this post was submitted on 20 Apr 2025
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I've been meaning to ask this for a while. I saw a comment a month or so ago. Person said they keep their thermostat at like 65 in the winter and 78 in the summer. 78 seems fucking insane to me. That's too damn hot for inside. How do you sleep at 78 degrees?

Are they a lizard person or am I a baby?

Edit 1: I love all the comments on this! Never thought this post would create such discussion. Looking at the comments vs upvotes it honestly seems 50/50ish that 78 is hot for the indoors. Can lemmy do polls?

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[–] sunbrrnslapper@lemmy.world 3 points 2 months ago (1 children)

72/65 in the winter 78/70 in the summer. I know we should keep it cooler in the winter, but I just really hate being cold.

[–] Today@lemmy.world 2 points 2 months ago (1 children)

Are these cool/heat numbers?

[–] sunbrrnslapper@lemmy.world 2 points 2 months ago
[–] m_f@discuss.online 3 points 2 months ago

It depends on where you sleep. Basement vs upstairs can make a huge difference at the same thermostat setting. I keep mine set to be between 19°C and 25°C and don't have trouble sleeping.

Speaking of which, anyone else use Home Assistant / Z-Wave?

[–] sickofit@lemmy.today 3 points 2 months ago (1 children)

Upstate NY - 64°F in the winter, no A/C ( just a half-assed whole house fan).

[–] pdxfed@lemmy.world 2 points 2 months ago

I knew upstate got cold but not that cold, damn

[–] GreenKnight23@lemmy.world 3 points 2 months ago

71 in winter

70 in summer

[–] mp3@lemmy.ca 3 points 2 months ago

During the cold season
20°C, 18°C at night and when away

During the warm season
23°C, 25°C when away

[–] Corno@lemm.ee 3 points 2 months ago

By thermostat are we talking about heating? I'm cold-tolerant so I typically set mine to 15.5 C. If it gets any colder than that indoors it comes on

[–] Pika@sh.itjust.works 3 points 2 months ago* (last edited 2 months ago)

I keep it 68F(20c) downstairs, but the main house temp is regrettably 73F(22C) and I fight to keep it that low because the rest of the house is cold blooded.

[–] sp3ctr4l@lemmy.dbzer0.com 3 points 2 months ago

I try to keep between 68 F and 72 F, but uh, the thermostat's method of measuring the actual temperature in the apartment is completely, laughably busted, so... hot days it goes on 62, cold days it goes on 84.

[–] qjkxbmwvz@startrek.website 3 points 2 months ago* (last edited 2 months ago)

Here's January of this year. San Francisco, so pretty moderate weather


typically don't run heat during the day, and low 60s at night (if at all) during the winter. Large temperature gradient throughout house, typically.

South facing windows gives kitchen and living room a greenhouse effect, particularly in the winter, hence the large daily temperature swings:

[–] MoreFPSmorebetter@lemmy.zip 3 points 2 months ago

If I'm paying the bills the AC is set to 72 in the summer and the heat is set to 66 in the winter.

If I'm not paying the bills the AC is set to 66 when it's hot and the heat is set to 72 when it's cold.

[–] Today@lemmy.world 2 points 2 months ago
[–] Hawke@lemmy.world 2 points 2 months ago
[–] MolecularCactus1324@lemmy.world 2 points 2 months ago

70 in the winter. And, and we don’t have AC because most days are cool enough in the summer.

[–] Revan343@lemmy.ca 2 points 2 months ago

Usually around 18-19, 15-16 overnight

[–] gingernate@sopuli.xyz 2 points 2 months ago

80f / 26.6c

[–] Urshurak@feddit.nl 2 points 2 months ago* (last edited 2 months ago)

In summer it's off and in winter 20,5-21℃ at daytime and 17℃ at night.

[–] auginator@lemmy.world 2 points 2 months ago

I live in California’s San Joaquin valley. It gets hot in the summer. PG&E bill is high as hell. Having your place cooler than 78F is a total luxury. In my place keeping it at 78F would mean a couple $600 bills. I have since gotten solar but I’ve heard PG&E increased their prices twice since then. And they want to increase it even more.

On the other hand some places like Sacramento used to have super cheap rates and people could crank their ACs on.

[–] HotCoffee@lemm.ee 2 points 2 months ago

18 c - 23 c.

[–] AlexisFR@jlai.lu 2 points 2 months ago

It's always set at 19°C at night and 20°C for the day, all year long. But it's only heating, there is no AC.

[–] neidu3@sh.itjust.works 2 points 2 months ago

When I visit the US I find that I usually set it in the mid to high 60s for optimal comfort.

[–] FartsWithAnAccent@fedia.io 2 points 2 months ago

67-68f in the winter, 74 in the summer + fans to supplement when it gets really hot/muggy.

Neither are my ideal temperature, but it lowers the bills and helps reduce the harm done in terms of energy consumption

[–] HurlingDurling@lemm.ee 2 points 2 months ago

72°F in summer / 64°F in winter

[–] tissek@sopuli.xyz 2 points 2 months ago

Year long lowest possible to keep whatever fluids are in the radiators flowing. Not off but not too on either. And then open windows to regulate temperature.

My building is hot OK...

[–] DrainKikoLake@lemmy.ca 2 points 2 months ago

Heat to 69 in the winter, cool to 74-76 in the summer.

[–] YiddishMcSquidish@lemmy.today 2 points 2 months ago

I'm originally from Florida, so 78 is what I usually leave mine at during summer.

[–] Nemo@slrpnk.net 2 points 2 months ago (2 children)

Why would I care what temperature it is when I'm sleeping? I'm asleep.

That aside, 60 winter and 73 summer.

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[–] k_rol@lemmy.ca 1 points 2 months ago

23 in winter and 22 in summer. Nights are set at 18 all year long.

[–] Bezier@suppo.fi 1 points 2 months ago

I find roughly 80 degrees good for my sauna.

[–] Know_not_Scotty_does@lemmy.world 1 points 2 months ago

Ours is a variable speed compressor so during the summer, it is set to 76 during the day when my wife/kids are there and set to maintain humidity under 50% which allows overcooling by 2 degrees. We run at 70/69 at night because our youngest doesn't sleep well with the fan running in our room so I have it cooler to keep from soaking the bed with sweat.

[–] callyral@pawb.social 1 points 2 months ago

When I have my AC on (usually on the hottest summer days), I set it to 19°C (66.2°F) so it's not too cold.

[–] starlinguk@lemmy.world 1 points 2 months ago (1 children)

Nothing. My place is so well insulated (with triple glazing) that I don't have to heat. Don't have AC, but closing the blinds during the day keeps things cool enough.

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[–] KaRunChiy@fedia.io 1 points 2 months ago

68f in the winter, and N/A for the summer (dont have AC)

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