Mixergy Smart Tanks - The Hot Water Battery | SUBSCRIBE to Fully Charged PLUS

[@vo5man]

I really enjoyed this - it was a nice update from the original fully charged episode. Great to see the progress but I'd love to see an episode with focus on the add-on heat pump/exchanger

[@Pottery4Life]

I really like these home utility videos. Thanks!!

[@roderickmain9697]

"Alexa: What is the hot water level in mixergy" : Our Alexa responds "Hot water level in Portuguese is 'Nível de água quente' ". The miracles of modern technology.

[@Pottery4Life]

My Alexa didn't understand.

[@ferkeap]

So keeping ai and cloud running, very energy effecient 🙄

[@ryanjames2962]

Smeeeeg heeeeeeaaaaad…. Love Robert

[@Onkarr]

8:15 Bravo 👏🏽 glad someone is not selling products that fail and will last as long as possible 🙏🏾 time to end planned obsolescence ❤️

[@meganwinters5163]

Please 🙏 bring this amazing tech across the pond to America! Beautifully engineered! Love the fact that it's so intelligent and most importantly Future Proof 💕

[@jonmapp6803]

Adding this to the must haves for when we start rebuilding our house

[@karstenstigmezinirasmussen7786]

Great to see such a positive development with Mixergy.

[@fredbloggs5902]

Please explain the reason for your opinion?

[@karstenstigmezinirasmussen7786]

@@fredbloggs5902 An engineer and product developer, I like clever technology, especially when it helps solve a huge problem for humanity. Why do you ask?

[@fredbloggs5902]

@@karstenstigmezinirasmussen7786 It’s not obvious to me what Mixergy are doing that’s so ‘positive’.

[@showme360]

We have a Sunamp for our our hot water needs, and we switched it off on Sunday and returned a week later and before switching it back on I tried the hot water tap and warm water still same from the Sunamp. Impressive don't you think, it was warm enough to wash with, but not hot enough to shower in.

[@MattWadeonline]

Thanks for the text info about it as Robert didn’t really set the scene very well as to what it was etc at the start.

[@ConnectCreativeDesign]

Agree, it kind of dived in and I didn't have a clue what it was.

[@patrickjr11]

Home green transition is in three parts, cooking, hot water and heating. While heating is the complex and expensive one, and cooking is done with induction, it is so nice to see that hot water is now taken care of with such a really well thought out product. It is just a shame so many people took out their tanks when the combi boiler took such a hold.

[@fredbloggs5902]

Are you claiming to own one of these?

[@gaycha6589]

I guess those old tanks would be deemed highly inefficient and have to be updated anyway. It's fascinating time - the hybrid approach power source - solar PV + battery, heat pump, off-peak mains will become the new 'combis'

[@rocketsciencemusic5398]

@@gaycha6589 haha yes. We have an old 20ish year old combi. Will change to a system boiler and tank when it needs replacing and get a solar diverter for the tank.

[@frejaresund3770]

I have been enjoyed, so thank you for delivering.

[@williammoore9609]

Kudos for getting the size of the sausage in. 👏

[@djmattcox]

Can’t find any costing on the website, how much do these start from?

[@mixergyltd6286]

Please do get in touch with us Matt ( www.mixergy.co.uk/contact-us / 01865 884 343 ), we'd be happy to advise on costings.

[@ianrobins5501]

Because of fullycharged Mixergy part 1 episode, i ordered the Mixergy tank back in December 2020 ( to be installed 2nd March 2021 due to covid thing)but thanks to the installer i'm still waiting ( there is no supply issue from Mixergy) . Mixergy have been great with all my questions over heat pump, solar pv options. solar PV electric heating is already available and if you already have a tank fitted you can change the element to a dual element version ( pv electric with say an e.g. myenergy eddi and normal electric power), cost of changing the element is not a lot either.

[@mixergyltd6286]

Thanks Ian - look forward to hearing how you get on with the system - should work well with your eddi system which is a great product!

[@fredbloggs5902]

If your claim is true, please provide the total price of tank + installation.

[@martynlaverick3405]

Never knew these existed. Fantastic bit of kit and really enjoy these type of vids.

[@bobbest9181]

I have a traditional underfloor heating system? We have underfloor heating on the ground and first floor and radiators on the second floor can a Mixergy Hot Water Tank work with it?

[@keithos6358]

Getting one of these installed by British gas quote is under £2k fully fitted... With new gas / electric prices should save at least 400 quid a year and allow me to remove header tank as well as have constant hot water vs my old copper tank

[@thinktoomuchb4028]

Great follow-up! What's going on with Sunamp?

[@DavidHarnett14]

can't find any mention of cost in any of their videos or website without contacting them, makes me think it's going to be very expensive?

