this post was submitted on 15 Jan 2025
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[–] PeriodicallyPedantic@lemmy.ca 32 points 1 day ago (1 children)

I saw an interesting post that said

All electronics are 100% efficient in the winter

[–] pHr34kY@lemmy.world 22 points 23 hours ago (2 children)

Now that we have reverse cycle AC (heat pumps), 100% is a low bar.

[–] PeriodicallyPedantic@lemmy.ca 4 points 23 hours ago

I know, but I didn't wanna pollute my comment with a bunch of pedantry, despite my name. Also people living in apartments often don't have access to heat pumps.

[–] Korhaka@sopuli.xyz 2 points 23 hours ago (1 children)

Love my heat pump, although its not AC. In the UK if you get ground/air to water the government give you £7.5k towards it. Air to air you get nothing. I suppose it is quieter, but for the 2/3 days in summer where it goes over 30°c having AC would be nice.

[–] MudMan@fedia.io 2 points 17 hours ago (1 children)

I've heard tell of mystery tech to make the water heat pumps make cold. I'm sure I'll be more tempted to investigate further when summer comes.

[–] Korhaka@sopuli.xyz 2 points 17 hours ago (1 children)

I live in the UK, its always humid. You will end up with a condensation radiator.

[–] MudMan@fedia.io 1 points 16 hours ago (2 children)

Yeah, that's the issue to be solved. Apparently there is some sort of contraption that includes fans to prevent the condensation, but whenever I asked the heat pump people they just shook their heads despndently and told me to let it go.

Hey, all my pipes are outside the walls. Maybe I can just build some sort of acrylic enclosure and put fish in there or something.

[–] Korhaka@sopuli.xyz 2 points 14 hours ago (1 children)

If you want a janky setup for it I have one for you and its probably slightly better than the fish tank condensation collector. Turn your heating to full power, then connect the heat pump to a tube that takes the cool air and directs it to you.

Optional: Watercool your sofa by putting a few PC rads next to the heat pump and they pump water round a hose pipe on your sofa. Turn off the radiator in the room you want cooling in.

I have been kinda thinking of the hosepipe watercooled sofa idea myself though without using the heat pump for it, just a bucket of water and a pump, put some ice cubes into the bucket. Or freeze a 2L bottle and put that in. Avoid thermoelectric, its inefficient. Passive cooling or perhaps make use of cooler underground temperature are also interesting thoughts. But in reality I doubt I will end up doing something like it and it just remains in the idea phase.

[–] MudMan@fedia.io 2 points 11 hours ago (1 children)

Hah. Don't think I haven't thought about it. The outside unit is right besides the window to my home office and I could get some nice overclocking going with a tube and some tape by just opening the hot water.

[–] Korhaka@sopuli.xyz 1 points 9 hours ago

Planning on sitting in front of the heat pump in summer with the BBQ going and I can tell my partner to go have a really long shower. Really is win win, the hot water would be almost free with the hot air outside and I get a nice cool breeze outside.

[–] fallingcats@discuss.tchncs.de 1 points 14 hours ago

You could probably gat away with it if you install a single mini split somewhere upstairs to remove moisture and cool the rest of the house with the big pump