this post was submitted on 11 Jul 2024
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Solarpunk technology

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Technology for a Solar-Punk future.

Airships and hydroponic farms...

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[–] Poxlox 4 points 5 months ago (1 children)
[–] [email protected] 7 points 5 months ago (2 children)

Air conditioners are Heatpumps without a valve to reverse the direction of cooling/heating. If you flip an air conditioner around, it will produce heat at about 3 to 4x greater efficiency compared to an electric resistance heater.

[–] [email protected] 3 points 5 months ago (2 children)

Most modern ACs have heating available as a function, so no need to flip it.

[–] [email protected] 2 points 5 months ago

Oddly, I've never seen a reversible window AC in my area. Checking my local stores, they're definitely a bit more expensive than the non-heating models (cheapest I could find was $489), which might explain it.

[–] [email protected] 1 points 5 months ago

Yep, reverse cycle a/c.

[–] [email protected] 1 points 5 months ago

what I would need to know now is how the efficacy is compared to heating water for the heaters with natural gas...