[@mixergyltd6286]

Hi David, We like to thing our systems are actually very good value - you can buy Mixergy tanks through Midsummer energy or Travis perkins: midsummerwholesale.co.uk/buy/mixergy-smart-hot-water-tanks Or get in touch to buy direct - as you can see, our pricing is on par with premium hot water cylinders (Heatrae Megaflo) - but includes all the features and benefits of smart control which is integrated to avoid further installation cost and hassle! If you'd like to find out more, please get in touch through www.mixergy.co.uk/contact-us

[@fredbloggs5902]

In my opinion it’s a complete con, but feel free to correct me if you decide I’m wrong.

[@Snodgros]

They quoted me £1200 plus fitting. But as I said above their fitter network let's them down and your local CHG engineer will not be skilled up to install one.

[@arthuropod3771]

@@fredbloggs5902 Please show your workings as to how you came to this conclusion.

[@fredbloggs5902]

@@arthuropod3771 what part of ‘in my opinion’ do you not understand?

[@EverythingElectricShow]

For this product showcase we spoke to Dr. Pete Armstrong, CEO and co-founder of Mixergy, to learn about Mixergy’s revolutionary smart hot water tank. The Mixergy tank heats only what is needed rather than everything, which makes it faster, smaller, more efficient than a regular cylinder. This top-up heating design helps save homeowners money on their hot water bills and lower their carbon footprint. You can install a Mixergy tank with a gas boiler today, connect to a solar PV system next year and even connect to a heat pump the year after that helping homeowners transition to low carbon with minimal disruption. For more information visit - www.mixergy.co.uk Become a Patreon: www.patreon.com/fullychargedshow ​ Subscribe to Fully Charged & the Fully Charged PLUS channels Buy the Fully Charged Guide to Electric Vehicles & Clean Energy : buff.ly/2GybGt0 ​ Browse the Fully Charged store: shop.fullycharged.show/ ​ Visit our LIVE exhibitions in the UK, USA & Europe: FullyCharged.Show/events ​ Subscribe for episode alerts and the Fully Charged newsletter: fullycharged.show/zap-sign-up/ ​ Visit: FullyCharged.Show ​ Follow us on Instagram: instagram.com/fullychargedshow ​

[@nc3826]

The Mixergy tank heats only what is needed rather than everything??? Really??? That should have been talked about more and explained in more detail. IMHO.... Does the tank have seperate chambers??? How does it only heat "what is needed" like a tankless water heater can? I thought its stores hot water from excess cheap electric rate off peak period? NVM I found how it works in earlier post, that shows it uses hotter water off the top if the tank 1st, without mixing it with the incoming colder water, like standard HWT does.... Stratifying the heating process, no wonder the tank has to be built so strong. To deal with increased pressure at the top if the tank. And no wonder it's all why it needs to be so smart to be able to know the level of the temperature gradient. Nice idea, wonder how much more it cost vs a high end HWT.

[@edwardpickering9006]

Sadly the new build house I am just about to buy has a standard gas boiler and tank, but that won't stop me replacing the tank with one of these - looks fantastic!

[@mixergyltd6286]

Thanks Edward! That's really nice feedback, - we'd be delighted to ship you a new tank and it should get the best out of your gas boiler (delivering savings 12% to 20% whilst also giving the opportunity to work with flexible tariffs) - do get in touch ( www.mixergy.co.uk/contact-us / 01865 884 343 ) - here's more from the Energy Savings Trust around how the system saves gas with a regular boiler energysavingtrust.org.uk/products/mixergy-hot-water-tank-cylinder/

[@fredbloggs5902]

Please provide the calculations you obviously made that show this is a good investment.

[@edwardpickering9006]

@@fredbloggs5902 It's not about the money, it's the fact I can heat my hot water from excess electricity and not gas.

[@mart34]

When you say 20% reduction in gas consumption, is that 20% of what would have been used for hot water only? Approx 75% of system boilers gas consumption is used for Central Heating. So 20% total reduction would he 80% reduction for HW (which I doubt). Please do a video explaining how the mixergy can act as store for CH with solar thermal and/or Solar PV. You need more case studies for consumers to read. People who are interested in these are people who have knowledge of systems and want to research eg are not totally clueless people who rely on pros to design/install. Cheers

[@kmac499]

Brilliant stuff, ive got a 'simple' excess solar power diverter on my unvented hot water tank works a treat Any plans for a 'mixergy lite' controller only option to upgrade an existing tank? It could still listen for cheap renewable and control the gas boiler by spoofing the gas thermostat on the tank.

[@mixergyltd6286]

Hello Ken, we do indeed have such a system which we haven't been actively marketing - if you'd like to discuss further, please contact us on www.mixergy.co.uk/contact-us

[@joeking4206]

When he showed the Alexa demo my Echo woke up and told me about Mixergy 🤣

[@daveg56]

Fantastic, the fact that I might benefit from a Mixergy tank prior to solar pv or ASHP is really appealing. Our HW tank is 114l, tempted to move the tank to the loft space when we upgrade.

[@philtucker1224]

If you want to put a tank in the loft try to put it over the T-junction of two supporting walls. This will help to support the (very heavy) weight etc. (P.s. I’m not a plumber, but just saying 😊)

[@daveg56]

Good point@@philtucker1224, will remember that when planning :)

[@fredbloggs5902]

I look forward to seeing your calculations of how good this product is, perhaps you can start with the price?

