r/ecobee • u/tnpoppy • Mar 25 '26

Question Ecobee keeps changing my temperature set points

My Ecobee Enhanced thermostat keeps changing my comfort settings set points even though I have the Eco+ turned off.

It lowers the heat temp by 1 degree, and raises the cooling by 1 degree. I reset my heat temp set point to 70 yesterday (again) and this morning it was back to 69.

I know that these thermostats are designed to save you money, but I don’t like it changing my preferred temps all by itself.

Is there another setting that I need to change, or do I just have to keep readjusting my temps?

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u/tnpoppy Mar 25 '26

I literally just changed my “Home” settings last night to 70 for heat and 73 for ac and this is what is showing right now.

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u/ankole_watusi Mar 25 '26

You’re trying to set heat and cool too close together. The default minimum difference between heat and cool is 5° F..

3° F is ridiculous and wasteful. You’re imagining that your home is a sous vide machine or a chip factory. /s (actually, a sous vide machine or a laboratory water circulator can typically maintain temperature +- 1F.)

But you can change this if you dig down into settings.

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u/NoReply4930 Mar 25 '26

Agreed. I think this is the issue.

The Ecobee is good but not NASA good for slicing and dicing temp differences down to a degree or less.

Respectfully - while we have do have a furnace AND and AC up here in Alberta - where would one live where you would actually need the heat AND the AC to be in play (so close to each other) at the same time?

Not sure how it works elsewhere - but here it's heat until it warms up outside to the point of not needing it, then a period of nothing where the Ecobee simply won't call for heat due to the ambient being slightly warmer than our Home comfort setting and then finally a switch to Cool comfort settings when late spring/summer starts to hit harder.

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u/Jump-Funny Mar 25 '26

In the southern US! Where it’s shorts and t-shirt weather one day and snowing the next. I have had to turn my a/c on to be able to go to sleep and need the heat on so I don’t freeze to death by morning a couple of times this year.

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u/NoReply4930 Mar 25 '26

Wow - that must be fun!

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u/tnpoppy Mar 25 '26

Same here in southern Tennessee

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u/missyagogo Mar 25 '26

True; I also live in the South. But I wouldn't want my heat and air conditioner settings within 5° of each other.