They banned my super cheap heating! 😡 New Diesel heater hacks tested proving efficiency and safety 🤯

[@joshuadelisle]

I hope this video was helpful and here are some key feedback comments so far: They may not allow delivery of kerosene without an 'approved' tank. Reversing the direction of the air blower mod may give better results to improve efficiency. The heater was held at customs because of poor instructions which could cause someone to use it dangerously. The heater itself is fine. I'm looking forward to hearing your other thoughts on the subject and any ideas for future videos. Here are some links but there is also more in the description. Cheers J The Diesel heater I recomend getting: UK: amzn.to/3ZO5S57 USA: amzn.to/3ZQgBMr Diesel heater featured: UK: amzn.to/3TUGYgo USA: amzn.to/3TUGYgo Additional affiliate links: Power supply 240v - 12v 300w UK: amzn.to/3BhmvZO USA: amzn.to/3PaYJoc glow plug burner mesh: UK: amzn.to/4euSkQv USA: amzn.to/4erp1OH *The Ulefone Armour 24 tough phone* Coupon code ($30 off): GETA24FG UK: amzn.to/3H3LcLX USA: amzn.to/47IxrxG *The Ulefone Armor 18T tough phone with built in thermal camera* Coupon code ($30 off): GETA24FG UK: amzn.to/3TpDQd4 USA: amzn.to/3RGMTol *Ulefone Armor Pad 2 Rugged Tablet UK: amzn.to/48grLLe US: amzn.to/48kJEse *Ulefone Armour 24 specifications* IP68/IP69K, MIL-STD-810H（Water proof, drop proof and dust proof ） Versatile Light 6.78" FHD+ 120Hz 22000 mAh Mega Battery MediaTek Helio G96 Up to 24 GB + 256 GB Android 13 64 MP Wide-angle 64 MP Night Vision Two IR LEDs NFC + Google Pay IR Blaster Reverse Charging ***WIN*** for just £5 enter the raffle competitions here: raffall.com/joshuadelisle Note these raffles are sometimes to help charities and are to cover my costs to do honest reviews and to invest in making better content. Please do suggest a charity that you belive is in need that I can look into helping via the comment section of my videos. The winner of the raffle will be notified by Raffall or myself via email and on the Raffall website, never answer to messages on social media as they maybe scammers. *TOPDON TC001 thermal image camera(Android)*: UK: amzn.to/3uUVV8j USA: amzn.to/48gkXxf *TOPDON TC002 thermal image camera(IOS)*: UK: amzn.to/3uPbe2A USA: amzn.to/47LN3As *Air quality monitor*: UK: amzn.to/41f0Mxy USA: www.walmart.com/ip/Hofun-Air-Quality-Monitor-Professional-Detector-5-1-Indoor-Pollution-Tester-AQI-PM2-5-PM10-HCHO-Formaldehyde-TVOC-Particulate-Meter-Home-Car-Office-H/2335367669 *Recommended air quality monitor reviews*: ( @Outside-In ) Six Air Quality Monitor Comparisons PLUS a Tear-Down of a Fake Meter: kzbin.info/www/bejne/gWSQiqmeoJV2btEsi=Zqa6tTHEKoSoTxWP ( @electronicsNmore ) Home Air Quality Testing & Tips(Dust/Toxins/Allergies): kzbin.info/www/bejne/gqmzl55op9GorNEsi=pS94FOxduTFk76We *Oil Drum 205ltr/45gallon* (Note not all heating oil services will deliver without an official/approved tank, it's worth contacting your local supplier first): UK: amzn.to/41qr7J4

[@TomTwain]

The 'Covertment' has 'band' it because it's efficient... that's the real reason !

[@DatBoiOrly]

the tough phones are already unavailable :(

[@edwardfletcher7790]

Old denim jeans are a really great waste vege oil filter. Google it 👍😁

[@KeithOlson]

Here's another idea for (supplimental) heating: did you know that composting is exothermic--i.e. produces heat? Up to 70C at times. It occurred to me that if you buried a car radiator (or two or three) in a compost pile--mostly wood waste, as that takes the longest to break down, but any proper ratio of 'greens' to 'browns' would do--and pumped water through it to a second radiator set up with a fan in your shop, that would offset at least some of the fuel you would need to burn. If you look up 'Jean Pain compost heating', you'll find a *LOT* of info on what it is all about, including how to harvest the methane that composting produces as yet another energy source. Cheers!

[@rawdez_]

26:40 you can't talk about temperature in %, because the temperature scale is a relative scale, 0C is actually 273.15K. do the math again in K and you get another % value. or do it in F and get another %. so just never talk about % when you talk temperatures. its not applicable so its wrong. you should talk temperature difference instead in degrees.

[@marloweye9188]

The last two minutes summarizing the stupidity and irony of the modern world is just brilliant. Common sense and practical knowledge from a great man. Well done my friend

[@joshuadelisle]

You're very kind. I'm not always right so it's good to debate and research these things and not just nod with what's put in front of us. Cheers J

[@JohnnyPope]

Last two mins were absolutely mint - and true... sadly!

[@nnoo]

𝙵𝚞𝚗𝚔𝚝𝚑𝚎𝚐𝚘𝚟 𝚑𝚊𝚗𝚐𝚝𝚑𝚎𝚕𝚘𝚝

[@PatrykGlogowski]

Rememeber common sense is not so common any more

[@johnholmes5674]

I’ve been heat dependent on a wood burner for the last 7 yrs. £0 for the wood, and £0 spent on gas. £0 VAT for HMRC 💪🖕

[@permutatechguy]

From the US it is nice to hear people say this stuff over seas too!

[@upnorthandpersonal]

I'm off-grid here in Finland. I provide my own power: in summer this is easy, solar. In winter, heating is done with wood - with a very efficient wood gasification boiler. Power in winter is generated with a diesel generator running on biodiesel I make in summer from waste vegetable oil. Using wood is very common here, especially in the countryside. It's the cheapest fuel for this, and readily available everywhere. I produce mine (cut and split with electrical tools when I have excess solar power) from my own forest, turning a tree farm into a diverse forest.

[@joshuadelisle]

You're living the dream. Well done. Cheers J

[@Hellsong89]

Far as i understand in Finland waste vegetable oil is classed as dangerous waste and cannot legally be given to anyone except for kemira or other official recycling company glamorate.. that then burns it to produce power and heat, while charging the restaurant owner recycling fee... I presume you know some restaurant owner that didnt mind giving you it trough back door, or are you using that much vegetable oil that you can run it trough generator??

[@upnorthandpersonal]

@@Hellsong89 It's even allowed (in home use) to put it into plastic containers and put in mixed waste, and some wholesalers have cooking oil reception points. It's not very difficult to get hold of, and it's not like I need a lot of it: 100L goes a long way (only needed in November, December and January).

[@kaidokivitoa9127]

What about using wvo in central heating oil burner ? Im about to purchase central oil burner soon. I have already colected 2t of wvo:)

[@upnorthandpersonal]

@@kaidokivitoa9127 Likely works fine (like this Diesel heater does) - it's just easier for me to use wood as primary heating solution an WVO for electricity. Wood is just easier to deal with and abundant in my case.

[@mhoseinofi]

Absolutely loved your closing comments on this one. They don't want you to have it if they can't tax it! Write it in gold!

[@joshuadelisle]

Thank you. Lots more scepticism coming soon. Cheers J

[@dcocz3908]

Masterful closing comments for sure and what you said should ring in everyone's ears. Its about control and taxes nothing more

[@stevewarner9583]

Just thought that I would mention the exhaust angle, if anybody is looking at harvesting the heat from it. Whether using water, air, sand or whatever medium to extract the heat from the exhaust (which is a great idea)….. the water vapour within the exhaust gases will always condense inside the exhaust pipe. Therefore, it’s best to keep the exhaust pipe at a continuous downward angle, so that the water can escape….. outside, ideally. Also, maybe have a look for a smooth pipe oppose to the ribbed one that comes as standard. If you used some stainless plumbing pipe and fittings….. it will last forever!! Thanks for the videos, Joshua. Always engaging, interesting, and love the humour 🤪.

[@joshuadelisle]

Very good points. Cheers J

[@cannaroe1213]

In corrugated exhaust pipe at any angle there are always pockets for water to collect. It is constantly evaporating/vaporizing as more is condensing, in a process that turns gas to liquid to vapour in the exhaust. Even once shutdown, the pipe being 80°C will speed up evaporation of all of the carbonic acid, eventually. Its deliberately a large surface area/volume ratio. If you use a smooth pipe you do maximize the output of carbonic acid, but to paraphrase Dr Ian Malcolm "we were so busy asking whether or not we could, we forgot to ask ourselves if we should"

[@dangeary2134]

I wouldn’t let that water get outside, it’s going to be contaminated. Make the exhaust, going down, and if you do use the barrel for hot water, have the pipe continue downward, then up and out. At the bottom of the dip, put a tee pointed down to a small tank, with the opening of the pipe near the bottom. Put a float valve into the tank, and place it so there is always a few centimeters of water in the tank. That will keep exhaust from escaping through the tank. The float should activate a small pump that would go to the sewer when it gets full enough. The wastewater treatment plant can handle that stuff a whole lot better than your lawn or anywhere else that stuff would run, such as a stream or river. If you want to extract more heat into the water in your tank, put a finned pipe inside the tank for better heat extraction. BYW, put a vent on your heat tube close to the burner end, and turn the fan around to blow the air in, rather than pulling it out. It’ll make for better heat coming out of the heat tube, and it won’t be warming the exhaust pipe on its way out. It’s rather like the way modern furnaces work, by getting the most heat out of whatever you are pulling heat from.