[@raywood3439]

Great episode and well explained. Can see it working well with Octopus Agile tariff.

[@stephenlinden8717]

Do they work with combi boilers? Can't afford to get a heat pump (and maybe a full radiator replacement) but something like this working with solar, agile and my combi boiler would be a great starting point.

[@mixergyltd6286]

Hi Stephen, yes they do indeed! You can convert a combi boiler into a system boiler by simply connecting the system loop to the coil connections within the Mixergy tank alongside a diverter valve. This system will also have a primary electric element which can work with an agile tariff and the system can be configured to absorb excess solar PV - if you'd like to find out more, please drop us a line on www.mixergy.co.uk/contact-us or call 01865 884 343

[@micksoden7064]

Robert,I've been watching your channel for years now, and I've only just noticed I'm not subscribed!rectified and can't wait for more info.love your channel.

[@pedrofradique]

Hello. I may be a bit late to the “party” but is this available in Portugal? Can’t find it. Thanks

[@GundletonPaul]

Great vid. I believe Tepeo are launching a combi boiler. My heating is 20 years old (electric only - not on the gas grid). Do I get a mixergy or wait for the Tepeo combi?

[@aledevans732]

Can you use these without a boiler as a stand alone with solar and electric from the grid ? Thanks

[@bibliotek42]

If they last 30 years, how do they cope in areas with limescale? That's what normally kills boilers in the end where I live. When I had a new boiler 10 years ago they had huge problems trying to lift the old one out because of the weight of the scale inside.

[@mixergyltd6286]

Hey, good question, our systems are actually less susceptible to scale problems since the heating elements and coils are towards the top of the cylinder. This means that scale will settle at the bottom without enveloping heat transfer surfaces and impacting on efficiency. It is possible to de-scale a system with a dosing treatment or reduce the problem from the outset with a water softner in very hard water areas. We have many systems in places like Oxford and Reading which have very hard water and they have been operating without incident.

[@gigabyte2248]

As far as I can tell, these tanks will cope fairly well with limescale. The heating elements at the top (and bottom) looks like they can be removed, then cleaned or replaced. The whole premise of the heat pump heat exchanger is that it's external: siphon cold water from the bottom, feed it through the heat exchanger, which has hot heat pump water, feed the freshly-heated water back in at the top. Any problems involve replacing the heat exchanger, not disassembling the tank. The internal coils for a boiler might not cope quite as well. All this said, this is a hot water tank, not a boiler. There's less heating of water going on in this tank than in a boiler, so it'll probably just naturally get less limescale, even without factoring design features.

[@NeilBlanchard]

We also need to connect our refrigerators/freezers to this sort of heat storage.

[@PaulPhillipsUK]

Aside from it being a hot water tank I've no idea what this is, and I've watched the video

[@mixergyltd6286]

We've had that feedback through a number of comments Paul, apologies - in a nutshell the key benefits are: 1. The tank only heats what you need rather than the whole system in one go (this means a) it reduces heat losses (by around half), b) it is much quicker at getting to a useful temperature since you start out by only heating a small amount (rather than waiting ages for a full tank from cold, this can be around 5 times faster for an electric system and about twice as fast for a gas tank) 2. You can see how much hot water is in the tank using the simple gauge on the side of it - this means no more shower roullette! you can also see the state of charge on the Mixergy app if you'd like to control on your smart phone, or just ask Google/Alexa if that's your thing 3. The tank can learn your consumption and optimise its schedule against your energy tariff - most Mixergy tanks only need to heat to around 50% of their capacity for most customers - some customers get paid to heat what they need when electricity prices are negative! Those are the top 3 - but other benefits include: reduced boiler cycling to reduce gas consumption (between 12% to 20% saving) and heat-pump ready - meaning you wont need to swap the tank if you get a heat-pump in the future I hope this helps! but if you need more info, please visit our website on www.mixergy.co.uk

[@fredbloggs5902]

In my opinion it’s a complete con, but judge for yourself.

[@karstenstigmezinirasmussen7786]

@@fredbloggs5902 it sounds like you haven't tried to understand what it does and why. You are not into energy saving? What about cost cutting?

[@fredbloggs5902]

@@karstenstigmezinirasmussen7786 you’re welcome to provide your costs and calculations showing your claimed savings. Oh wait, you don’t have any 🤣

[@stevemickler452]

@@fredbloggs5902 I've spent a while trying to understand the mixing part of this and as someone who had a career as a plumbing engineer; I simply do not see much if any advantage.

[@markrowland1366]

Great news about this and the explanation of the durability of the grid.

[@martinweston8147]

Would be interesting to know the pros and cons of this over a myenergi Eddi?

