The Real Reason Tesla Developed The Heat Pump!

The Real Reason Tesla Developed The Heat Pump!
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[@riznrik]

Great video, thanks for explaining things as you always do. I believe there's an error at @2:50, 0.3 Trillion should be 300 billion rather than 30 billion.

[@barongerhardt]

A couple other mistakes that stood out to me. The refrigerant, r134a isn't harmless. It is better than r12 for the ozone, but is still a green house gas and has other issues. It is already banned in some places. The replacements are again a little better, but still have problems. Resistive heating isn't the only reason EVs aren't good in the cold. Colder temps also slow down all chemical reactions and the batteries used are chemical batteries. Hence lower output performance and slower charging to boot. Also, very low temps degrade and shorten the lifespan many types of rechargeable batteries, lithium chemistries are included.

[@nsday1]

yea, I caught that one, too, and was about to say something

[@leonardokremer4493]

Also, Tesla did not lay out a plan to eliminate 100% of fossil fuel dependency. For example, material production is a huge industry; plastics, ammonia, cement and asphaly all require fossil fuels.

[@curtisrader957]

@@leonardokremer4493 Elon has also said its impossible to eliminate fossil fuel usage just reduce the usage and carbon output.

[@lawrencecoleman6998]

picked up that one as well. $300billion sounds much more like it.

[@philnichols5611]

I am a retired consulting mechanical and electrical engineer. During my 52 years of consulting I designed innumerable heat pump systems. I was very active in the early years of geothermal systems in South Dakota, working with utility companies and also architects. I gave up geothermal systems for commercial buildings due to the potential for inaccurate diagnosis of ground thermal properties ( which led to one of my fellow consulting firms design a high school that would not stay warm ). So, geothermal is good, so long as it is successful (duh ). Here in western South Dakota we can sometimes experience sub-zero temperatures, down to minus 20 deg. F. Depending on the quality and design of the heat pump system, you could see the unit running at a thermal efficiency of 1 to 1. This is far from the efficiencies of 4 to 1 at 40 to 50 degrees outside. Also, the total run-time hours in very cold climates is greater, leading to a shorter overall lifespan. My wife and I have four Daikin high-efficiency heat pump systems and one York nominal efficiency system. We also have one "pump and dump" geothermal system that is a water to water system, utilizing a water well for supply and the nearby river for discharge. This system produces approximately 115 degree heating water that supplies baseboard finned heating units and in-floor heat for our sun room. All of these systems are more expensive than typical gas heating systems, but are environmentally friendly. They also add compliment our solar panels and our Tesla Model 3. As usual, you did a great job of explaining how you can get heat from the outside air. My warning to people is to be careful who installs and sizes the system, an good they are. PN

[@Yowzoe]

hey, I am pretty lame at all things electrical and house related. But I do need a heat pump. Can you point me in any direction, or tell me any brands to key in on? Thanks for the advice on choosing your designer and installer.

[@sdhooch]

Ioli.. M.jm.m.mm.m..,. P Pl I'll ok o mml Loli is ..l Ol P Li K Li Mm,. . . let me Opll Ok I'm Ui P In our ooo I'll IL O L Mmm.. It all Oh

[@Poxenium]

Bjorn Nyland from Norway just made a video expalining what system he got for a new house. Air-to-water heat pump, so he'll heat the house with circulating hot water and the same heat pump makes hot water for bathroom/kitchen.

[@michelangelobuonarroti916]

I predict that geothermal will improve. Too much demand for it to not. Might need better soil or hydrologic analyses.

[@crispybacon7937]

The problem is when you live in a climate that actually gets down to temperatures around -34C, -30F. When a heat pump fails to heat your home because you arctic air decides to pay you a visit, why should some blowhard in New York that gets his avocado spread imported from California via airplane or train tell me I can't use natural gas to heat my home? I think this would has enough room for some fossils fuels, since most climate models fail to accurately accommodate for forest fires and volcanic eruptions, which spew gargantuan amounts of CO2 into the atmosphere. And they have been for millions of years. Technology is great and is a boon to our quality of life as well as our livelihoods, but sometimes they aren't and a 1 size fits all method is not what this world needs. People know electric cars work in cold climates they just don't work that well. You get half the milage, and in a state where there may be over 300KM, 187 miles between cities, it might just mean your death if your car doesn't make it. Improve the technology and people will buy it, and for God's sake use the benefits of stuff that actually.matter to people like quality of life and cost savings to convince them.