[@Hupamaster]

Not only the condense water have to go “down stream”, the material holding/transporting it have to be resistant to corrosion in the long term.

[@sprint48219]

The exhaust gas condensate is rather acidic so it is hard on many materials that's what we found out around here with the condensing fuel oil furnaces it was actually rotting out the heat exchangers but they were considerably thinner and cheaper than the ones these are using

[@brianflanders6543]

When you run the exhaust through a radiator to super-cool it and pull more heat out of it the condensed liquid it produces has a very high probability of becoming acidic, so you may want to keep an eye on the radiator you've added for rusting out faster than expected.

[@iplugnplay3366]

Indeed, it is easier to heat a medium from low to high, to gradually heat it up, if you start at the hot side it heats up fast but then can't heat anymore because the air is already hotter than the exhaust. Also the flow needs to be higher than the flow of the exhaust, it would be fun to see the flows on that.

[@RealGengarTV]

Yes. Might want to opt for an aluminium radiator since aluminium is more resistant to acid corrosion vise. Just dont get salt water on it; aluminium hate that

[@youvebeenspooked]

what the aluminum do with the salty water?@@RealGengarTV

[@RealGengarTV]

@@youvebeenspooked i don't know.. it's just salty

[@luminatrixfanfiction]

@@RealGengarTV I would have suggested Zinc Chromate coating to the radiator but upon closer look, it wouldn't be a good idea since it emits toxic chromium fumes upon heating.

[@wannabejeeper]

You should have that little fan blowing in instead of sucking out. When trying to exchange heat in that way, it's best to have the two medias (exhaust gas, and cooling air) going opposite directions. Also, not sure if you have already or not, but make sure your long run of exhaust has a slope out so the moisture condensing will run out instead of staying in there.

[@Styrola]

And blowing the air instead of sucking it will create turbulent flow instead of linear which should be more effective.

[@OneMoreTank]

And the poor little fan will run cooler and probably last longer

[@josholin31]

Carbon monoxide floats in air while carbon dioxide sinks. Idk if sloping it in either direction is safe... but then again, it is forced air. if I had to choose though, I'd slope it downwards from the source. Then carbon dioxide would be the main gas to worry about coming back in (especially after turning it off.) And at least that gas is detectable even without assistance. - but then we'd have to make sure there is always a fan cooling the exhaust. The slope would make heat rise towards the heater.

[@zynaps666]

Unless it's balanced either side? More of a question really. @@Styrola

[@SloppyPuppy]

The idea is that negative pressure will make it less efficient right? Having a channel to flow will be efficient because entropy will lead it?

[@corycarlson8712]

As klauss schuab said and the WEF is enforcing.... "you will own nothing and be happy".

[@lordcharfield]

@@corycarlson8712 Spot on! 👏👏👏

[@AscendedMaster11111]

@@corycarlson8712 good thing Klauss is still a mortal human like the rest of us. Would be a shame the day he faces God, wouldn't it? 🤔

[@superhuber]

@@AscendedMaster11111after him will come next and next programmed „shadow” persons that will push plan forward with the accompaniment of useful idiots.

[@zambotv8150]

Top tip for using WVO... Mix it with 20% petrol then leave it for a couple of days before you filter it. The petrol acts as a solvent and 90% of the crude drops to the bottom of the tank you're storing it in. Great video by the way

[@joshuadelisle]

Interesting idea. I'll possibly have a look at that. Cheers J

[@AndreaDingbatt]

​​@@joshuadelisleI hope that you don't mind me, chipping in,,, but this works!!❤ Really!!

[@Dolmar-Rick]

Yeah, but you are adding to the cost again. it's going to cancel the saving out using petrol🤷🏻‍♂️. Unless you can filter petrol again and use it for something?😂... faff springs to mind

[@joshuadelisle]

@@Dolmar-Rick good point...

[@joey_f4ke238]

​@@Dolmar-Rick If it's mixed with gasoline then you can use it as is, so instead of mixing with kerosene or diesel you just use it mixed with 10-20% petrol and that should make it thin enough and burn easier. Seen plenty guys running veg oil mixed with only 10% gasoline on diesel cars, not sure the best ratio for these heaters but it should be similar

[@dead2thewind]

If you didn't already; counter flowing the fluid over the exhaust allows for more efficient extraction. Allow the colder side of the exhaust to warm the air and have the air flow over hotter and hotter sections of the exhaust, so the temperature difference is high across the box section.

[@ericl5973]

I was just about to post about counter current cooling.

[@simontillson482]

Great point. He could just turn the fan over and make it blow into the cooler end. Must admit, I wondered where the air was coming in from… anyway, wherever it was, that should work, and as you say, it increases the temperature difference giving better heat extraction over the whole length.

[@Boz1211111]

Just came here to write this. Would be cool if he could measure and post update

[@seroni17]

Plus you won't have to worry about the fan melting from the heat that way as well.@@simontillson482

[@user-ei3fx2vj2c]

Why not use the fan on the heater to pre heat the air going into the heater? I have seen a video of it and that guy picked up 20-30 degrees c on the outlet temp of the heater and no fan needed.

[@mststgt]

Twenty years ago, I ran my Diesel VW Bus on pure vegetable oil - there was a heated Bosch Diesel filter that helped a lot. I'd also recommend using a water separator in the fuel line, as frying oil often contains some water. And maybe you could try using small pebbles instead of sand, then you could perhaps use is as a thermal mass or blow air through them to extract heat.

[@joshuadelisle]

Excellent ideas worth trying. Cheers J

[@Brainchild110]

Surely water in the fuel is much less of an issue in a burner like this than in a piston engine? I'm honestly asking. It sounds fascinating.

[@jimbotron70]

​@@Brainchild110Water poisons the combustion, never a good idea to have it on diesel.

[@Princess_Paula_T.]

You could also lengthen the exhaust 3 or 4 times around your building inside.

[@citylockapolytechnikeyllcc7936]

"Add vents to distribute the exhaust, so it does not concentrate in one part of the garage" just kidding DONT DO THAT!@@Princess_Paula_T.

[@equipeoutdoors]

This was one of the most superb, well articulated videos I’ve seen yet on the heaters. Flipping awesome!!! Absolutely brilliant - he’s like the Colin furze of keeping us warm!

[@joshuadelisle]

Thank you so much. Hopefully I'll show you how to get electricity for cheap next. Cheers J

[@elchupacabra1193]

If you want to extract even more energy out of this system, try putting insulation between the exhaust pipe and the wall. Since the wall goes to the outside, it is going to be cooler and will essentially be a heat sink. By insulating it you have more trapped thermal energy to siphon off which will increase your efficiency specifically on the draw of the exhaust.

[@akulkis]

Insulate the wall, not the exhaust pipe. Better solution is to add enough pipe onto the exhaust pipe to create a heat exchanger so as to extract as much heat as possible (i.e. exhaust reaches close to room temperature) BEFORE it goes into the wall. Or in other words, run the exhaust pipe into a radiator, which then has a pipe on the outlet going to the wall and then outside.

[@monkeysuncle2816]

@@akulkis isn't that what he's already done with the 8' long exhaust running along the inside of the wall?

[@akulkis]

@@monkeysuncle2816 Yeah. I see now that I misread the post I was replying to.

[@phoephoe795]

Also add a layer of reflective foil to the top of the insulation- this will reflect infrared heat from the pipe back into the room.

[@anonamouse5917]

Another variation on the forced air through the shroud technique would be to make the shroud slightly larger than the diameter of the exhaust pipe and use the fan to PUSH the air through. This would increase the velocity of the air around the pipe and therefore give a larger temp differential, and spare the fan from the hottest air. I'm definitely getting one of these systems when I buy my house.

[@wouterke9871]

Larger temperature differential means higher efficiency where the transfer of heated air occurs.

[@BirgitWallmuller]

I had the same idea pushing the air should be the better option. But my main reasoning is different - it is the heat differential. If you push the air(or suck out on the heater side), then the colder ambient air meets the already cooled exhaust pipe there and while it travels to the heater side it warms up on an increasingly hot exhaust pipe. That means on an sufficiently long exhaust pipe the exhaust gas temperature can reach almost ambient temperature inside. A greater airflow or increased surface area on the exhaust pipe would improve too (or reach that result earlier). Probably taking the idea from the output pipe - a pipe to take in the air close from the floor, which should be cooler should be an improvement too,

[@robcooper9265]

Hi, you can increase the efficiency of the ducted fan solution by reversing the flow of the fan. I.e. push colder air in at the point furthest away from the heater. This keeps a more constant temperature differential between the air and the exhaust pipe temperature and thus better heat exchange.