[@mixergyltd6286]

Hi Martin, Mixergy tanks do indeed work with the Eddi which is a great product. You simply need to ask for a 'PV ready' version of the Mixergy tank - by being PV ready, the cylinder is able to top-up with heat from the Eddi whenever there's a surplus available for the tank. If you'd like to find out more please visit www.mixergy.co.uk/contact-us or call 01865 884 343)

[@johntisbury]

@@mixergyltd6286 This is good to know.

[@rude1992]

He says that it warms from the top down, and the meter and app shows from the bottom up 😂😂

[@mixergyltd6286]

Well spotted! we agonised over this internally, we think most people like to think of a 'bucket filling' or a thermometer and so feels more intuitive, we really should have a feature to allow people to flip it around if they'd like it to be more 'physically accurate' !

[@zapfanzapfan]

@@mixergyltd6286 Blue is hotter than red, ask any stellar astrophysicist, but I doubt the water is hot enough to emit blue light :-) Yes, definitely let people flip to hot on top.

[@nc3826]

@@mixergyltd6286 Suggest adding clickable option to show it accurately for all the pedantic ppl like me 😂😂

[@slothrr776]

turn your phone upside down. I'm an engineer, me!

[@sidosbourn1584]

If I understand the system correctly, once the ev is fully charged and the power wall is topped up the Mixergy system will take any additional energy from any energy source and store it as nice cheap hot water. Great system.

[@mixergyltd6286]

Hey Sid, spot on! This really should compliment your charging preferences with an EV. Some households have their EV at work during the day in which case they like to charge their tank or (home battery if they have on) but they may choose to charge their EV at home over a sunny weekend. For more info get in touch via www.mixergy.co.uk/contact-us or call 01865 884 343

[@katiegreene3960]

How long does it hold heat? Insulation value?

[@davidjrobertson3192]

Hi, I've been looking into this too as I would be keen have hot water all the time and to save CO2 where possible, but not if I can't break even financially, however looking at this quote "A typical cylinder will lose 1.5 kW hours a day through standing losses. A Mixergy cylinder charged to 20% has a standing loss of 0.54 kW hours a day." LInk: www.mixergy.co.uk/what-about-decarbonisation-of-water/#:~:text=The%20tank%20can%20automatically%20adjust%20the%20hot%20water,standing%20loss%20of%200.54%20kW%20hours%20a%20day. This is a delta of 1KW Hours per day. I am on gas [I would like move, ASHP but it isn't economically viable] , even if I was on Electricity this would only be 15 pence per day i.e. ~£50 per year. The cost of the Mixery tanks start at £1400 . The total cost of heating water on electricity seems to be about £1.20 per day based on this estimate for a 125 Litre tank at 8 KWH - www.thegreenage.co.uk/much-electricity-immersion-heater-use/. However I think if you are on Electric, you would go for Economy Seven and heat it then for half that price. Since I am on gas, I am only paying 50 pence per day in total. Therefor If you are on Gas or Economy 7, you would save only £25 per year over a normal tank and that is when the Mixergy is at 20%. That is a very low charge, they haven't stated what the loss is at a higher charge. I would love for somebody to prove me wrong on the above. I don't mind putting money in now and breaking even after 10 years, but I really can't see how this stacks up. I have solar panels already and they make sense, but I am struggling to find any technology that can reduce my Carbon footprint but that is not an economic penalty. Things like the Eddi might make sense if you have Electric, but seems a bit selfish if you have gas i.e. you redirect your electricity to charge your water but then might be a gas power station producing emissions to make the electricity that you have used. Sorry this started off as an answer and ended up as a wee rant. Hope it was helpful.

[@katiegreene3960]

@@davidjrobertson3192 off grid seems to be the best use case for this tech, or if you are in a place with high energy costs. Additionally If you think energy cost will go up then your hedging your supply.

[@davidjrobertson3192]

@@katiegreene3960 - thanks for the reply. Off grid might make sense perhaps with a heat pump. Other than that it doesn't stack up. It will be a 40 year return during which time I'm sure there will be other options.. Again I'm happy if somebody could show me my numbers are rubbish and I haven't carried a zero :-)

[@prerunnerwannabe]

Any plans to release these outside of the UK? I'm in North America and would love to see these come to that market in the next couple of years. I would love to have one of these!

[@mixergyltd6286]

Thanks for the feedback! We have developed the product to work with US domestic installations. If you're interested in pre-ordering please get in touch via www.mixergy.co.uk/contact-us or call 00 44 1865 884 343

[@miles2378]

@@mixergyltd6286 is their any push back from US grid operators/electric company's on using thes as frequency loading?

[@roscopeco2000]

I have some many questions on these, are you able to heat these just with solar surplus ? Or will still need grid top up? I have just had solar panels put in wondering if worth installing one of these to least get my combi from heating hot water

[@AndrewSheldon]

Can this go into a Rivian campervan with 'vehicle's heat pump' and 'solar panels on the roof.

[@nickieredshaw7835]

Thanks for another great video!

[@TwoForFlinchin1]

I am American. Is heat pump an alternative phrase for A/C unit? So you're using excess heat to make an air conditioner more efficient?