[@pamgyang803]

$0.3T is $300 billion, cost for the heat pumps, not $30 billion. Still an economically okay cost in comparison.

[@dezibeldani]

Wanted to say the same, but looked first for other posts. 🙂

[@keepitrealrahul]

Haven't even finished the video, but just wanted to see if anybody else caught this 😀. Now back to watching the rest of the video.

[@natehirt4297]

How many people starving is that, again?

[@slowercuber7767]

@@natehirt4297 fewer.

[@EdzCreationz]

​@@natehirt4297 Throwing a trillion dollars at the starving people and it wouldnt change shit, solving hunger is not a question about money, believe it or not

[@bartschrodernz]

In New Zealand, about 40% of homes use a heat pump. All new homes have them. Still some way to go though! Off course all heat pumps do both heating and cooling. We use them in our Ski Lodge with outside temps down to about -12 deg C, and they still work fine.

[@mikechan231]

Heat pump heating/cooling systems have been taking over the HVAC market on new construction for years now- even before Tesla started talking about them.

[@CBeezyDSGB]

Ac technician here… heat pump tend to freeze up at the condensing coils in outdoor temps below 32 degrees. So outdoor unit must defrost every 30/60/90 minutes if the outdoor coil sensor is triggered (depending on board program). Defrost operation means the hot refrigerant goes to the outdoor coil to thaw the ice but the cold refrigerant goes inside. This means the cold air will blow out of your vents in heat mode. To compensate the cold air. Most heat pumps engage auxiliary electric heater elements to provide heat at that point. Heater elements draw a ridiculous amount of electricity compared to a heat pump. So my point is if we are still burning fossil fuels for our general power grid then the emissions are not going away they are being transferred to the initial power station that is having to create more energy to run the electric heaters. Most gas furnaces are 120v and hardly pull any electricity

[@eduardovinhasdesousa7391]

I am a retired HVAC engineer in Portugal and I believe we can always increase efficiency sometimes by adding small changes and approaches. Let's keep our minds open and never be comfortably resigned that we achieved the peak of perfection.

[@aftonline]

I think that the best way to explain a heat pump is to think of how your freezer gets warm at the back when it is running, and just imagine that by running a heat pump you are reversing that, and essentially making the outside air even more freezing cold than it already is, while making the inside of your house warm. You are turning the outside of your house into a deep freezer compartment. Because the amount of relatively warm air out there (compared to a deep freezer) is practically infinite, you are never going to run out of heat to warm your house.

[@davemarsh6912]

Heat pumps YES - but only with quality insulation in our structures

[@toddsmith4280]

I hope this happens sooner as opposed to later. Would love to see a heat pump line at each gigafactory.

[@williamrogers4290]

I wasn't exactly impressed with the heat pump idea in Northern climates until I saw numerous applications in Japan. I would be interested in learning how I could possibly incorporate the cooling component with a Warmboard radiant floor heating system. Can I cool the floor and coverings to cool a home? Maybe even use the water heater to augment the heat pump in the winter in a Northern climate?

[@superspeeder]

Warmboard is prohibitively expensive. If you’re rich and bored, go for it. If you’re on any kind of a budget, don’t waste your time even looking at that product.

[@dewpanic]

First, interesting video. Second, (minor error) .3T is 300 billion

[@justinmason5307]

Heat pumps are awesome, I installed Mr Cool in my entire house 2 years ago, night and day comfort, massively less expensive to operate. Opposed to forced air, and 2 roof top master cool evaporative coolers. Heat pumps are definitely the way to go. -JM

[@martinmuldoon603]

Where do you live, actually heat pumps freeze below 15C therefore in many cases are false economy, most manufacturers hide the fact by adding reverse flow of gas to thaw outdoor evaporation coil or many do even worse, add an electrical resistance heater, that is pure dumb but the average user dose not know that so these companies are scammers positec a product that is not fit for purpose. A lot of people are paid to give fake reviews etc, however the fact remains these things dibble work in cold weather when you actually need it to. Sorry to rain on the heat pump industry parade, I speak the truth so I will be silenced by big corps. I have done my own research but testing units. I can back it up. Fake technology except above 15 deg Celsius whatever that is in Fahrenheit, humidity also will have a varying effect on freezing. One lie used by these heat pump pushing sales people is: on cooler weather humidity is always lower and while that is partly true efficiency goes down quite a lot as well as humidity holds a lot of heat energy.