[@ColinWoodpeckerUK]

Yes, I thought the same. (Just edited this because I reread what I'd written and realised I was previously talking gibberish!) But, It's called the principle of contra flow. When you want two fluids to exchange the most heat in the most efficient way, put the cold inlet of secondary fluid (could be liquid or gas) into the heat exchanger at the cold end of the primary fluid. That way the cooler primary can still give up heat to the colder secondary) The computer fan wouldn't enjoy being so close to the 200•C end of the Exhaust pipe either, so reversing the polarity of the fan and blowing air in rather than moving it to the other end of your shroud and sucking the air out will reverse the flow like you say. That's the way forward... 🤔

[@gerrysimpson3759]

Came to the comments to say the same thing.... bump

[@jac540]

Definitely this. Might be better for the fan as well, because it's way cooler.

[@larryseibold4287]

Correct on the counter flow. Also, pushing room air in is essential for the life of the server fan by having cool vs hot gas cooking the windings. @@ColinWoodpeckerUK

[@SilverHolland]

That's just amazing. But with his box mounted to the wall, that might not work out as well as it could.

[@Jetiko27]

Imagine starting a fire in your house and being surprised it filled up with smoke. It's like some people never saw the back of a running car.

[@techseth]

Tesla owners, that’s your answer lol Dear other commenters: Don’t take it politically.

[@Henry-sv3wv]

idiots making things illegal, a classic ^.^

[@Kasperbjerby]

​@@techsethI know it's a joke, but driving electric does not equal stupidity 🤗

[@robertemmett906]

People have suffocated in tents from burning things in there and going to sleep. People think the government will protect them from all danger and the doctors will cure it all.

[@techseth]

@@Kasperbjerby not saying that. Some people are super use to electric heaters, so I can understand how someone may forget to route the exhaust outside. Just like how someone who has driven Tesla all their lives may forget a gas vehicle should not run inside a garage or forget to turn it off. It’s happened before, it’s just not accustom to them.

[@2OO_OK]

Please turn the fan around so it blows air into the duct. This brings the cooler room air in at the cooler end of the exhaust pipe and more total heat will be transferred. Also called a counter flow heat exchanger.

[@tommiller1315]

Alternatively, have the fan extracting at the hot end - although your idea keeps the fan cooler, thus extending its life due to the fan keeping cool while in use 🙂

[@kennethelwell8574]

Also see an opportunity to direct this heat to a second "zone" of the workshop adding comfort to where you are working.

[@filopat67]

This! Also having aluminium fins attached to the exhaust pipe would make heat transfer more efficient.

[@kmack747]

All proper ideas having the fan pushing the air into the exchanger is the best and matching the air flow will help. Having fins to promote more exchange would help.

[@fenceup07944931177]

Yes the counter flow makes sense.

[@mutantthegreat7963]

Quick note about fuel pumps.. - they should be mounted vertically due to their self-lubricating nature. 45 degrees is a compromise but horizontal is a bad idea. Air bubbles accumulate in the top of the pump and eventually the top side of the piston receives no lubrication.

[@Validole]

A few counterpoint to your point about central energy production (without invalidating your points) 1. Those large power plants achieve much greater combustion efficiency. 2. Decent generating stations use their waste heat for district heating. 3. Transporting the heating oil takes fuel in itself. 4. Electricity generation is in the middle of a sea change: as the grid gets greener, so does energy used in your home. (Note: that's a point in favour of heat pumps and EVs, etc; not straight electric heating which is simply stupid, leading to the next point) 5. You can get 3 units of heat for 1 unit of electric energy using a heat pump. Works just as well with locally produced energy, mind you (solar, micro hydro). 6. Wood stove using sustainably sourced fuel, while inefficient, is fine in a truly off-grid application. It is not fine in suburban or dense residential areas: the exhaust particulates don't have enough free air mass to dilute to non-harmful levels. And we have too many people in the world for everybody to homestead. Same argument against heating oil, with the added issue of non-sustainably sourced resource use. Just information: Transformers are a small part of the grid losses, about twice as much as the losses in HV transmission lines. About half of the total losses is in the low voltage distribution (due to the higher current). HVDC lines are a solution for reducing losses in long backhauls, but the low voltage distribution system is probably here to stay for the foreseeable future. Total losses for the grid are about 5-6% in the US, China and EU average, 8% for UK (smaller grid, about average for the world) , up to tens of percents for small grids. Which could be argued to be another point in favor of centralized production, to a point. (data: World Bank indicator “EG.ELC.LOSS.ZS“)

[@joshuadelisle]

All very good points. I'll talk about those in my next video. I'm generating electricity at home using sustainable wood gasification. Cheers J

[@mw01908]

How does the difference in voltage effect losses 110V USA vs 220 V Europe ?

[@Multiv3rs]

This channel is a hidden gem that I am absolutely so glad I found

[@joshuadelisle]

Thank you so much. Lots more to come. Cheers J

[@jonathanpalmer155]

A massive safety aspect you missed on the Hicalory heater. The power adapter mains lead may not have a fuse, but it does have a plug where the Earth pin is - wrongly - sheathed. Chinese factories do get confused about the function of the Earth in a mains plug. The Earth pin should be the first pin to make contact and the last to disconnect: hence it being the longest pin. That way you are protected for the longest time. Similarly, the Earth wire inside the plug should have the longest length of 'slack' wire so that if the wires work loose, the Earth will still be connected - and the user protected - even if Live and Neutral wires break free. It's the Earth pin that pushes the safety shutters aside in the mains socket, so that the Earth pin connects first and disconnects last to the Earth contacts immediately inside the socket. Whereas the Live and Neutral contacts are recessed deeper inside. With the Earth pin sheathed, the Earth will be insulated as the Earth pin cannot touch the socket's Earth contacts - the device will not be Earthed... Perhaps you might like to notify H M Customs and the retailer about the seriousness of that anomaly.

[@dancarter482]

I really hope more than three people read that!

[@JanElBrabo]

wow, i'm glad i read the comments, never thought of this before. i'll keep the ground wire longest from now on

[@nlo114]

Perhaps Hcal should make the Earth pin all-plastic. The power supply brick label indicates that it is double-insulated, so should not be earthed. ( Going by general standards, the label is probably decorative )

[@jonathanpalmer155]

It isn't that they should make it plastic, it's having the isolation on a metal Earth pin in the first place. This device is metal cased and therefore needs an Eatth. The problem is that they are confused why there is shielding there in the first place.

[@paulwyleciol3459]

Walter: "These are not the ones that built the railrode here, Dude!"

[@GlennBrockett]

For your air heat exchanger, run the air the other direction. Put the cooler air next to the cooler pipe. Your exhausted gasses will be cooler and you will scavenge more heat from the pipe.

[@PawelTylinski]

Agree! To add, it is called Counter-current Exchange and it can have almost 100% efficiency en.wikipedia.org/wiki/Countercurrent_exchange

[@joshuadelisle]

So you suggest reversing the fan I installed? Cheers J

[@phipli]

​@@joshuadelisleyes, as well as the efficiency improvement, as per my other comment a moment ago, it will improve the fan life because it will run cooler.

[@TomTwain]

@GlennBrockett Sound like a good idea... a simple mod... and the heated air will vent through the holes in the top of the cowling.

[@phipli]

Oh, what is the outlet arrangement? If you haven't made another opening, make one at the end close to the burner. Make it quite small, so there is a positive pressure in the duct. It probably won't make a practical difference, but it might reduce the chance of exhaust leaks into your shed, because the pressure gradient will be slightly harder to overcome than just going out the silencer... With a computer fan the difference probably isn't enough to have a big impact though. But meh. Why not.

[@juustis9779]

Love from cold lapland, I've been on the fence since your first heater video but it seems that this absolutely is the most convenient way to heat my outside workshop. Many thanks for the continuing morale boost for becoming a self sufficient "guy who builds things".

[@joshuadelisle]

Thank you. These cheap Diesel heaters are great for the money and more importantly the fact they are easy to maintain/service and install on your own. It's important though to take extra precautions to make sure it's safe, so things like CO2 and fire alarms are a must. Cheers J

[@garthland]

I'm still rocking a flip phone here in the states.My boss has the 'Cat' smartphone and it's a tank,watching you pound nails with the screen on that thing was the coolest thing I've seen in a tick!!

[@joshuadelisle]

It's a pretty awesome phone. Definitely my favorite I've ever owned. Cheers J

[@TannerBugatti]

Has anyone mentioned Afterburner for these diesel heaters? It's a project by a guy in Australia and he sells PCBs that turn these heaters into real thermostats which start and stop the heater to keep your set temperature and a ton of other features like monitoring fuel usage.

[@466rudy6]

I can't believe these don't already have a thermostat.

[@fouzaialaa7962]

can you tell me the name of his channel or the video title ?

[@joshuadelisle]

They've been in touch with me and sending one for review. Cheers J

[@flack3]

​@@466rudy6vevor new bluetooth heater does have a thermostat

[@nofluxgiven]

​@@joshuadelislesounds great. Is the recommended heater in your pinned post from Amazon compatible? Or does it need a different ECU?

[@THE-X-Force]

I don't have the words to express how much I love and appreciate this video. All I can say is thank you, Joshua. ☮ from NY.