[@TwoForFlinchin1]

Nevermind. It's a reversible A/C

[@kevinjackson6387]

So I have a small solar system + 3 battery’s,in my 2 bed house ,i have a gas combi boiler for hot water and central heating ,2 showers a day ,could one of these be retro fitted to the combi ,if so would be cost affective,also how would this affect the central heating if at all ,thanks

[@courtmanr]

Interested in this as well, anyone?

[@stever7120]

Correct me if I'm wrong but I have just watched the earlier video associated with this one. In it, it seems they are claiming that drawing heated water from the top of the tank, filling with cooler water from the bottom and having the heating element at the top is innovative. I’m afraid this has been common practice for a long long time (standard immersion heater configuration). Watching it I had feelings of more Elon Musk rather than Eric Laithwaite.

[@fredbloggs5902]

Looks like a total con in my opinion, it’s just a bigger tank.

[@karstenstigmezinirasmussen7786]

@@fredbloggs5902 this is not just hot air. They have proven themselves to be right. Do you have personal reasons to spread negative comments about Mixergy? Why it's a good idea is really not that hard to understand, is it?

[@richardfisher3961]

@@fredbloggs5902 Unmute the video when playing. There, solved your problem.

[@ferkeap]

Can it also have solar vacuum tube input.

[@davidreece1642]

Could vid this be updated to use latest increased energy prices?

[@LudvigIndestrucable]

One slightly misleading comment is the reference to Dinorwig. The point of Dinorwig isn't to take excess energy off the grid, it's to then use that energy later at peak demands. While these devices can shift load, that's not quite the same thing.

[@mixergyltd6286]

That's true Ludvig - though the Mixergy Fleet is able to turn down as well as up so, across a large enough fleet, the service becomes comparable...

[@LudvigIndestrucable]

@@mixergyltd6286 I am not trying to denigrate the usefulness of the technology and its importance in further a smarter grid, but I really don't think it is comparable to pumped hydro storage. The advantage of Dinorwig isn't for load balancing as already mentioned, it's that at peak points of 4:30-7pm when people are turning on ovens and kettles, it can provide energy to respond to demand. The majority of water heating isn't on during these times anyway since most hot water hasn't been used during the day (so tanks are up to heat) and hot water isn't used much during this peak, so you're not able to have the 'virtual generation' of subtracting demand as there's not going to be much there to subtract. Unless the stored heat can be used towards evening energy use (most people don't fill their kettles from the hotwater tap, though maybe they should?) it's not helping deal with demand surge like a hydro storage facility.

[@VillageVidiot100]

If you have control of the immersion heater already surely you are only a couple of wi-fi current transformers away from being able to have it function as it's own solar diverter avoiding a 3rd party product and yet another app! Perhaps it's just on/off immersion control rather than PWM? Your smart tech could then look at the upcomming energy price\export rate, know the household habits and decide if you'd make\save more money by exporting the energy at peak time or dumping it into the tank. I don't think any diverters do that yet. Feature request!

[@bibliotek42]

I don't understand what this does. I can see it provides hot water for a shower etc. but what if I have under floor heating? Will it run that? Will it be more efficient than a normal boiler?

[@soulfinderz]

You can use it as a battery. It always has hot water in the top, and if you have excess electrisity, you can heat the rest of the tank. Or when power is cheap. Water can store a lot of energy.

[@fredbloggs5902]

@@soulfinderz please provide your calculation of how this tank is better than any other. This is NOT a battery, the only output is hot water.

[@soulfinderz]

@@fredbloggs5902 I suggest that you watch another video, to understand this product better.

[@fredbloggs5902]

@@soulfinderz I suggest you stop describing it as a battery, it’s nothing of the sort, you’re obviously a shill for the company. Water storing a lot of energy is useless if all it can supply it as is hot water. Households don’t need that much hot water. Converting high grade electrical power as low grade heat is an extraordinary waste.

[@AndrewHelgeCox]

Is this a worse way to store heat than the boiler from a different company that you've just had installed?

[@timshort9692]

Fantastic!!! You folks coming over to North America?

[@fothersiow]

So which is the most efficient way to heat the water if you had Gas, Heat Pump or Electric all available? Presumably a heat pump would always trump the internal element unless it was exceptionally cold outside and gas would only be used when there was a low renewables % on the grid?

[@jcevans6934]

Very interesting bit of kit, but can the technology be used to charge a Thermal Store? The annual space heating demand for a typical UK house is at least five times that of hot water, so the potential benefit (both to the householder and grid storage) is that much greater. I had a Thermal Store made to fit my airing cupboard a couple of years ago, it has inputs from biomass, solar thermal, solar PV (via Solar iBoost) and potential to connect a woodburner. The heat is used for both radiators and (via a plate-heat exchanger) hot water. The idea of utilising one of the two immersion heaters to absorb cheap/free electricity really appeals...

[@EastyUK]

Would this have a possible use case with geothermal? Building a new home in California and looking at various tech to include in an overall system.