[@clariplayer]

We have been using heat pumps here 🇦🇺for a very long time. We don’t go below freezing yet have found the lose efficiency at low temperature. The newer ones must be getting better.

[@mnsawmill2904]

If Tesla made one competitively priced that worked well in MN I would buy it today.

[@GrigoriZhukov]

Or Montana.

[@stevekundzala676]

Too cold up North! Won't work well in temps under 40deg

[@user-ln7of9gs4s]

@@stevekundzala676 false. Down to -13 they can provide 80% of rates BTU capacity in certain mini splits. A standard heat pump unit that most houses use, and mini splits are vastly different.

[@stevekundzala676]

@@user-ln7of9gs4s Thank you! I didn't KNOW that, but suspected that a special unit may have better specs. I would NOT have guessed -13!

[@user-ln7of9gs4s]

@@stevekundzala676 look at Mitsubishi mini split units with Hyper Heat. They also have a base pan heater in the outside unit. Mitsubishi has standard mini splits that heat and cool and higher tier that do the same but have different heating ratings for different outside temps. The seer ratings are different. They have units that from 6-12k btu that have seer ratings if 26-33 seer. You’re welcome. Remember, a heat pump in a Tesla provides heat regardless of the temperature outside, to my knowledge. Think about that.

[@donsmith717]

When you think that there's not much heat at say zero degrees F, and therefore not much heat energy available to add to your 65 degree house to heat it, you may be forgetting that any temperature above -460 F has available heat. And that zero degrees outside has a huge amount of heat compared to -460F and with the proper machinery, all of that heat is available to move inside. A similar argument works in the other direction to cool your house, though with different numbers.

[@muskepticsometimes9133]

Problem is efficiency drops w temperature. In Minnesota winter not great

[@donsmith717]

@@muskepticsometimes9133 True, the energy required for the heat pump goes up with lower outside temperatures and so does the cost to operate, but that doesn't eliminate its value.

[@muskepticsometimes9133]

@@donsmith717 it reduces net value to zero at some point, and then negative net value. Look it up

[@garethrobinson2275]

​@@muskepticsometimes9133 You have to add up all the numbers to see the cost, not only look at the edge case for bad news.

[@muskepticsometimes9133]

@@garethrobinson2275 electricity costs more per Joule than gas. Heat pump advantage is efficiency which declines w temperature. You can't simply proclaim cold weather an edge case

[@russmartin4189]

The world is definitely ready to switch to heat pumps. They are already in wide use in many countries, especially those without gas lines running all over the place. Heat pumps reduce the cost of heating a home if you have electric heat, by 66 percent, and 33 percent if you have oil or gas. With Tesla's heat pump, which will no doubt be more efficient, the savings will be greater.

[@ceesheemskerk2397]

But they need a lot of maintenace.... A gas boiler don't!

[@simhedgesrex7097]

@@ceesheemskerk2397 It's recommended that you have them serviced once a year, just like a gas boiler.

[@russmartin4189]

@@ceesheemskerk2397 WHAT? ARE YOU KIDDING?

[@simhedgesrex7097]

@@barongerhardt As volumes increase, heat pumps will get cheaper, but here in the UK the aim is to reach a point where heat pumps are on a par with gas heating, so that as people age out their gas systems they will use heat pumps (where appropriate) to replace them. Poorly insulated homes tend not to do so well with heat pumps, but at the moment there is a lot of low hanging fruit. Also Tesla have done a great jobs of simplifying and streamlining the production of heat pumps for cars, and maybe they'll move into the home/office heat pump arena too.

[@barongerhardt]

@@simhedgesrex7097 I think for EVs, sure. ICE autos already have a free heat source. In the home, heat pumps are already a fairly common option and have reached near price parity with AC units. They will never get as cheap to produce, nor be as reliable, as the much simpler techs of resistive heating or combustion. The operations costs are where they get competitive, but we should also look at maintenance and get to a total life cycle cost. Your insulation comment is interesting. I would assume it is some combination of under sizing of the heat pump and the larger temperature delta for heating vs cooling?