[@SaintsofAvalon]

Honestly - over the past 3 or 4 year's there has been some nightmare installs shown on here . From people not understanding the need to keep the exhaust and inlet pipes running down hill to the orientation of the diesel pump being from upside down to horizontal . The instructions that come with them are pretty clear and straight forward to understand . People are the problem not the machine .

[@ilpi7216]

They should ban stupid people /s

[@carlossilva3122]

But seriously speaking, the long term durability of this system when cooling the exhaust is questionable. Many heating systems actually avoid running below the exhaust dew point, as the resulting corrosive condensate will eat away the metal components, unless they are made of a suitable corrosion resistant material.

[@SaintsofAvalon]

@@carlossilva3122 The supplied exhaust is usually left as is , it's the interconected heat echangers used that would see the corrosion . However as most choose domestic radiators with wall thickness many times that of a car silencer that can last a decade . Your taking in decades before any degredation of the steel occurs .

[@nodrinkingproblemhere9095]

Last week my neighbour asked me to help remove car battery terminal. He could not figure it out yet somehow he managed to get drivers license and a job.

[@SaintsofAvalon]

@@nodrinkingproblemhere9095 Some people are just not meant for manual hands on work - Brother-in-law pulled his kids around 2 mile on a sledge to my house , his face was red and the sweat was pouring from him - he had the rope tied on to the back and had dragged it backwards with the skid ends digging in all the way . He bought a new bed and used 6" nails to attach the head board , didn't bother looking at the other end for the 2 screw fixings as he'd just placed the base down the wrong way around even though he'd undone the screws on the old bed to take it apart ! lol . Yet he was the manager of a national home improvement store ? .

[@TrueHelpTV]

I'm blown away that nobody is talking about him using a cellphone as a hammer for half an hour

[@Innomen]

Right? XD

[@pianogal853]

🤣🤣

[@ant8241]

That did make me chuckle.... a lot

[@himarei]

And using to most fragile part of it as well, the screen. Would have used the side or the back, there is clearly damage to the LCD even if the glass isn't cracked.

[@lothar654]

Funny to see that around 9:00 minutes you see multiple hammers

[@AmitGupta-ki4bt]

Great video. I wanted to make a suggestion for the exhaust. I recommend running the exhaust through a water type baseboard heater. These heaters have a pipe for the water to run through and I think it would work perfectly to exhaust the gases outside. Those heaters have fins which allow for more surface area to transfer the heat more effectively.

[@TheNightwalker247]

Plus you could use the bottom tap of the heater to let the water out that is gonna be there from the exhaust fumes

[@bodhiliainc.8665]

Love it. My unasked for two bits: A larger diameter exhaust pipe, to reduce flow restriction over longer lengths with some sort of addition to increase hot gas contact with heat transferring surfaces. Sand battery has a nice set of benefits for a shop such as yours for overall comfort and economy once you are managing the heaters on, off, and hz with an esp32 controller that knows when to expect you and when you are about to close up for the night.

[@DriveTuneMedia]

Big diameter exhaust, less flow restriction **and** more time in the exhaust so more time for heat to be lost into the room. Perhaps use aluminum for the pipe as good heat conductor. Stainless steel not so good.

[@MsUltrafox]

That fan is a very good way of extracting heat from that pipe. The only thing I can think of to get just a little more heat from that pipe is with heat exchange fins around the pipe to have a higher surface-to-air ratio. Just make sure that the fins run with the air flow and not parallel. You might need an extra fan doing that to get the needed airflow.

[@kevingossage5304]

I haven’t read all the comments but the most effective way to recover heat from airflow (exhaust) is for the outside to be finned like an air cooled motor. This gives a much greater surface area to extract heat. Alternatively wrap copper tubing around the exhaust and run water through it to an automotive radiator with fan attached. Love your work, cheers.

[@Oissir]

Excellent presentation from a highly intelligent individual, an excellent presenter is able to highlight the necessities without the b/s no one cares about, which inspires me & motivates to think outside the square. Well done mate, keep it up 👍

[@joshuadelisle]

Thank you. I certainly don't get it 100% right all the time. I already have some comments that make me question a few of my previous thoughts but that's good. It's always good to have pre conceived ideas and beliefs tested so you can find the truth. Cheers J

[@AndreaDingbatt]

​@@joshuadelisleYou are doing a Fantastic job , Thank You!! Best Wishes and Kindest Regards,. XxX.

[@Oissir]

you're welcome @@joshuadelisle

[@madscientist15808]

As a suggestion, you could replace the exhaust pipe with a finned tube radiator. Due to the increased surface area you will extract much more heat. Also put the exhaust at an angle to make sure that any water can drip out and doesn't collect in the pipe when extracting the heat. BTW, I like the idea with the fan, but how about replacing it with a 230-volt fan? They are more powerful and, considering the losses in the power supply, probably more efficient than a 12-volt one.

[@marbella-elviria]

I disagree with the use of AC mains fans, they are more expensive but less efficient than PC Fans. I run a temperature and humidity control for my inverters on 12V, the switch power supply is 98% efficient and the brushless DC Motors I guess 90%

[@EsotericArctos]

DC Fans are much more efficient for same air flow, can run off battery in the event of a power failure and are highly controllable compared to most AC or shaded pole fans. You don't need super powerful fans, you need fans that can provide the airflow. There is a difference between airflow and "powerful". An 80% efficient power supply, which is well and truly within possibility even for cheap chineseum, will still be more efficient than a shaded pole AC fan.

[@TheDaztheraz]

Does the condensing exhaust not cause risk of it corroding?

[@l3eaver]

Your sand battery is likely losing alot of retained heat into the exterior wall that its mounted to. Im of firm belief , … that it would be warmer if it was a couple inches off the wall. It would also retain the heat for a longer duration

[@anthonyfanelli5122]

On the fan front, wouldn't a repurposed stove fan that is powered by heat be a better option

[@Adam-wr2rg]

That's an EDUCATIONAL CONTENT. With the winter outside and the fronts in Europe moving west, I'm so thankful for this vid, it just checked so many preparedness boxes that I have a solution for and don't have to literally worry anymore.

[@joshuadelisle]

Thank you so much. The next video coming will be even better as I explore generating cheap electricity. Cheers J

[@0cch10]

Glad hearing someone mentioning the bio mass "green energy" scandal ! Great video 👌

[@joshuadelisle]

If it doesn't make sense then foul play is at the heart is my thought on most subjects. Cheers J

[@_Nobody_Special]

@@joshuadelisle If the government have their hands in it you can safely assume boots are being filled and as an added benefit the whole thing is handled as incompetently as possible.

[@AdamsWorlds]

Well said at the end! Our country is becoming a joke, you can't even fish, hunt, live off the land like a hermit without huge costs. I think its rather sad that someone if they choose to can't live truly free in a shack some place or even do it recreationally from time to time without mega amounts of money. I know we only have so much land and resources but i feel not many would truly want to live and do this kinda of stuff anyway. People dont like effort these days and getting stuck in. Things like fishing, burning own wood, heck even using the river (seriously look up boat rules and licences) are good examples of how bad things are.

[@joshuadelisle]

Yet to do those things is the most green thing you can do to help the environment yet we're not allowed. If it doesn't make sense foul play is at the heart. Cheers J

[@brandonsheffield9873]

Canoes don't require a license, along with a gas tank and a Briggs and Stratton motor with an propeller shaft. However, I do fully understand what your saying. Plus you can't fit a family of 4 on a single canoe along with all your supplies, survival gear and clothes.

[@bongomatteo5224]

I dont usually sub because of 1 video, but your logical and practical approach, effective communication skills and indomitable humour make it an easy choice. Absolutely useful and informative video, thanks!!

[@joshuadelisle]

Thank you so much. Lots more to come soon. Cheers J

[@NotAnonymousNo80014]

@@joshuadelisle Thumbnail is top tier also on this one.

[@StevenPaulFrancen]

This is the best phone advertisement ever!

[@rfitzgerald2004]

A friend of mine has got the same banned model and he received an email from his supplier to say that it must be disposed of or destroyed, not because there was anything wrong with it, but because the user guide specifically didn't contain a particular warning phrase.

[@robertemmett906]

I really hope he laughed and ignored that email.

[@bobh9882]

Just a side note. The sand battery would help maintain a longer heating period which should require less time overall to reach a better working temp on the next startup. Also the sand looked wet ! Dry sand is better which would be achieved with longer run times as the continued heat slowly removes all the moisture. The test should have really been over a couple of weeks and used sand that had been sieved / graded. As for using a radiator (yes that again LOL) The same thing but using a closed loop and small 12 volt pump to circulate the water. Water head should be taken into account based on the head flow of any pump. As an avid "upcycler" myself I use the exhaust from the house ran through a 6 inch sewer pipe just 2 foot under the ground across to my garage. Currently don't filter that air as there are enough air leaks to remove almost all the harmful effects to an acceptable level. Here in Canada I often see as low as minus 40 on some days in winter which had made the garage unusable. Now I have enough heat to be able to use it most days for a period of time. It also helps prevent such as latex paints from going off due to extreme cold. Yes I need to improve it so this vid gave me some more ideas.