[@ThomasBomb45]

My guess is that you can use their heat pump add-on

[@mixergyltd6286]

@@ThomasBomb45 Yes - you could indeed use this Lily, the only thing we have to be careful about is making sure that the heat source can be mechanically isolated for safety but in principle this ought to work!

[@fredbloggs5902]

Please explain why your geothermal would have a fluctuating output?

[@EastyUK]

@@fredbloggs5902 Hey Fred, the source would not fluctuate, though the ability adapt when to best power the system does, when considering load management from solar. Its far more efficient with solar( with a hybrid Inverter) to utilize power as you make it. So when considering the whole system the ability to have any configurable variables to suit the load consumption may be an advantage.

[@fredbloggs5902]

@@EastyUK I find it hard to believe that a domestic investment in geothermal would be made that didn’t produce all the hot water you could ever need, but I welcome your figures showing otherwise.

[@colinrickman4126]

Great to see Mixergy moving on from the development phase. It works with a gas boiler so presumably would work with an oil fired boiler system. Would the percentage savings be comparable to those quoted for gas and can the oil price (paid at fill) and electric price be used to calculate the best heating option?

[@mixergyltd6286]

Thanks Colin! - to answer your question, yes the savings for oil would be comparable (% wise) to gas since oil systems also suffer from short cycling - also the price difference between cheap electricity on flexible tariffs will be that much greater for oil when compared to gas. For more information on this, please see our webpage here: www.mixergy.co.uk/mixergy-tank-is-dynamic-tariff-ready-are-you/

[@GNiessen]

Anything like this in the USA?

[@eliotpalfreman1232]

Can you use this with a wood burner with the back boiler on it as it is not controlled by the mixergy?

[@mixergyltd6286]

Hi El, yes you could, however we need to have additional safety equipment - or have the system operate with a vented header tank - if you check with a G3 qualified engineer for your particular installation, they should keep you right!

[@miles2378]

Are these available in the US?

[@garethboyd325]

Is this available in Northern Ireland? No fancy electric tariffs here but I do have Econ7 for charging EV’s overnight. Boiler is oil but also have solar and Eddi. Current tank size is 210L.

[@mixergyltd6286]

Hi Gareth, yes we can ship to Northern Ireland - system works perfect for your set-up and is compatible with the Eddi, just ask for the 'PV ready' version of whatever size you need - you may find that it is more economic to use the tank on the night-rate electric and solar during the day due to the relatively high price of oil and efficiency penalty associated with your oil boiler. If you'd like to get in touch with further details we can discuss this a bit further. www.mixergy.co.uk/contact-us or 01865 884 343

[@mosfet500]

So why is this better than my on demand with a PV preheater tank?

[@alaneasthope2357]

I have got to get me one of these! I've put 4kW of solar on the roof, and have got an 8kWh Powervault battery. The final thing on my list is to upgrade the gas central heating to air source heat pump. One of these would be ideal.

[@mixergyltd6286]

Cheers Alan, please get in touch through www.mixergy.co.uk/contact-us or call 01865 884 343 to find out more. You could get a unit which operates happily with your gas boiler whilst making the most of any spare electricity depending on whether or not you want to prioritise your Powervault. A 4kW PV system provides a lot of surplus energy in our experience!

[@subevo35]

Air source is a waste of time.do your research .

[@alaneasthope2357]

@@subevo35 a bit rude!

[@paulbrowne5049]

How did you find the Powervault battery Alan? Do they have an app? I've also got solar PV and an iBoost diverting excess electricity Tri the hot water tank. What will you prioritise to get the extra juice?

[@hvacgas5292]

Great work

[@BenMillen]

Good episode of Fully plus charged plus...

[@fredbloggs5902]

Please explain the reason for your opinion!

[@UKYanky]

Can they be used with combi boilers and solar PV?

[@TheRaceface22]

Yes

[@randomshift]

So, how much kWh is stored in such tank?

[@mixergyltd6286]

This depends on the size and operating temperature random, but a 210 litre tank is around 10kWh at 60 degrees C - so fairly comparable to a home battery in terms of gross energy storage capacity! That's why we use the 'battery analogy' for this video - we feel it is a good system for storing cheap energy and discharging it when needed!

[@randomshift]

@@mixergyltd6286 Thank you for the answer. Are you also thinking about larger capacity tanks that would not only heat water but could also feed hot water to the central heating system and act as a central heating battery?

[@mixergyltd6286]

@@randomshift This is something that could be done, there just isn't a big demand for this sort of thing quite yet which is why we've focused on hot water ... but watch this space ;)

[@SD-tj5dh]

I saw a comment already about a retrofit mixergy controller to utilise an existing immersion tank. If this is a product that's available I would like to get one! We live in a rented property so don't wish to change the whole installation but if we can adapt the existing installation to benefit our bills that would be great! Can they work alongside smart meters to determine tariffs?

[@pioneer7777777]

Can you get these in the USA? Would be curious to see how this would fit into our markets. Also curious how it would integrate with our gas boiler.