[@craigruchman7007]

Why Tesla has unlimited growth potential. Car batteries leads to utility scale battery storage, FSD gives us Optimus robot, Octavalve gives us home HVAC. With no end in sight, it’s wise to hold onto your shares.

[@Scootdog8472]

My top of the line Lennox Heat Pump doesn’t even come close to the efficiency of natural gas, when temperatures are below 20°F. It gets even harder to pull heat out of the air the colder you get. -60°F in Alaska, good luck.

[@paulm1303]

Small error at 2:50, $0.3T is not $30 billion, it's $300 billion

[@ManuelMunoz-vg6oj]

Could the heat pump work like pressuring or depressuring heat or cold in houses from the environment.

[@MrWillvanausdal]

R-134a is a potent greenhouse gas with a GWP (global warming potential) value of 1,430. In other words, the greenhouse effect of the R-134a refrigerant is 1,430 times the 100-year warming potential of the same volume of carbon dioxide. Not harmless.

[@pplusbthrust]

I do not remember ever in my entire life long experience of dependence on a combustible gas being told it is unexpectedly unavailable. Electricity on the other hand has become unexpectedly unavailable hundreds if thousands of times.

[@jonbbbb]

It can happen, but it's rare. I had my gas shut off because of a leak in a supply line outside my house, it took a few days to be fixed. Electricity of course goes out many more times. That being said, if you have rooftop solar and a battery maybe it's comparable?

[@curtiswfranks]

I am not correcting you, but just providing a reading suggestion: You should read /The Grid/.

[@user-xv1vm5xc1f]

Bro where do you live that your electricity runs out

[@yootoober2009]

​@@user-xv1vm5xc1freally.... Texas?

[@user-xv1vm5xc1f]

@@yootoober2009 I thought that only happened once or twice. I wouldn’t say Texas is out thousands of time. That’s like outages every hour.

[@Starship007]

My brother owns a geothermal heat pump. The earth is always 50 degrees several feet below the ground winter or summer. Less energy differences to fight against air vs ground. Smaller unit needed vs a traditional separate furnace and air conditioner. There are additional Optional inexpensive metallic strips than can be added in the blower vs a separate expensive reserve resistance or gas furnace. It does not take that much more additional heat added to blower to really make things warm. My heat pump puts out 110 degree air

[@trashbeansoup2467]

Help if the source of the heat was factored into the heat pump. Draw heat from a glass enclosed conservatory on the sunny side of a building in winter. Dump heat into a shaded space on the cold side of a house with directed air circulation in summer. Draw off any heat from where it is not wanted to where it is wanted ie Hot Water system and cooking. Pay attention to where you want the heat and you should cut out a lot of system fighting system. Also design systems to draw heat from solar panels to cool them so they are more efficient and last longer. Add heat storage into systems because it is cheaper/simpler to store energy as heat than electricity. This includes designing buildings to NOT waste energy and be passively comfortable.

[@marcwolf60]

Already running heat pumps in our house. Have 4 air split system airconds, and one of those is a reverse cycle unit in the bedroom.

[@cbrbird]

Interesting. There is already a big block of business manufacturing and installing heat pumps all over the place. They are already a no-brainer if you are looking at long-term return on investment for the home-owner, whether retrofitting an existing forced air gas/oil/electric forced air system, replacing baseboards, or building new. I think that they must see opportunity in the commercial environment (ie office, factory, institutional, etc), though I'm not sure...

[@joemurray1]

I am sorry to say that despite your voice-over being mostly fine, and the diagram introduced at 5:22 being fine, the one appearing at 5:41 and again at 6:13 has incorrect labels on the two heat exchangers. The outdoor exchanger is the evaporator and the indoor one the condenser, because this is what happens to the working fluid (refrigerant) in each. It is the latent heat in going from liquid to gas and back again that is being exploited. The compressor squeezes the gas into a superheated vapour which the indoor heat exchanger condenses into a liquid while giving its heat to the indoor air, and the expansion valve allows the liquid fluid reduce in pressure making it cooler (much colder than outdoors), which the ambient temperature then boils back into a gas. In a reversible heat pump, with a few extra valves, the roles of the two heat exchangers can be reversed. Otherwise a great video giving insight into how Tesla's engineering team is streets ahead of the competition.