[@propushsport6561]

Hi, i use the 8kw, i only heve the exhaust outside. And i run on diesel. I have 50m2 to heat. I took the cover off so i can see clearly whan i need to fill it again. 2.5l per day. The heather has been on for weeks in a row and no problems, 22c, wonderful. I have not replaced the ful hoses eiter, but i have added a fuel filter. Nothing els. No maintenance nothing . For 3 years now. Great heater, nothing wrong with it. I like your videos fun and educational. Holland Ewald.

[@thereservedarmadillo]

Van lifer here with a eberspacher and log burner. That sign off was absolutely gold, so glad I watched to the end. Massive thanks, great content.

[@Brainchild110]

Try adding larger bore lengths of pipe to the exhaust, only growing in size as you go a long the length. This will slow down the exhaust gas and give it more surface area to transfer the heat better. You can also use clean edged stuff to make the flow more laminar and help exhaust condensation flow out. I was hoping you were going to turn the oil drum into a sand battery. Ya big tease... Definitely looking forward to a video on used cooking oil filtering as I'm doing that myself. Used coffee grounds and coffee filters are my current secret sauce (along with sand).

[@joshuadelisle]

Thank you. I was tempted to do that but I ran out of time for this one. Maybe for a future video. Cheers J

[@RushCampAndPrep]

The one issue with this is that you GREATLY reduce the amount of exhaust gasses that come into contact with the side walls of the exhaust gas exponentially as you make the pipe wider. That actually reduced the amount of thermal transfer you get.

[@Jonathan_Doe_]

Sand battery on the hot air output (not the exhaust) is a shout, just a case of working out what bore to make the coil through the sand to avoid excess back pressure.

[@RushCampAndPrep]

@@Jonathan_Doe_ a sand battery on the output side would completely negate the point of him using a decent heater. He mentioned in the video that he has a wood heater, but he uses the diesel heater to heat up his shop quickly and have it warm when he gets out there . There . If you added a thermal battery to the outlet side that would increase the amount of time that it takes to heat up the shop in the morning.

[@diabolicalartificer]

Completely agree about using wood burners, I've lived in boats, benders & on the road in various motors, always had a burner. However, you do need to be near a wood, getting enough wood for a day takes a lot of time & energy. Most folk however buy the stuff, & it ain't cheap, about £100+ for a "ton" bag. There are ways top get cheap wood, again, it takes time. Thanks for this video & all your time & effort.

[@joshuadelisle]

Your right. Cheap generally means a lot of work and convenience means expensive because some one puts in the work for you. Cheers J

[@diabolicalartificer]

@@joshuadelisle Aye, but as you say if your shifting for yourself you have more autonomy.

[@tuoppi42]

Sand battery benefits come from the ability to be heated up to hundreds of degrees of C without building up pressure or boiling. High temperature difference from the source to the storage -> high heat flow -> effective heat transfer from high temperature storage. I think the system designed in Finland uses cheap hours of electric grid to "fill up", then provides hot water from the heat storage - no idea what kind of heat exchanger they have to avoid overheating the water.

[@richardhouston7277]

Love your content, your enthusiasm and energy. Very knowledgeable and informative. I no longer work due to my incapacity, mental illness. I love seeing things being made. I used to work in injection moulding, and tool making, got some understanding of some manufacturing process. Take care Joshua all the best to you and your family. Great content.

[@joshuadelisle]

Thank you so much. That's very kind of you. I pray that you can recover and find your strength. Have a blessed Christmas. Cheers J

[@charvais]

Excellent video again! Love your honesty. One observation is that kerosene & diesel are not the same thing ! Diesel has a higher energy density that kerosene, also is thicker in viscosity and higher boiling temperature. Therefore they are classed as heating oil #1(kerosene) diesel fuel oil, & #2 (diesel) diesel fuel oil or 28 second (for kerosene) & 35 second (diesel {red}) fuel oil. Referring to its Viscosity.

[@joshuadelisle]

Yes. The good thing is that kerosene burns very clean and isn't affected by freezing temperatures so much like diesel is so an outside tank will be fine. However it's common for the diesel to gum up in trucks when the temperature drops. Cheers J

[@DaHoodedBandit]

I think the most efficient way of getting heat out of the exhaust would be to essentially submerge the tube in a water or antifreeze bath and then have a pump running to circulate the liquid through a radiator and then a fan to disperse the heat.

[@IDv8I]

Hi from Canada Joshua, so you lot are the reason my wood is so expensive, lol. I started watching do-it-yourself videos, and you popped up, and I'm shocked you don't have more subs. Great information and well explained. Thank you.

[@joshuadelisle]

You're very kind thank you. Yes also any wood chips are taken and no longer available to purchase over heat for the same reason. Cheers J

[@MCscarfacematt]

it would be best if you got cracking on one of these before trudeau bans them here, I've got two one for my shed/shop and one for the house. this year ill be trying a different fuel tank idea for more capacity 25L jerry cans with a hole drilled in the cap for the standpipe fuel pick up to quintuple my capacity and because with the tank above the unit I'm pretty sure I've leaked more than I burned last year. I just stole a cap off an old can to seal it to refill the can come back transfer to the cap with the standpipe and its good to go for another week

[@jackykoning]

One thing that sadly might be wrong here is the direction of your fan. You moved the air from hot to cold which could result in the cold side getting hotter and the hot side getting colder. You want a gradual increase in temperature so move the colder air over the colder area and gradually increase it by moving to a hotter and hotter area. This greatly increases efficiency. In chemistry you always have the cold water at the bottom of the condenser and the water flows from bottom to top where the hot product comes from the top to the bottom. My teacher hammered that in. That said its air... air isn't the best way to remove or add heat. You need a massive amount of surface area. For example my radiator at home I have 7 2000 rpm 14CM fans running full speed when the temperature rises above 25 celcius. It takes 15 minutes for it to cool down the water below 25c when its just sitting there so after I turned off the knob. That is really inefficient and I am in need of a better solution. Perhaps just reducing the flow rate.

[@frankverhoeven8027]

Yes, the direction of the fan AND a larger surface to exchange the heat over… “spiral finned tubing” helps!

[@Xeit]

Ending just hits with logic like you hit the nail with the phone. It was amazing video, thank you.

[@joshuadelisle]

Thank you so much. Cheers J

[@BalticHomesteaders]

I suspect that wet sand would have taken a lot of the energy out in the process of drying it before getting better results, I think it’s called evaporative cooling. I’m going to start playing around with sand batteries over winter to work out how we might utilise them in our place. Yes to self sufficiency! Looking forward to the steam turbine stuff :)

[@joshuadelisle]

That's a very good point. Cheers J

[@user-lz2bn6eo1j]

Don't forget usually in coldet temperatures the humidity is also lower. I'm not talking about the rain seasons like late spring or early fall. Just saying pretty much winter. The heat travels to colder areas. As the water evaporates if it is inside the heat will be there plus maybe needed humidity.

[@BalticHomesteaders]

@@user-lz2bn6eo1j He’s in the Uk (where I’m from originally). I know what you mean but winters there are far from dry and never cold enough to lower humidity like it does here (for example).

[@Splatpope]

that's probably why they mentioned pumping steam through the sand, I would guess that the water/steam stays somewhat pressurized in a closed loop, negating the problems of evaporation (it can be condensed at some other point and the latent heat recuperated through a heat exchanged or something, heat pump style)

[@brewst43]

someone who cares more about the right answer than the answer they want. this is a breath of fresh air. no pun intended.

[@robinbollens2276]

lol I think this is the best add for a tough phone I have ever seen 😂

[@davidbird4021]

Your exhaust pipe should have been a "finned pipe" where the fins radiate the heat better from the exhaust port heat pipe, but then you may need more fans to extract the heat into the room.

[@ObservationofLimits]

Honestly, if he could find an old radiator (ones that have metal caps rather than plastic) that'd be the best bang for his buck. And replacing the drain bung with a small leg and an auto drain (the kinds you can find on separators on air pressure regulators) would deal with the condensate.

[@77gravity]

Radiator fins on the exhaust pipe (where it runs inside the tunnel/housing) will create more heat transfer to the air.

[@joshuadelisle]

How would you suggest making/fitting them to the exhaust to get maximum heat conductivity? Cheers J

[@77gravity]

@@joshuadelisle Brazing or soldering would work well. They could either be made as discs (donuts) and slid on from one end, or as half-donuts so they can be slid on across the pipe. The final effect would look like the cooling fins on a Nambu type 99 machine gun, but maybe not so close together. If they are a close fit, they don't even need the soldering - just be tight enough to be in contact with the tube. If slid on slightly loose, then you could put a small kink in each disc so it deforms and grips the tube.

[@Old_Man_Pete]

Jubilee clips and thermal paste or thermal pads would be a good start.