[@mixergyltd6286]

Hey Pioneer, we have developed the systems to operate in the US market, if you'd like to get in touch around pre-ordering/shipping, then please get in touch via www.mixergy.co.uk/contact-us On your question about gas boilers, these tanks work with a 'system boiler' arrangement. In America, many gas water heaters have a flu up the centre of the tank which isn't what we currently do. I hope this helps.

[@philtucker1224]

I think the basic idea is for this system to be able to help to ultimately replace your gas boiler.

[@pioneer7777777]

@@mixergyltd6286 Thank you. Now that I think about it, my parents place may be a good fit for this as they already have a 6.6 kw solar array. Will look into it for them.

[@ozzieparky]

We're just looking at replacing our cylinder for a megaflo style system as we can't get much pressure in the showers without using a pump which is giving up the ghost and pretty noisy to boot. Is this system comparable to the unvented megaflo style system and how does it compare in price (we've been quoted about 1500 quid for a megaflo system including installation)?

[@strybus2355]

So just found out that Mixergy requires an annual service or it invalidates the warranty - €150 a year! Not good! Also they force you to give your private energy use data yo 3rd parties without your consent! Not good. For users who want to understand total cost if ownership, Mixergy are not giving the whole story.

[@katiegreene3960]

Other than software how does it work?

[@caterthun4853]

Nice overview of the system but. I would have liked a talk through the components and connections on the tank. Could have been done by giving link to another video. The tech stuff.. You need to sell this information to plumbers and heating engineer

[@DoctorRetina]

FYI. You can upgrade your dumb water tank to become like this. You can hook up the immersion heater to a smart switch. The smart switch can be triggered by an IFTT scene that responds to octopus agile prices. Granted, you don't get the heating from top down effect, but you can definitely heat when the grid is cheap/clean.

[@keithos6358]

Had tried this a couple of ways... 1.switchbot... Which failed as not strong enough for immersion heater switch... 2. Manual timer to immersion which failed cause electrician bodged immersion on fitting. Imersions also work using strato... Most are at the top of tank so heat. 1/4, tank... But my tank was about 20yr,s old ( no insulation) so seemed worth the upgrade

[@paulbrowne5049]

Is this the same as a Megaflo with iBoost?

[@mikebocchinfuso9437]

I wonder when we in the US will have these

[@jimmyrh247]

Thanks for showcasing this interesting company. Not everything was clear from the video, but I was able to clarify most points by looking at the Mixergy website. I'll be interested to see how Mixergy do. And if there are many reliability or installation problems, as these are quite complicated compared to conventional systems. Oh, and it's not a battery - best to avoid misleading titles.

[@mixergyltd6286]

Thanks Jimmy, just to reassure you we have over 1,000 units running in the field and have had very few issues. For us the battery analogy helps get across the point that these systems are very effective at absorbing surplus energy which can then be discharged as and when needed - if you were to use a regular battery to facilitate this service, it would be very expensive, very hard to deliver the same power output as an unvented cylinder and also degrade quickly if subjected to the depths of discharge these systems are capable of! Yes, not exactly the same, but a useful analogy nonetheless we think ;)

[@TheTrojanhorse2010]

Nice video! Thanks.

[@Chobaca]

Will this be available with full features in Sweden?

[@mixergyltd6286]

Hi Chobaca, please get in touch at mixergy.co.uk/contact-us or call 0044 1865 884 343 and we'd be happy to get a unit to you in Sweden.

[@sanjuansteve]

Let's put a heat sink and a closed loop coil behind every PV solar panel to make the PV more efficient while capturing and being able to store thermal energy too.

[@martinwinlow]

So, what is the advantage of a Mixergy cylinder over Sunamp's phase-change hot water storage technology?

[@danm101]

The price is about 3 times lower (i.e. ~£1200 vs ~£3200 for 12kWh of storage).

[@ThomasBomb45]

Do they sell in US market?

[@mixergyltd6286]

We have designed this so that it could work in the US - if you'd like to get in touch around pre-ordering, please reach out on www.mixergy.co.uk/contact-us

[@timmurphy5541]

It's ok if you can find someone who knows how to install it - I couldn't. Our gas engineer put it in in "dumb" mode with the main efficiency feature not working. After a couple of years there's someone in my area that claims to be an installer but doesn't want to handle the electrical part of it. If you go for it, look first for someone to put it in.

[@HansKeesom]

But how about summer, when solar energy is plenty and the need for hot water is low...... I assume not much action going on in these tanks...

[@pauladams1829]

Private landlords are a big issue regarding efficiency and the use of renewables. The vast majority of us would be better off outlawing landlords or at least pushing them to address this issue.

[@PeterStilwell]

Yeah this is a big thing. Imho making the landlord pay the energy bill is the only way to solve this. Renting price should be quoted at the bottom line: bills included. And then if a landlord wants to compete on price there’s incentive for them to get solar, insulate etc.

[@grumpychops8113]

😂..... 0:25.. Robert's a giant!!!!