[@witzed1]

I think you could have improved your heat pump explanation by just explaining that heat is a thing and cold is just the absence of heat. Above absolute zero the air always contains heat. Heat pumps extract the outside heat and moves it to the cold place using the refrigerant that mechanism that you explain. Just like your refrigerator. it uses the same process in reverse to cool your house. Heat from the house is moved to the hotter outside making the outside still hotter (at least locally) and you house cooler.(relatively).

[@Yowzoe]

I can't wait for the Tesla heat pump. I mean I really can't wait for it, I need a heat pump now for my 1450 ft.² house on two levels. I'm using baseboard now, and I'm ready to do this and other upgrades. Question: what are some makes of heat pump that I should be looking at… What is currently the best that there is? Thanks

[@alberthartl8885]

Mitsubishi, LG, Daikin

[@Yowzoe]

@@alberthartl8885 ty

[@frankiefx9266]

Ok, Tesla developed an air conditioner that can run "backwards" - just like every other modern AC. But there is one thing that was not mentioned in the video: The main difference between a Heatpump and an AC is the location of the heating/cooling element. With ACs these heating/cooling elements are located high up below the ceiling of a room because cold air sinks down to the floor. This is great for cooling but bad for heating. The heating/cooling elements of heatpumps need to be located at the bottom of a room or even inside the floor in order to efficiently heat the room. Heatpumps can also become quite inefficient if the difference between the outside temperature and the desired temperature is too high. That's why it is inefficient to use radiators with heatpumps as radiators typically require temperatures of 65 C (150 F) or higher. The best option for heatpumps is floor heating because it usually operates at temperatures around 35 C (95 F).

[@lpmo3793]

134a is defently not harmless. Its global warming potential is still 1000 to 3000 times higher, compared to CO2. A lot of inovation has to go into refridgerents to develop climate friendly, safe and efficient heat pumps.

[@albinosan4744]

The les Harming refrigerant is actually the 1234yf not the 134a

[@jaimeduncan6167]

Very good video, and a nice simple explanation of the heat pump. A minor detail: 0.3T is not 30 billion, it's 300 billion dollars. Still far less than cars, if Tesla's numbers make sense. The difference could be greater if we run out of Lithium for a while.

[@david9920]

Heat pump is good efficiency could be greatly improved if you could tie it into public water supply safely would make ground source pumps verrey practical

[@ManuelMunoz-vg6oj]

I guess pressuring cold or depressuring heat or viseversa in houses from the environment.

[@lawrencecoleman6998]

Yes! I definitely believe he’s on to something huge! Still can’t believe transitioning the worlds home and business heating will only cost $0.3T. The sooner Tesla can produce these units at scale and to an affordable price point the better.

[@orenw5085]

would be good if you could at least mention the efficiency of their heat pump ....

[@ManuelMunoz-vg6oj]

Simply pressure or depressure in houses from the environment for better temperture. Good

[@yolo_burrito]

The Tesla Heat pump did have a bunch of teething issues though right? Have those issues been solved? IIRC it was compressor ingesting liquid coolant and grenading.

[@98grand5point9]

The problem is that I can cool my house with 3 tons of AC, but need at least 7 tons of heat pump to heat it. Delta t summer 30 degrees F, winter 80 degrees F. If I increase my insulation then I still have to have a considerably larger unit for heating than cooling. Extremely inefficient. I'll keep my 96% efficient gas furnace. For now replace all the old inefficient furnaces and boilers first.

[@williamr.kirkland6317]

Go for it man. You can do it!

[@NickClarkDrums]

So in the future, are all air conditioners and heaters just going to be in the same unit? Do you think we'll still call them AC's or are we going to switch over to heat pumps.

[@MDGrimus]

*0.3 Trillion = 300 Billion not 30 sorry I’m not trying to be obnoxious. Love your videos

[@3D_Printing]

3:12 Yes, they Move heat from outside to inside, pump the heat but what will all that heat out the environment do to the environment? It will be freezing outside plus other Major impacts especially on wildlife which will impact on humans

[@simonpannett8810]

Really hope Tesla can manufacture these at scale for houses and at much lower costs!!