[@race8427]

Great idea, perhaps 1 or more radiant fin tube copper hydronic piping, with condensate recovery. Obviously fin tube diameter would need to be sized to meet exhaust requirements. An industrial SS fin tube would be ideal. Nice job editing btw. Political bent A+

[@citylockapolytechnikeyllcc7936]

next time at the heating supply store, look at a hot water baseboard radiator.. similar idea... exhaust gas is hot, that heat radiates to the room via fins that surround it.... as the temp goes down in the exhaust from this radiation, problems may arise in the efficiency of getting the poisenous gasses to flow to the outside.... buildup in the pipe might be an issue. Just sposing, I don't know, I am a locksmith, not an HVAC Tech ! Maybe ASK an expert...... that would actually make a good video #3, and fill your bank at the same time.... kaching plus entertainment! Can not throw a rock at that!

[@plasticjock1090]

That poor phone... It's outrageous that Ulefone is literally a hammer..

[@SlickMaximus]

Definitely thinking outside the box.

[@DKlegacyRS]

I have had a Ulefone armor 11 for 3 years. I love it. Super Tough. As a mechanic it has no problem with oil, coolant or metal dust sticking too the speaker. Good camera too.

[@vectravi2008]

Just a note on efficiency. If you try to recover too much heat from the exhaust you will drop the temperature below the dew point of the fuel. This will cause a build up of soot like deposits in the exhaust. In time this build up will reduce the ability of the unit to clear the exhaust resulting in poor combustion within the burner and a serious reduction in efficiency. So, to be efficient and safe check the dew point temperature of the fuel you use and allow an extra 10% margin and this figure should be the temperature of the flue gas leaving the exhaust pipe. Your system will then be operating at 100% design efficiency.

[@josephgauthier5018]

try having the air cooling in a counter flow configuration. you should extract more heat that way. all of the most efficient heat exchange systems use counter flow in one way or another edit: seems im not the only person to suggest this 😅

[@joshuadelisle]

Yes, thank you. I think of the comments as a voting system so I'll include it for the next video. Cheers J

[@zerumsum1640]

@@joshuadelisle Here's the reason behind counterflow being more effective: When heating or cooling something, the transfer of heat depends on the temperature difference. The more heat in the heat source, the quicker it will flow to what is being heated. think of it like a trough with a dam in the middle. the dam is the ambient temperature, and the water level being held back is the heat source temperature. the higher the water is above the top of the dam, the more water can flow. by having the exhaust going one way and having the exhaust cooling (heat exchanger air, whatever ya wanna call it) going backwards relevant to that, you're putting the coldest exchanger air at the coldest part of the heat source. This increases the temperature difference between the two so you'll pull more heat out of the cold end. since the temperature gradient of the exhaust pipe gets hotter the closer you get to the heat source, you may be decreasing the gradient at the hot end a little, but you more than make up for it by increasing the difference at the cold end. another thing that can help this is by piping the intake end of the heat exchanger so it pulls air from near the floor rather than 1/3 up the wall. air by the floor will be the coldest after all. In fact, you may even be able to get away without the fan if you did so as the warmer air will rise and pull colder air in so long as you have enough of a height difference between the in and out (less noisy, no need to power it, etc.). other things that can help this: using a high temp thermal glue to couple some strips of sheet metal to the exhaust tube, wrapping the exhaust tube with a bunch of wire with 2-3 inch ends sticking off it can have a similar effect. surface area is key to improving heat transfer as the air has to contact the hot bit to pull heat out. One more thing i just thought of is to try coiling the exhaust tube so that you essentially make a coil spring shape out of it with a few inches between the coils. I don't know if this would improve efficiency, but it could allow you to fit the same (or more) exhaust tube in a heat exhanger half the length.

[@ppokorny99]

Given the condensation problems with the exhaust, I think coils would trap condensate. But a slight decline in the run of the exhaust would likely be good for both issues. Make the outlet lower than the heater so the condensate runs downhill and the air in the tunnel will naturally flow uphill.

[@joshuadelisle]

@@zerumsum1640 excellent information. Thank you. Cheers J

[@zerumsum1640]

@@ppokorny99 Rotate it 90 degrees so the outlet is on the bottom and the inlet on the top for the exhaust tube. Hell, in a vertical configuration it'll pull its own draft so you won't need a fan. so long as the hot end of the exhaust is the top you've probably got the best way to set this up. Depending on how crafty you want to be with it, i can see an exhaust line coiled up in a piece of round air duct with a cap on both ends. have the coil offset from the walls, and a few tubes running the length of it inside the middle of the coil. fill the deadspace with sand or water and you have a heat battery. I think the main flaw of the sand test in this video is that the whole thing is so long. you're not concentrating the heat in the sand, you're just using the sand as a mid stage between the room and the pipe. by packing it all into a smaller space, and swapping to a vertical setup, it'll allow the system to create a draft to more effectively dump that heat back into the room when the heater itself isn't running. After all, in the end we're trying to keep the heat in the room. Heat batteries improve efficiency by keeping the heat around and releasing it over time, leading to the heater needing to be run less. I bet with the right setup reclaiming the exhaust heat like this would probably improve the overall system efficiency by quite a bit.

[@Eniro20]

Thanks for the great video! When talking about percentages of heat captured, you have to be careful when using non absolute units of temperature, such as °C and °F. Direct percentage calculations don't actually make sense for these units, and you will get different results for °C and °F, since the scales have different zero points. For example, (198°C - 56°C)/198°C = 72%, but (388.4°F-132.8°F)/388.4°F = 66%. If you want to divide by an absolute temperature, you need to use the Kelvin scale to get the absolute percentage of energy captured, but this is not exactly useful either, since a 100% efficiency would mean that you are able to cool the exhaust down to absolute zero (requires a heat pump, and of course one with that kind of efficiency does not exist). With Celsius and Fahrenheit scales, however, you can still talk about and divide by differences in temperatures, so a more useful notion might be to take a target temperature for the room, and set that as the reference for the optimal 100% efficiency exhaust temperature, as this is the best efficiency you can achieve without heat pumps. Take, say, 20°C = 68°F as the target. Now we get (198°C - 56°C)/(198°C - 20°C) = 80%, and as a sanity check, (388.4°F-132.8°F)/(388.4°F - 68°F) = 80%. Here it's also good to note, that temperature is not the same as heat energy. The rate of heat energy given out by a surface at temperature T_1 in a room at temperature T_2 is proportional to the surface area of the surface as well as the temperature difference T_1 - T_2. Since this is a direct proportionality with respect to temperature, you can use the temperature in many proportionality (percentage) calculations, but need to be a bit careful. Also the amount of heat energy stored in a substance is directly proportional to the temperature of the substance, meaning that with the sand battery, when it is initially warming up, it does not give out as much heat (power) as the air one, but once its temperature has settled (no longer rising), the amount of energy stored in the sand is constant, and it is giving out heat at the same rate it's pulling it from the exhaust. The surface temperature of the sand battery will be much lower than that of the exhaust pipe, since the surface area is much larger. I think your method of comparing the difference of exhaust temperatures at the beginning and in the end of the pipe is maybe more useful than comparing the temperatures of the radiator vs the pipe vs the air blown by the computer fan (and seems you thought the same).

[@realBarronTrump]

my captain my captain

[@stephennorski2843]

What he said.

[@gwenyngruffydd]

Great video! I heat the whole farm on wood. Hot water and central heating. 2 wood burners with a back boiler and a 3rd without a boiler. More often than not 1 burner going is enough as it’s connected to the rads. Your video was the first one I’ve seen with these types of heater. Shame they don’t make a bigger one for large sheds. I’ve seen people connect these to their houses but it must only be enough to heat one room and not the whole house!?

[@thewisecracker-rq1pu]

Great video! Love the info but especially love the entertainment value LoL!!! Also, Ulefone (used for pounding nails at 9:42) are THE best rugged phones hands down! I have several and will never buy any other brand of phone, ever! Thanks!

[@joshuadelisle]

Thank you so much. Cheers J

[@captainwiffwaff6201]

I love it!!!! How about a wood burning stove with a back boiler that heats your radiators (will need a metal expansion tank and pump, no biggie). And the stick a flat plate heat exchanger in the loop so you can also switch your heating on using your combi boiler. Also stick a radiator on said loop in a metal cupboard with a extraction fan on top, to act as a drying rack!, to dry clothes and towels ect!!!! These are some of the amazing ideas I come up with and my adhd don’t ever let me complete!!!

[@better.better]

I grew up with wood stoves, last winter I went camping with a titanium tent stove and it brought back a lot of memories... however, having not been around one for 30 years or so, it was really driven home how bad it really is for us, and things that I never noticed when I was a kid we were really obvious, such as the smoke scent that inundated everything that I was wearing, which was not nearly as pleasant as it was as it was burning. kind of similar to how when I was a kid I never noticed the way smokers and smokers houses and cars smelled, but now with smoking being banned everywhere public, the smell is really nasty when I encounter it, and if I have to ride in a car of somebody who smokes, even if they didn't smoke while I was in the car, that smell just clings to the entire interior, which because I was sitting on is also clinging to my clothes.

