That's... Kind of what it already does though. It's just that it's not cooling the inside enough to heat very much of your house.
this post was submitted on 23 Apr 2026
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Why did I have to scroll to the bottom to find this? Like, where did you think the removed heat was going otherwise???
Wow, I wooshed myself even harder than they to whomst I was replying. Good job me.
HVAC is just the Patrick star push the city meme with heat
Heat is stored in the microwave.
They literally do that already. Heat doesn’t vanish from your food. It’s moved from the inside of the box to the outside of the box.
It’s an air conditioner built into a cooler.
that's the joke. i tried to imply it in the title but i didn't realize that in english you call it 2nd law of thermodynamics rather than 2nd rule
Yea I guess that should have been obvious to me. Sorry.
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Okay, but hear me out. If you reverse it, you'll have a heat pump oven that also cools your house. 🤓
Would be great for people that love yogurt.
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Fridges have always been doing that for ages. I'd rather not let them dump heat indoors and instead move the heat directly outdoors to keep my air conditioner from running too hard.
Best part: every fridge in every house already does this. You just collect the money!
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weird kitchen, if i am cooking on the stove and i want an ingredient from the fridge, i have to walk around that wall, and we know that's something we do multiple times
I mean, it's AI generated, so it isn't going to make sense lol
And the fov is likely from a hallway, dining, or living room. All weirder choices for a normal fridge if you decide on a separate kitchen. Then again everything in the pic screams unthought-out/unpleasant layout of a western suburban hellscape.
if you're cooking on the stove but the fridge is next to you and pumping out lots of heat that heat may inadvertently make your food overcooked.
the startup entrepreneurs have thought this through. give them some credit.
Or the heat could be used for cooking kebab on a vertical rotisserie. Which is more convenient done away from the stove, on the other side of the wall, facing the living room.
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Id rather have one that sends it's heat outside the house so my AC isn't fighting the fridge. And reverse that in the winter.
The fridge would actually have to work harder though, to maintain a larger temperature difference between its hot and cold sides. So it'll likely use more energy than the way fridges normally work.
In winter, if it's cold enough outside, refrigeration may not actually be needed. You could just pump coolant between inside the fridge and an external radiator to cool it.
But, now you have a more complicated system that requires more permanent installation into the house, and also has an outdoor radiator that needs to be maintained so it doesn't get clogged with leaves or damaged.
Not too worried about how permanent the installation is. I mean how often do you move the fridge around your kitchen? Besides, these days a lot of them have a water faucet installed for the ice maker anyway. As for efficiency, the AC has to fight the same gradient already, but with the heat being dumped inside it has to overcome it twice.
It would add complexity and points of breakage, so it would need to be a robust enough system to make it worth it, which fights against it adding enough efficiency to be worth it.
Considering that there are news about newer smart fridges displaying ads. Then as soon as that happens.
Throwing a standard fridge out the window can already be kinda difficult.
Doing it to something that's permanently installed is going to be much harder, though maybe more cathartic due to needing to use a crowbar.
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permanent installation into the house
We have those. Built in fridges are hella expensive.
outdoor radiator that needs to be maintained so it doesn’t get clogged with leaves or damaged
Ditto. Just not hooked to the fridge.
In winter,
Weirdly, winter can require heating the fridge. Also, depending, it can be really hard on the pump. There are specific fridges made to handle garages (most people use a junk fridge and put low value items that do not require refrigeration, but are more enjoyable cold, in it.).
The fridge would actually have to work harder though, to maintain a larger temperature difference between its hot and cold sides. So it'll likely use more energy than the way fridges normally work.
I think their idea is to still use the chill air from the room for cooling the heat exchanger of the fridge, but transporting the then hotter air outside of the house (like a proper kitchen hood does) instead of keeping it in the kitchen.
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No joke, I think thermal networking will one day be common in homes.
It exists to some extent already in large commercial building design if only because the business sense of the added efficiency is easy to illustrate at that scale.
i want that too. lots of houses already have hot and cold water lines so it shouldn't be too hard. problem is getting appliances to adopt a standard on how to connect to this network
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Can anyone explain why almost everyone operates a fridge inside a heated house in winter while there is "a fridge outside". Would the fridge not need less power to cool down the insides when it's already cold outside?
Am I really the only one in this world with a fridge outside?
This was originally what cellars and basements were for. Ground temperature was stable relative to outside temperatures, so it was warmer than freezing during winter but colder than outside during summer. Thus it could help preserve food.
Some old farm houses still have that around here. But it is outside below a small hill or a slope. Some call it Kartoffel Keller. And some still use it for long time storage.
Sometimes they’re called a “root cellar” in the US, as they were often used for storing root vegetables; carrots, turnips and potatoes. So common etymology there.
- Stability. Temperature outside fluctuates, food could freeze or get too warm.
- Containment. The fridge prevents critters from getting to your food.
- Location. The fridge is conveniently located in the kitchen.
In winter I do tend to keep drinks outside if the temps are alright, they cool down faster outside than in a fridge anyway.
I am using a fridge outside: It is like a small balcony first floor with a roof and cool most of the year. So #1 and #2 are checked. For #3 I have a small Japanese compressor fridge in the kitchen, only for the very important daily things like milk. The mustard stays in the outside fridge. The kitchen fridge never uses more than 30W for cooling. But only IF it runs. So that checks #3.
Fridge is expensive, only have one.
Fridge is large and heavy, not worth trouble of moving outside.
Waste heat from fridge go to heating house anyway with efficiency above typical resistive heater can manage before even consider double benefit of also cooling food.
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Real easy answer: keeping a fridge cool during a very hot summer outside requires a more powerful cooling system. Instead most people have a powerful AC since you want the house cool anyway, with a cheaper fridge cooling system
The reverse is also true. You wouldnt want your fridge to require a heater installed in it to keep your food from freezing in esspecially cold winters
Mucki said in winter.
To your second point, if I can deduce by the feddit.org that Mucki is in Germany, the winter outside temp will swing between -5° and +10°. The isolation of the fridge might be enough. But I sometimes put a stew or soup just outside on the balcony without a fridge.
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if you're already heating your home, then what does it hurt to have the fridge do a bit more of that?
in fact, the fridge is a tiny heat pump using your food as the reservoir. so unless your house is heat pump equipped, it is beneficial energy wise to keep the fridge inside.
if your house is heat pump equipped, then it depends on how the efficiency compare. if you put lots of hot food into your fridge then you should ~~definitely~~ probably keep it inside.
Don't forget that refrigeration is costly tech magic though. Power hungry and requires toxic chemicals.
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Yeah but now you've got to find a place to store or how to discard all the little arrows, and the orange light probably is too bright at night
This is why I don't think fridges should have their own cut out. It blocks the air flow
When I was a kid, our family dog would drag his blanket to our fridge and spend the night bundled up in front of it (where the exhaust heat was)
startup idea: fridge with warm little nook for dog
I have a better idea
One system that is both an Air conditioning system that uses waste heat to heat water. And uses waste "cold" from heating water to cool house.
I can get you half way there with a heat pump water heater.
Thats the point, they both use the inverter based heat pumps, they even use the same refrigerant. By no-one builds one that shares the same unit, so they both dump waste temperature differential into the outside air.
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I do this in rimworld to get just a little bit more heat in winter
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