[@soeren72]

What is it that you think you are getting with Tesla, its a normal heatpump. Whats is impressive is how it integrates into the parts of the car with the super manifold. And that part is not needed in a house. There are much better heatpumps out there for houses, with a much higher SCOP factor

[@rampant59]

Your hole in the ozone layer back in the eighties is just too funny for words. The bs meter jumped radically when you served that cup of Kool aide

[@johnturner7322]

I live in NC and my house uses a heat pump for A/C & Heat. I don't have access to gas.

[@JXZjeremy]

Their gonna do it. It just makes sense on so many levels and the Tesla ecosystem. One day I'll pull up in my Tesla Car to my Tesla house. Cash money.

[@chengtsai8323]

thank you for reporting on the Tesla master plan, I don’t think I’ve seen any report on the heat pump angle. This video could stand a quick edit: “heat density” are not the correct words. it would be more correct to say move from one reservoir to another. Likewise, it would be more correct, to say convert electrical energy to heat, rather than increase heat density from the battery. I would have loved to hear if they were exploring different refrigerants, because while it is correct, R134A (and r410) are not as ozone depleting, they are heat highly potent heat trapping gases which is exacerbating climate change (look up heat trapping potential).

[@mmnnmt]

What a company Tesla is. Their ideas are bottle necked as taking to production takes time. But they're shaping the future for us all, causing other manufacturers and politicians to wake up. Very exciting.

[@swaterman08]

for the East Coast we need a Heatpump/Hydronic Boiler

[@Sagittarius-A-Star]

Despite his Twitter adventure and some other clangers Elon Musk is vital for the survival of our species ( not that this would be really important ... ). He kicks the asses of a lot of CEOs in various industries and always has the most ingenious product. He not only knows a lot about his products ( which CEO of a big company really does? ) but also is able to get the brightest minds to work for him. I wonder how he does it - I wouldn't know. This also must be a special talent.

[@JMin2404]

134a is not harmless. Even if it doesn't damage the ozone, it is still a greenhouse gas that is 1,410 times more potent than CO2.

[@kkallioj]

Unfortunately Teslas heat pumps fail frequently. My friend's new MY had it's pump fail at 3 weeks old. Many have had their pumps changed several times.

[@gilbertjaramillo8735]

Sure hope the design hits the residential market soon. My current heat pump does not work at all in temps below 40 degrees. I just turn it off and use space heaters throughout the house.🥶

[@Shmatco2009]

well put together video - impressive - thank you

[@Squeezmo]

Resistive heat is not low efficiency. It is 100% efficient since the waste energy is expressed as additional heat. The reason heating with electricity is expensive. It is because of the hardware needed to transfer electricity to the heating unit. This includes the high tension wires and transformers and dams and nuclear power plants. Heat pumps are now up to five times more efficient than 100% because they do not create heat. They just move it.

[@necromancer0616]

I say if the scaling up of the heat pump can stabilize the power consumption of lets say Europe then give it a go.

[@zoltang1660]

Relying solely on an electric heating system could be RISKY. Without a functioning power grid, the electric heating system would be unable to provide heat to the home, leaving the occupants without heat in cold weather. Additionally, if there is a high demand for electricity during extreme weather conditions, such as a heatwave or cold snap, the power grid may become overloaded and fail. In such cases, an all-electric heating system could contribute to the overload and make the situation worse. In areas prone to natural disasters, such as hurricanes or earthquakes, the power grid may also be vulnerable to damage, resulting in power outages. In these situations, having a backup heating system that is not dependent on electricity, such as a gas-powered furnace or a wood stove, can be crucial for keeping the home warm. In summary, relying solely on an all-electric heating system can be risky in the event of a widespread power grid failure. It is important to have BACKUP heating options available, particularly in areas prone to natural disasters or where power outages are common.

[@Ritalie]

So a heat pump doesn't just move heat, contrary to popular opinion. In fact, a heat pump is an "Overunity" Free Enery device. There is no mechanical device that you can make that can produce the energy that a heat pump can produce. That's because the energy is actually coming from the magical properties of the "Refrigerant" gas. And the gas is never consumed, and so the energy is not coming from the gas. The energy is coming from the background environment. Ultimately the energy comes from nowhere, as the gas contracts and expands, energy is instantaneously created from absolutely nothing. When you compress a gas, it heats up. But there is no heat being added to the gas, and the gas is not consumed.. And what's strange is the process is more than 100% efficient. The amount of heat energy created is more than the energy it takes to compress the gas! Many people try to ignore this fact, and they try to pretend that a heat pump is a "normal" machine. But it's not a normal machine, it's a futuristic machine that "shouldn't exist" according to modern physics.