[@joshuadelisle]

Yes those stoves aren't very efficient and so you get a lot of un combusted gases escaping. The type of wood makes a difference too, resinous pine is not a great after smell but apple wood has a really pleasant odar when burnt. Most stoves by law are fitted with a secondary burn for maximum efficiency. Cheers J

[@colintinker7778]

​@@joshuadelisleThe latest wood burning stoves produce huge amounts of particulate pollution. When they are warming up they can produce over 7000 times the particulate pollution of their lab rating. In "real world testing" using best practice, wood burning stoves had pollution levels many times higher than their lab ratings. I live in a Smokeless Zone with 2 wood burning stoves opposite. My particulate monitor regularly reads SEVERELY POLLUTED with pm 2.5 levels over 300 microgrammes / cubic metre. Wood smoke is loaded with carcinogens. Worse than cigarette smoke.

[@robjw77]

​@@colintinker7778Yes people that use wood burning stoves are extremely selfish, our neighbourhood stinks all winter, we have to basically seal ourselves in our home, no fresh air. I think we are going back to Victorian times, one small consolation is that fire requires air so some of their pollution is slowly poisoning themselves and children as well!

[@downstream0114]

@@colintinker7778 Lots of people have no idea how to burn them clean. My mother's chimney exhaust is unnoticeable (she has asthma herself) while our neighbors sometimes smoke up the whole neighborhood.

[@colintinker7778]

@@downstream0114 You're right about people not knowing how to operate fires. Of the two log burners opposite us, the newest one has the blackest flue. The smoke from it flows down the roof and along the road. This is in a "smokeless zone". Both log burners stink out the whole area when lit... even with no visible smoke.

[@1Bman]

I'd like to see the suggestion of passing the exhaust gases through a large volume of water, that's how car heating works. then a fan or radiator on it..

[@Bluepower20vt]

Really informative and helpfull video! Insulate your door with just reflective padded foil will help reducing heat loss dramatically and is easy and cheap to do. The next step would be to replace the door with one that has a seperat entrance door(and while you;re at it, that door can be the 40mm insulated one )

[@joshuadelisle]

Thank you. I might build a porch at the side with a two door system so I can close one behind me. I need the two large garage doors for the large projects I do now and again. Some lengths of steel are over 8m so I pass it through the workshop. Cheers J

[@terrymcalinden889]

@@joshuadelisle I Can't believe you have not insulated the doors: They are a huge cold radiator, probably more than 50 sq ft. I obtained a load of fruit and veg boxes made of polystyrene from my local greengrocer and cut the base, sides and lids to make flat panels about 1/2" thick to cover my double garage door and it has made an amazing difference. When you touch it now it feels warm. I replaced the roof with insulated corrugated steel sheets as well.

[@joshuadelisle]

@@terrymcalinden889 nice. Cheers J

[@duncanmacleod7210]

Josh, only recently found and subscribed to your channel and as a retired engineer, I love it. ADDITIONALLY !! My three brothers (between them) have 7 sons and 3 daughters and all are being taught independence and self sufficiency. I have recommended your channel to them for obvious reasons but also due to the fact that you seem to be one of the very few on KZbin that can complete a pod cast or for that matter even a sentence without having to insert an expletive. Thanks for all the useful information and a vocabulary that doesn’t sound like a “hood rat”.

[@joshuadelisle]

Thank you so much. You'll like my next video coming up. I'm going off grid using wood to generate electricity. Cheers J

[@The-Selfish-Meme]

The Ulephone is out of stock on Amazon UK... 😮‍💨which is a pity as I would buy one right now! Love the content... I found your channel whilst researching diesel heaters for my boat.

[@joshuadelisle]

I'll check with them on Monday. They should re stock soon. Cheers J

[@SilverHolland]

great work! If your priority is immediate heat over lingering heat, all you need is a longer exhaust pipe to the point where the outflow is room temperature. For varying situations, you could have the end bit in sections with valves for multiple exhaust lengths to switch between. Insulating your walls and crevices will do more than sealing in exhaust heat with sand on water, I'd guestimate.

[@ChishanFipz]

Thanks! Just about everything I want out of a YT video. Humour, intelligence, practicality, and common sense. I was going to send you some sticks from a nearby wood but opted for 5 quid instead. Thanks again.

[@joshuadelisle]

Thank you so much, that's very kind. Your support is much appreciated. Cheers J

[@ThemusMaximus]

I like a few of the ideas that have popped up in the comments. Particularly reversing the fan. I would be wary of making a more efficient radiator unless you have a way of stopping deposits from forming inside the exhaust section when the temperature is lowered too far. Also, I see that a sand battery would be good in an area where you need continued heating when the heater is off e.g. sleeping areas. So you can turn off the engine to sleep in the quiet, while retaining the continued heating ability of the sand. An air or liquid radiator is ideal when you need to use an area, and then leave e.g. a workspace, like a converted garage. As much of the heat as possible is used to heat the air while you are there. Then when you leave the area, there is no residual heat stored in the sand that would be wasted while you are not there.

[@jonarment1229]

They don't ban things to keep you safe. They ban things to contol you.

[@Tresla]

Dropped your tinfoil hat there bud

[@jonarment1229]

@@Tresla stay away from corporate media. You are the product they're selling, not what's in the commercials.

[@passivehouseaustralia4406]

Yep they control you to stop you from killing yourself.... A terrible truth... Get used to it.

[@superhuber]

Hahah looks like you are openminded and aware but tell me how it is possible that on every elections people vote always fot that same camuflage „communists” and later accept and agree with all this „Orwell’s world” laws?

[@superhuber]

@@Treslayou already payed your global warmning taxes pal? Happy with less money in your pockets, temperature in house not to high?😂😂😂

[@nancen7128]

I am heating 2000 sf !! Down to 27 degrees it will heat it all. Connected to 55 gallon drum !! Lasts me 2 1/2 months !!! Love it !! Cut my propane bill 70% !! FANTASTIC!!

[@joshuadelisle]

Nice 👍 cheers J

[@CheerfulChipa]

You sir, are a legend! An absolute savage with your sponsored products, which already made me want the phone. You dont give a rubber duck but, at the same time you are extremely informative and give some real food for thought! Thank you for your content! to me you are now aka: De Lisle - De Savage! Cant get enough!

[@joshuadelisle]

Thank you so much. That's very kind. Hopefully lots more like this to come. Cheers J

[@Northstar-Media]

Credit to you for practicing what you preach . They spout about the virtues of green energy but the real objective is to tax the air you breath

[@Biliskner]

LMFAO. Your ending in the last 1 minute was great!! Keep up the good work!! If we get our house we're looking at, it will have an extended garage/workshop/utility room. I'll definitely get one of these to heat it up!

[@joshuadelisle]

Thank you so much. All the very best. Cheers J

[@scottishfreeman]

if you heat the used vegtable oil and add heated pork gelatine, once set the gelatine caputres all the impuritys at the bottom and you can just use the clean oil above

[@andyspoo2]

"The don't like things they can't TAX" = Got it in one.

[@jimagles1394]

Running the exhaust through an aftermarket automobile catalytic converter may just be worth exploring. They are stainless steel to resist the acid formed in the condensing gas and many have a heat shield on one side that would provide some mounting options. In addition, I believe that rather than just recovering "waste" heat, the catalyst drives an exothermic reaction, especially the second generation convertors that have a port to admit extra air for driving the reaction. The extra air could be provided from outside. This setup could provide a radiant heat component to the whole rig...heat you can feel. True, the after-market catalytic converters run about what the diesel heater does, but it will probably outlast the heater and may very well pay for itself in a season with the extra heat generated.

[@mandowarrior123]

The issue with adding a catalytic converter is exhaust back pressure. It will bugger the efficiency of the engine without retuning it. I'd recommend not slapping one on.

[@PHarrington]

I stayed , almost transfixed by your antics. Strangely I managed to keep up with what you were showing us. I wish you had been my science teacher . Explaining subjects clearly, the way you do. Involves understanding, belief and honesty. Qualities few people hold. WELL DONE.

[@joshuadelisle]

Thank you so much. Hopefully lots more like this to come. Cheers J

[@SandrasSpicySpanishSalami]

This video could well save lives this winter, both because of the urge to install correctly and cheap heating of pensioner's homes. ❤🗿👍

[@intomlinson]

That plug isn't BS1363 compliant, not just that it isn't fused, but also the size and shape is designed so you can't reach around it with your fingers with plugging in/out and potentially touching the pins and shocking yourself Another thing to add to the list of things that aren't safe with the safe heater

[@joshuadelisle]

Yep. Cheers J

[@bobp6742]

The pins are the wrong size and the earth pin has insulation on it, which is the norm for anything dodgy from China

[@davewallace5008]

What is the BS rating for fresh air? The government might be considering a ban over 500cu ft per day!

[@Station9.75]

But it won’t get banned because it’s not being recommended on a video with 4M views.

[@mrdevious2946]

A diesel car EGR cooler is a good exhaust to water heat exchanger if you are looking to heat water with the exhaust heat. Ford Galaxy and Peugeot 2.0 HDI ones have been recommended by others as the connectors are close to the diesel heater exhaust diameter. Most people in the UK who are "on grid" won't be able to store more than 200l of heating oil without notifying the building control of their local authority. You're likely exempt as your home is heated by heating oil.

[@joshuadelisle]

Very good point. Cheers J

[@juliogonzo2718]

Thermoking makes a semi Trailer heater called a heat king. The muffler for the little yanmar or whatever it is diesel engine had an integral air water heat exchanger in it and it was pretty narrow diameter exhaust.

