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cameldrv
on Feb 2, 2025
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New thermogalvanic tech paves way for more efficie...
I wouldn’t be surprised if someone starts making these. The heat that comes off a typical refrigerator is enough to heat about 1/3 of a typical house’s hot water usage.
bongodongobob
on Feb 2, 2025
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What?? Not even close.
orra
on Feb 2, 2025
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To put numbers on this, you can buy a C rated fridge freezer in the UK which uses 176 kWh of energy per annum.
That's an average power consumption of 20W. But electric heaters are say 1200W or 2000W.
Avamander
on Feb 2, 2025
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That includes the lights and all the rest. That gives you like 3m³ (790 gallons) of 60°C (140°F) water. Which is really not a lot.
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