[@EdwardTilley]

Great video and thanks for pointing to the teardown of the mustang and tesla equivalents.

[@achristian7015]

0:10 best done by cutting back on manufacturing and production. Vehicles are a grain of sand in a sandbox compared to everything else like shipping, aviation, factories.

[@camlegs2423]

The first item for a Heat pump, is the buildings properly insulated? If not, then spend the cash insulating the buildings.

[@bryanstrom812]

So it's basically a refrigerator (and a refrigerator is also a heater/ heat exchange unit). The energy used is then in the compressor. So there is not "free" energy. But if the power comes from wind + solar + battery storage, it's a win. Just like batteries multiply the value of wind & solar, the trio of wind, solar & batteries make heat pumps better.

[@JustDItY]

I hope he does and soon. My ground source heat pump is 15 years old.

[@robertn2951]

This is great education!

[@IndyMac16]

Really looking forward to this.

[@GreenMntMoto]

Is there a radiator?

[@Martinko_Pcik]

There are many house heat pump manufacturers already. I don't see how Tesla would lead in that market unless they manage to sell it for an amazing price.

[@linuxgeex]

Induction is better than gas anyhow. It's every bit as instant, but it doesn't heat the room up, doesn't require ventilation, and it's effortless to install.

[@kylek1556]

Why don’t restaurants use it then. Because it’s not as good as gas.

[@MrAdopado]

@@kylek1556 Because restaurants need to optimise costs. Constantly running electric hobs costs more than gas.

[@kylek1556]

@@MrAdopado not true at all. The best chefs choose gas every time. It’s not a cost thing, it’s what’s better.

[@mwaldyke]

I am watching for a heat pump from Tesla. I have been impressed by Tesla's engineering so far. I own a Model Y and a PowerWall battery for the house. We would like to change over from a gas furnace to a geothermal heat pump in the not-too-distant future. I would be very interested to see what Tesla offers in that market. If it is up to the engineering standard of their other products, I'm in.

[@artn2950]

C’mon Elon!! I only have two years left on this A/C. So I need a new one one by 2025! 😅

[@Jesayou]

Also R134a is still terrible for the environment but the EPA mad strict standards on capturing storing and disposal of R134a that are now seeing a shift how people treat it to what we should be doing with refrigerant making sure its environmentally and economically ethical

[@thomasmcnally563]

great video

[@jesserawson898]

At date the cost of electricity is 3.5 x the cost of gas. Allowing for gas heating inefficiencies, the cost of electric heating (heat pump) vs gas heating will be around 3 x the cost of gas. On that basis with an assumed coefficient of performance of 3 for a heat pump, it will cost as much to heat my house with a heat pump as it will with gas central heating. Thats in approximate terms of course. That means a C.O.P. of at least 3 is needed to break even on costs. While that may be good for the climate, it will do nothing to chip away at the cost of the extortionate heat pump installation. Only if the C.O.P. can be raised to more than 3 will we get a return on our investment. This is possible at the moment, but only under ideal conditions which exist infrequently. All this makes it very difficult to justify a heat pump as a way to reduce energy bills in the days of rocketing energy costs. We still have a long way to go for the vast majority of the population to feel a heat pump installation is a worthwhile investment. Only eco-warriors are likely to be enthusiastic about installing heat pumps at this time, apart from the many who have been basically conned by salesmen into investing huge sums of money in a heat pump system. The financial return on the investment will likely be very small indeed.

[@jonathanrichter4256]

$0.3 trillion is $300 billion, not $30 billion.

[@arthurwagar88]

Go heat pump. Very informative comments.

[@richb2229]

My house is currently heated with a heat pump, but is no where near as efficient at teslas. The heat pump is Tesla’s new product that few have an eye on. And, it should be relatively cheap and easy to manufacture globally.

[@djmotion86]

This video does not explain what the improvement in energy efficiency is for this design, just that is more efficient to manufacture vs conventional ac system.

