Where do you keep your thermostat set?

On the wall in the hallway.

Hardee har harr.

Now upvote me back.

Seriously.

I live in a typical midcentury Atlanta home with retrofitted central air.

Ducting could have been gauged in such a way as to more evenly distribute the precious cool and dry air, alas it was not.

Far more cooling reaches the bedrooms. As a result we simply keep the registers in these rooms closed, or near closed to direct more cooling to the kitchen, living and breakfast rooms.

The attic needs some comprehensive ventilation to lessen the burden on the central unit.

We set the modern-as-is-compatible digital thermostat to 72 and hope for the best for now.

The ‘stat indicates we get as low as 80 degrees on crazy hot days.

Oh well, we appreciate it much for what it is.

The Pharaohs we worshiped as gods.

But they did not enjoy modern aircon.

Life is good.

78 degrees in the summer, 70 in the winter. I have a fireplace that I use in the winter to supplement the heat. I live in what is considered the south and we have 90–98 degree summer days.
I live alone so there is no disagreement. The dog gets no vote in this matter.

At 19 C. No idea what that is in Fahrenheit. On the bright side it’s usually warmer than it is outside (even in summer) so the AC can handle it.

Who’m I kidding. I don’t have AC.

I live in central Florida. We keep it between 78 and 80 pretty much year round. If we leave the house for the day we’ll flip it up to 85 until we get home.

In the winter I set the heat on 60°F (I may move it up a degree this winter; last winter was pretty chilly), and in the summer I turn on the fan in the living room, and sleep under the ceiling fan in the bedroom on hot nights. I get by okay.

76 degrees. Winter and summer.

October/November through April/May = 65–68°F

Spring/Summer = Off. Window ACs go on as needed.

I like a cool house.

68 Thanksgiving to President’s Day. Off until July. 74 July to October 15. Off from then until Thanksgiving.

I live in the east bay of San Francisco. Our afternoon temps from now until mid October are anywhere from 85 to 110. In the winter, it will occasionally get below freezing in the small hours of the morning.

Usually, I keep my air conditioner at 77 or 78, and my heat at 72. For years I kept the heat at 68 and I have sworn to never do that again. I think I would give up eating one meal a day before being cold again.

At one house I had to keep the air at 75/76 because I think maybe it short cycled a little, and the humidity got a little high. Not sure. It was the only time I’ve ever had to keep it that low. My only point is that of course there is possible variation from house to house and air system to air system.

Summer- 72

Winter- 65

I like it cool.

programmable thermostat so several different temps during the day. 78 during living times, 82 when everyone is at work, 76 at bed.

^^82? I’m afraid of risking the mold. Maybe you’re in a very dry climate? That probably makes a difference.

No, not really @JLeslie it gets pretty humid here at times but as far as I know we have never had problems with mold. I think running it a little cooler at night and being a closed, conditioned space most of the time it keeps the humidity down inside.

You get used to the heat. Yesterday even at 82 it was still 14 degrees cooler than outside temp. That is if we had let it get that high but since we were home most of the day we kept it cooler.

^^Like I said, mine is most often at 78, so I like the heat too. At 78 I often have on long sleeves inside.

It’s pretty hot right now in Texas so I’m keeping mine set at 76 by day, 77–78 at night. In winter, I keep it high enough to keep it from continuously kicking on and off—78 or so.

I have (and love!) a high-tech Nest thermostat which gives me all kinds of flexibility, not least the ability to turn on my heat or AC on my way home so that it’s at a comfortable temp when I arrive.

Thanks for the responses, as I suspected most keep it set between 75–80 which is what I would consider reasonable.

To respond to the original statement in question, I think you can easily get to 70 when its 95+ outside. Unless, you have zero insulation in the house, and big gaps around all the windows. I get to 70 when its 20 degrees outside.

The biggest problem is if you are starting at 80 interior temp and want to lower it to 70. That’s hard work on system, but if you always keep it around 70–74 you should be able to do it. It will cost more money than keeping it at 78.

It’s much easier to heat than cool, most houses here have either a furnace or resistive heat to supplement a heat pump. When temps get into the 20’s heat pumps can’t really do the job on their own. In an older house with old windows 70 just is not going to happen using a heat pump 90+ or around 20 degrees.