[@GeorgeThoughts]

I'm buying a house soon that has loads of south-facing roof space. So obviously I want to get some solar! Eventually, it would be great to make the water heating renewable instead and to remove the house's current gas boiler. It seems that Mixergy would be good for that? I'm wondering if it provides hot water on demand, and isn't like those old tanks where you could run out of hot water half way through a shower!

[@mixergyltd6286]

That's great! we're big fans of lots of solar : ) - by heating only what you need the system is basically like 'on-demand' and at the very least recovers up to 5 times faster than a conventional system. It all depends on what sort of heating system this works with. For a standard electric system, from cold you can get enough heat for a shower in about 20 minutes (rather than 2 hours or more) and if you have a gas boiler, it can more or less run instantaneously depending on the power level.

[@philtucker1224]

Adding 4kw of solar would be a great first step, then you can always use it to heat your hot water in the summer without using your gas boiler at all.

[@sambale9527]

Good stuff

[@fredbloggs5902]

Please explain the reason for your opinion.

[@myozone]

Not that new an idea, I remember my father in the early 70's modding a immersion tank with a semi flatted long pipe with holes in the underside fitted inside the cold water inlet to stop the mixing of cold with the hot water, that helped with stratification of the hot water at the top. He wanted to add another immersion heater element at the bottom of the tank but couldn't solder/braze a mount on the side of the tank at that time. He was incredibly clever using thermostats and timers etc.

[@The_answers_42]

Looks amazing. I wish I'd known about this before I replaced my "Combi" boiler with another. Looked and looked but couldn't find a way to make low(er) carbon fit. Currently no solar, heat pump or storage. Plus there's no hot water tank. It's an older property (1950s)... Now thinking that Mixergy could be the bridging technology to help move to lower carbon household.

[@mixergyltd6286]

Thanks Simon, if you'd like to find out more, please visit www.mixergy.co.uk/contact-us or call 01865 884 343

[@paulbrowne5049]

Don't forget to investigate proper installation first though. Easy winds are the loft but also look into walls, cavity wall insulation and windows of course. Better the reduce your consumption first then look into renewable energy later.

[@constructioneerful]

Intriguing. Wish he had been more explicit about the way it works with a gas Combi boiler. Robert was asking but the mechanism is not clear. The 20% savings (upto) the Mixergy guy quotes suggests the way it works with gas is a bit clunky.

[@justinfowler2857]

Europe gets all the cool toys, water heaters, electric car models, universal health care. In the US we just get coal rolling racists and extra charges if we even think about considering solar power.

[@Snodgros]

A nice piece of kit but the company is let down by their "network" of fitters who can't return phone messages. As for buying from British Gas (as suggested on Mixergy's website) they aren't taking phone calls and are only dealing with boiler breakdowns at the moment (and for the foreseeable future).

[@arthuropod3771]

British Gas are the best argument for transitioning away from fossil fuels. Appalling service.

[@78bookem]

Would be great if it had a Control 4 app!

[@stupidusername38]

So I wouldn't need to combine this with a Myenergi Harvi and Eddi for the tank to automate when it heats the water based on a flexible energy tariff like Octopus Outgoing Agile?

[@dominicgoodwin1147]

Can anybody actually get an electricity tariff in the UK that is linked to grid spot pricing???? That's what this depends on, surely?

[@nigelcharles511]

I don't understand how heat pumps that are designed to be used for underfloor heating (low temperature) can be used to provide hot water (high temperature). As far as I am aware heat pumps are designed to heat a large area by a small amount which is why standard radiators don't work well with heat pumps.

[@mixergyltd6286]

Hey Nigel, heat pumps these days can achieve temperatures as high as 50C (though with a lower coefficient performance) - the tank can get most of its energy throughout the year through a heat pump with a co-efficient of performance of about 2.5 to 3 (ASHP) or higher (GSHP) - on occasions, the immersion element heats instead (when very cold and humid, times during which heat pumps can ice up and become less efficient) - I hope this helps! For more info, please reach out on www.mixergy.co.uk/contact-us

[@he45188]

Can I get one in Australia?

[@mixergyltd6286]

Hey Sue, if you get in touch through our website, we can ship one to you! We have delivered to New Zealand in the past, I think you'd be our first Australian unit!

[@mindaugasvaskevicius1818]

I've been looking about boiler stratification, but I couldn't find any scientific research, papers, all i could find is stratification of lakes and oceans. I still need to hook up my 200 liter boiler and test the stratification for my self( it's not mixergy). Mine has 2 heat exchanger coils electric heater element, recirculating hookup point, 2 temperature probe sleeves, I am going to put third in the heater element thermostat sleeve as well, so I can compare stratification vs thermal conductivity, recirculation and other stuff I might find interesting. Talking about tank cooling, i do not appreciate tanks cooling down below 50(legionnella bacteria) plus thermal expansion and contraction cycles are not good for the tank, That's why my previous tank failed. Now I relay on momentary natural gas water heater.