[@christinearmington]

I absolutely want one. Or two. ❤😂🎉

[@af0ulwind115]

refrigerants never reached the ozone in the 80s or 90s.... the compound is too heavy to reach high enough to effect the ozone in any way

[@murc111]

So would the Tesla heat pump (if they make it) replace my natgas furnace and my A/C? I assume it would use my ductwork...I hope, I don't want an ugly mini-split type setup for every room.

[@ManuelMunoz-vg6oj]

Heat pump for a more energy-efficient car like Tesla like a human confortable in a pool after he has reach a stable temperture and energy of the water in the pool

[@Karl_Zero]

.3T = 300B not 30B 😂

[@doobiedoo5450]

Not $30B for transition to heat pumps, it’s $300B. FYI

[@gullepomp]

Time for Elon to make the product Tesla was working on. Free energy.

[@5ervicemonkey]

6:25 no no no reducing pressure causes refrigerant to become liquid??? No no no. You’re making it way too complicated AND you’re wrong. Refrigerant always flows from the expansion device to the evaporator, the cold part, the place where refrigerant vaporizes. Here’s how air-conditioning works. A large amount of heat is required to make something boil. A large amount of heat is released when something condenses. Air conditioning happens when you make a chemical boil at about 35° and make it condense at about 110°. The compressor produces a hot vapor. The vapor is cooled and condensed, becoming a warm liquid. That liquid is sprayed into the evaporator. The decrease in pressure vaporizes some of it immediately and the temperature drops to correspond to the pressure. The remaining liquid boils as it picks up heat. The resulting vapor travels back to the compressor. Refrigerant is just a chemical that can boil at some low temperature at a certain pressure and then condense at some high temperature at some different certain pressure. The chemical (refrigerant) that you’re using should do this at reasonable pressures, not be corrosive to the materials it’s touching and ideally being not toxic, flammable or harmful to the environment if/when it leaks. The heat pump is similar except refrigerant needs to condense at a temperature above that of the indoor air and then boil at a temperature below that of the outside air. Electric heating is just sending electricity through a conductor with the right amount of resistance. Watts equals volts times amps. It’s simple and cheap up front but expensive to run. Heat pumps operate at a fraction of the power. BTW modern refrigerants are not harmful? False. The ozone depletion factor is very low or zero but many are considered greenhouse gases similar to methane. Thanks for trying to explain this but please be factual.

[@lyfandeth]

YOU get over it. I'm calling the Agway in the morning and ordering a dozen of their largest propane tanks, so I can still cook with gas. And every baker will tell you they don't bake the same. Gas is a wet heat.

[@mikejones6898]

YES

[@chadwickhjones]

2:52 no. 300 billion

[@dukie1616]

That T heat pump is just small enough to integrate into a EV space suit.

[@geoffreykeane6394]

Elon is incredible

[@ajb7530]

Elon and his teams are incredible for doing a great job.

[@soeren72]

He does also sell allot of snakeoil like : hyperloop, solar roof, robo taxi, tunnels, flying cars

[@AndrewMann205]

You say to get rid of fossil fuels. What energy sources are used to mine and manufacture steel and aluminum used in Tesla products.

[@yamspaine]

hot water, refrigeration, heat, computer cooling... all in one

[@justincase5272]

Tesla: You MUST combine the Heat Pump with the HEAT ENGINE, the ability to take two disparate temperatures and generate electricity. Use sun during the day to heat a thermal batter. Use the temperature difference at night between the thermal battery and ambient temperature to drive a heat engine which turns a generator, powering your microgrid.

[@scottfranco1962]

Tesla is not the first one to apply heat pumps to cars. The Nissan leaf had this capability back in about 2017.

[@MrAdopado]

Indeed ... and since 1856 for non-car applications!

[@mikesbasement6954]

Tesla had one significant advantage over existing car manufacturers: they weren't trying to refit existing production lines. Ford and the others already have factories, so when they design a new part they try to make it work within the constraints of the existing systems. Tesla just builds something new specifically for it.

[@MrAdopado]

There's nothing stopping legacy manufacturers actually designing dedicated EVs from scratch but they still want to adapt their old designs that are less suitable. It's like they are only dipping their toe in the water when they need to jump right in! They'll get the message eventually but some risk going to the wall before that happens.

[@soeren72]

And the others have the advantage of knowledge to produce a car without massive panel gaps , Way better interior, and better handling.