Smart thermostat?

I am familiar with most of them but as DW and I are mostly at home all the time the need for one is not there.

What I am looking for but not sure of the terminology is one that will warn/notify me when the actual temperature is x degrees off from the set temperature.

Yesterday for the 2nd time in the last year or so the a/c quit putting out cold air. As I was in and out of the house doing yard work I did not notice it until time to quit and clean up. By then the inside temp was 84 (normally set to 78) and it was after hours for repairs. I figured we could deal with it over night using fans and such rather than calling for emergency repairs. This morning everything seems to be working fine but that is another story, I would like some kind of notice when the system (heat or a/c) malfunctions.

Anything like that exist?

They do make high temp alarms for freezers that contain valuable temp sensitive materials.

I dont know if those could be set for ac temps but maybe.

I think what you’re asking for is a internet connected thermometer that has ability to send alerts to you when it sees the temp is outside an expected range.
I think there are a number of them available, and the features on them vary.
I would search for “internet thermomemter” or “wifi thermometer” and maybe add “alert” into the search as well.

They get used for low temperature alerts for preventing freezes in houses where the people are away for a winter vacation. And for high temperature alerts for greenhouses getting too hot.

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Avoid Nest Learning Thermostats. Hate ours.

IP

What I am looking for but not sure of the terminology is one that will warn/notify me when the actual temperature is x degrees off from the set temperature.
Yesterday for the 2nd time in the last year or so the a/c quit putting out cold air.

There are expensive temperature monitors which will send an alert to your phone, etc.

But given that you are home most of the time, there’s a very simple solution: an oven thermometer or similar. Less than $20.

Just leave the probe out in the air (countertop?) and set the alarm for any temperature you want. Most of them will register from 32 degrees to 300 or more. https://www.amazon.com/ThermoPro-TP-16-Thermometer-Stainless…

There are also many which are entirely tabletop oriented: Just get a refrigerator thermometer and leave the sensor half out on a table:
https://www.amazon.com/JXTZ-Refrigerator-Thermometer-Wireles…

And there are those for “indoor outdoor” with alarms; again, just leave the outdoor sensor part inside, on a table or wherever. This doesn’t need to be complicated or expensive. They will beep at you once the temperature has exceeded your setting.

We have a wifi enabled Honeywell thermostat, but the only alerts I get is if it loses the wifi connection, otherwise, once set up, it still continues to run the scheduled cutbacks, even without the wifi/web link. No A.C, but it’s handy if we leave in the winter for a long weeken, cut it back to the 50s, but then on the way home, bring it back to the normal schedule… Many models, Trane has one with their branding, likely others, but our furnace guy liked this one…

https://www.amazon.com/Honeywell-TH8321WF1001-Wifi-Vision-St…

Likely also in local hardware shops…

Thanks for the replies.
Goofy is right in that I do not want/need to spend a bunch on this but I do think an alert of some type is necessary. This looks like it would do the job at a reasonable cost https://www.amazon.com/Thermometer-Diivoo-Compatible-Notific…

arahfool

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We’re very satisfied with our Sensi.

It doesn’t take a degree in engineering to turn on the heat, set a schedule, etc.

…and unlike our Echos, it’s non-intrusive.

https://sensi.emerson.com/en-us

I have one Google Nest (Learning). Like the Honeywell system you schedule temperature settings and it alerts you when the temp drops below/above your specified safety range or the app can’t connect to the thermostat. It also calculates energy efficient temperature settings and generates little reminders / feedback of when it’s been set well. Bright visual display, motion detection nearby can trigger a different temp setting, a few other nice to have settings.

I have just heat, no A/C. Ridiculously easy to install to a “two-wire” no A/C furnace.

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