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?

(page 2) 50 comments
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[–] GreenKnight23@lemmy.world 3 points 2 weeks ago

71 in winter

70 in summer

[–] m_f@discuss.online 3 points 2 weeks 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?

[–] qjkxbmwvz@startrek.website 3 points 1 week ago* (last edited 1 week 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:

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

[–] exchange12rocks@lemm.ee 3 points 2 weeks ago

23 all year round

[–] sickofit@lemmy.today 3 points 2 weeks 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 weeks ago

I knew upstate got cold but not that cold, damn

[–] Corno@lemm.ee 3 points 2 weeks 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

[–] Vanth@reddthat.com 3 points 2 weeks ago (1 children)

I acclimate to to the heat. I've lived in the South with no AC at all; 80F with humidity control is cushy by comparison.

Summer: open windows until heat and/or humidity causes concern for my electronics.

Winter Day: 68F Winter Night: 58F

[–] NJSpradlin@lemmy.world 3 points 2 weeks ago

Right now we’ve had ours off for about a week, the pollen isn’t great for the GF, but she was unhappy about our winter heating bill being so damn high due to drafts.

Generally we set ours to 72f, though.

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

Are these cool/heat numbers?

[–] sunbrrnslapper@lemmy.world 2 points 2 weeks ago
[–] MolecularCactus1324@lemmy.world 2 points 2 weeks ago

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

[–] FartsWithAnAccent@fedia.io 2 points 2 weeks 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

[–] AlexisFR@jlai.lu 2 points 2 weeks 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.

[–] tissek@sopuli.xyz 2 points 2 weeks 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...

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

18 c - 23 c.

[–] Nemo@slrpnk.net 2 points 2 weeks 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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[–] neidu3@sh.itjust.works 2 points 2 weeks ago

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

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

80f / 26.6c

[–] Bigfish@lemmynsfw.com 2 points 2 weeks ago

63/77 all year.

[–] Hawke@lemmy.world 2 points 2 weeks ago
[–] softcat@lemmy.ca 2 points 2 weeks ago* (last edited 2 weeks ago)

I've managed to have restful sleep at 78 with two fans blasting me, plus a window open to let in the relatively cooler night air. It's doable, but the body takes time to adjust. Humidity can be a big factor.

65 in winter is kind of understandable, since you could layer up or heat a selected space or yourself easier.

My usual comfy indoor ranges would be 70 daytime, 68 night for winter, then 75 throughout in the summer.

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

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

[–] HurlingDurling@lemm.ee 2 points 1 week ago

72°F in summer / 64°F in winter

[–] auginator@lemmy.world 2 points 1 week 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.

[–] DrainKikoLake@lemmy.ca 2 points 1 week ago

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

[–] Revan343@lemmy.ca 2 points 1 week ago

Usually around 18-19, 15-16 overnight

[–] Today@lemmy.world 2 points 2 weeks ago
[–] YiddishMcSquidish@lemmy.today 2 points 2 weeks ago

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

[–] TriflingToad@sh.itjust.works 1 points 1 week ago

some people in my family have sensory things where they feel slightly hotter than others. 69f for most of the year, in winter we hardly use the heater since it doesn't freeze where we live, but my room doesn't have full insulation since the garage is below it, so I have a little bathroom heater in winter.

If it was up to me probs ~71.

[–] dharmacurious@slrpnk.net 1 points 2 weeks ago

As cold as the other people in the house will let me. I have rarely lived anywhere with functioning central heat and air (and have never liked it when I did), so generally I use window units and a cunningly devised system of curtains. I don't care if a hallway or the bathroom gets hot, so long as the bedroom and kitchen stay cool, y'know?

In the winter I almost never use heating, except for a small space heater I just take room to room with me, and one that I run while in the shower.

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

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

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

I find roughly 80 degrees good for my sauna.

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