[@THEMrFill]

based on that "logic", since people have comitted suicide by having their car running in a closed garage, the government _should_ ban petrol and diesel cars too!!! 🙄

[@toveychurchill6468]

Don't give them ideas

[@phuckarooshyguy]

That's the stupidest thing I ever heard. Lol just kidding. I actually agree :)

[@TenForceFalls]

Here in the mountains of Colorado it gets cold and our grid can be a little finicky when its really cold. I want one of these to save some money and be less reliant. Thanks for the video!

[@charliehendrix168]

Bought an on-demand propane hot water heater recently that was recalled within 2 months of purchase. Looked up the reason why and we decided that stupidity of other consumers was not enough reason to warrant the return. Governments just love playing this control game.

[@jadedandbitter]

The best on demand water heater available is not known by almost eveybody, although its electric based. Theres a company called hydro dynamics that makes something called a hydrosonic pump. Heats using cavitation. Officially 99.99% efficiency in heating-this is as advertised and measured. Unofficially, it's higher; something happening with the cavitation causes a bit more energy to come out than goes in. But even if you dont believe that, 99.9% efficiency and on demand should be convincing enough. Oh, and its scale free too. The cavitation prevents any scale buildup.

[@Popeyes66]

Great channel and even greater political insight. Bravo Joshua.

[@joshuadelisle]

Thank you. It's good to debate at least and not be dictated to. Cheers J

[@gronkotter]

Your air heat exchanger setup will have higher efficiency over time. As storage heats up the smaller temp drop means it captures less heat. Look forward to seeing your wood heater experiments.

[@PHarrington]

I stumbled across you post and was taken back in time by the Government inspectors used to visit me. More interest with getting their visit over in time to get 9 holes in on the way back home. My heart goes out to guys out there like yourself who GET THINGS DONE despite the attention of Pratts. Keep well.

[@joshuadelisle]

Thank you. Cheers J

[@dcbcherrygate]

really interesting to hear your closing thoughts about burning wood etc. Agree with the "they dont lke us getting free stuff" idea. I've got PV, batteries & an ASHP. Pay for themselves in 5.5 years and after that free. I wanted to buy something that would eventually provide free energy rather that keep paying the energy companies for something thats burnt in an instant and needed to be bought continually. Good luck with the wood and diesel.

[@nvelsen1975]

I got the same, then in the first year, leftwingers began trying to brutally slash the delivery compensation for my PV power. So in the summer I have to give it away for free and in the winter I can pay through my teeth despite my investment. The only thing keeping the compensation around is the current political chaos, and even then the payment got halved for my supplier (I was a first adopter of a new power company in 2008, still carry the perks after they were bought out) and cut by 7/8ths for most suppliers. They want us to stop burning gas, oil, wood etc, but they're doing an excellent job at deterring people from actually going there.

[@Ibrahim-1234]

Great video and great personality.

[@joshuadelisle]

Thank you. You're very kind. Cheers J

[@mafs13]

While I find this very interesting and would love to have a shed like yours with a diesel heater, I can't help but think what our air quality would be if suddenly EVERYONE would start using them. Same thing for the wood burners, lovely when a single person uses them, but when an entire city starts using them the air quality goes down really quick. I myself live in a street where a lot of people have wood burners for heating their homes, not because it's necessary but because they like it. When it gets cold out and everyone starts burning their wood the entire street is covered with a suffocating wood smell and the air quality drops dramatically. I do love a good wood fire, don't get me wrong, but if everyone starts burning wood we'll suffocate to death..

[@ElNadaInLada]

Homo Sapiens is adapted to smoke in contrast to neanderthals. That, among other factors, gave us an evolutionary advantage. Hominids have basically lived for 1 Million years close together with fire. We used it for cooking, for heating, as light source, to get rid of insects, ritually and so on. The idea that this harms us in those doses we are used today, after invention of electric stoves and so on, is just anthropologically unsound i am afraid to say. We are so much adapted to it, that we actually use "smoke" as ingredient to our food, because we crave for the taste. It is added today artificially to food without putting it over fire. One could go more indepth with this and check out how human bodies react to environmental factors, but this should be enough to bring you on a path to research this for yourself. You will be surprised. This whole "air-quality-trope" is being used in a propagandistic way by people that don't want the best for us, but for them.

[@MrMoralHighground]

@@ElNadaInLada spoken as fact by neanderthal to homo sapien

[@robt2151]

@@ElNadaInLada A factor you didn't mention is population density. It's a simple equation: more people = more pollution. I live in a country where more than a third of houses are heated with wood but we are well spread-out and air quality in those areas is not a problem.

[@fgregerfeaxcwfeffece]

"Thank you for your box of spare parts." Yeah well, I have bought bad products for parts before. Because sometimes they are cheaper then half the parts bought separately. I bought an intercom just for the aluminium case once. Try to get a proper aluminium intercom case for below 20€. So just the case and the fitting speakers alone would probably cost me more.

[@dv8tion242]

Interesting. With the sand, you sort of created a diesel/kerosene powered storage heater. Makes a lot of sense from when electricity is the only option. Installed a set of Quantum heaters last year and while they are light years better than old style storage heaters, that's basically what they are, just with far better insulation and fans. But, it's nice having warmth. If you go down the WVO path, it might be worth turning it into proper biodiesel. Not for the cost, but just to see how well it works in the heater.

[@goodmanboattransport3441]

The commercial solar power plants use molten Sulphur as the heat storage medium to continue to generate steam after sundown. Sulphur is probably not a friendly medium in a shop shed, but the experiment would be interesting

[@TomTwain]

The Covertment has ban'd it because it's efficient... That's the real reason !

[@eadweard.]

How would that benefit them?

[@sausage6984]

​@@eadweard.Guess. It's easy.

[@eadweard.]

@@sausage6984 I notice you've avoided the question.

[@nigelp5352]

REVENUE@@eadweard.

[@andrewbevan9182]

It benefits Them by keeping us paying green taxes on present energy bills all the time ! government needs taxes and more taxes because its bankrupt! Morally And financially

[@danoneill8751]

Couple of things on the supply of kerosene / 'heating oil': 1) We have a giant tank and an oil boiler that that heats our home and have had many deliveries over the years, and unlike the boomers we are surrounded with (expensive + countryside + UK = only old people) we shop around. 2) Every delivery I've had they check the tank, they check the certification on it, and they note down things, I've asked them before, because I was intrigued to see if I needed some inspection or something, and they explained that they can only deliver to proper tanks (ours looks a lot like the one in this excellent vid) and this isn't related to a law or regulation (although there are a lot of them too) its because of their insurance, their public liability insurance force them to only deliver to proper tanks. So, I strongly suspect that you could not get them to deliver you in 500l batches to a bunch of old oil drums. 3) 60pence per litre!? It's 75 right now where I live, it was up to £180 last year at the height of the various crises and if you think it will never go back up and that was a one-off you are deluded. The current wars aren't the only ones, the historical prices fluctuate that much all the time. I'm really sorry, to break it to anyone not paying attention, but europe and the us are rapidly waning int their support of Ukraine and if Russia expand their efforts then fuel inflation will make 2022 prices look like a fond memory.

[@danoneill8751]

Oh, and one other thing - great video, really good, sensible, quantitative physics and thought and love the build methods used. Anyone tries to take your excellent heating system away then for the sake of all of us, rage, rage against the dying of the glowplug.

[@Equiluxe1]

They are only supposed to deliver into bunded tanks now, but they can also deliver in 45 gallon drums if ordered that way and they will refill such drums. I dont think they would fill one of those drums with the clip on lid though.

[@bobcuarto4891]

Yes, i agree that it's unlikely that a reputable supplier would deliver bulk supplies of kerosene to 50 gallon drums as it is illegal to store at home in such a manner (has to be in bunded tanks subject to many regs. about positioning etc.) I use diesel heaters to heat my home (off mains gas grid) and buy my kero from the pump in 25 litre barrels, can't justify the expense of installing a compliant tank.

[@ek8710]

Domestic kero does not need a bunded tank. We've had 3 brand new single walled metal tanks filled in the last 5 months by various suppliers.

[@freeforester1717]

Best the Germans repair their broken pipeline and get back to saving their economy and keeping their people supplied with cheaper energy. NATO’s interests are really only US interests, it wasn’t in the interests of Europe or the future of the EU to have them blow up the pipeline, but it certainly was in their own interests.

[@fgregerfeaxcwfeffece]

Black is not necessarily more thermally conductive. It just turns visible light into heat. So unless your garage is too bright that doesn't really do much for you. Because regular indoor lighting never puts enough energy in for that type of harvesting to be worth it. Even a 15 watt LED already radiates a lot of those 15 watts as heat in the module itself. So there is not a lot left to harvest elsewhere. Ancient glowing glowing wires where even more ridiculous, I think the thermals where like over 95% of the power input. So even a 100 watt lamp had optimistically 5 watt of light emission so even if you harvested it all it would be 5 watt tops. But then you would have just build a very unnecessarily complex electric heater.

[@joshuadelisle]

It was just for the thermal camera to get a better reading as white and stainless is very reflective. Cheers J