homeassistant

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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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Recommendations for Thermost (lemmy.world)

submitted 17 hours ago by [email protected] to c/[email protected]

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I'm considering upgrading my dumb digital thermostat. I'm only interested in one if it works seamlessly with HA (and is reasonably priced).

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[–] [email protected] 3 points 10 hours ago* (last edited 1 hour ago)

I have an ecobee thermostat that I manage locally over WiFi using the HomeKit integration, but I'd stop short of recommending it to new users.

Ecobee used to support developer access to their cloud API for controlling the thermostat and collecting efficiency data, but stopped issuing new API access tokens in the last couple of years. They have no plans currently to reopen developer access. If you have a token then the ecobee integration works fine, but if you don't you're stuck with HomeKit.
The thermostat requires 24V from the furnace to run the display and wifi stack. They provide an adapter you can install if you have available free leads at bother ends of the thermostat control cable. I had to splice a new wire onto the 24V transformer in my furnace since it didn't have a 24V common terminal on the control block. It wasn't hard to do in the end, but it was a lot of research.
Some advanced thermostat features require the app. I am not sure whether the app uses cloud or local control when on the same WiFi.
Not all features are available through the HomeKit integration. I can change the thermostat mode among Auto/Heat/Cool/Off, manage the blower fan mode and manage the heat/cool set points.
Data logging. The damned thing does log activity back home, and the data is only available in the app or on thr web portal.

Other than that ~~Mrs Lincoln, how was the show?~~ I haven't been unhappy with the ecobee. The HomeKit integration works, and I get enough data from the native HA history. I shied away from Honeywell because my last Honeywell thermostat I had before the thermostat I replaced with the ecobee tended to cycle my furnace too fast during cold snaps, and it would put the system into thermal protect mode. There was no way to widen the hysteresis except by manually setting the temp high, run the house up to that temp, and then lower the setpoint and let the house take longer to cool.

ETA: it's a decent thermostat and I'm happy enough with it. It has "spousal approval" accreditation as well. I wish it checked more boxes for me, but it was essentially free for me through a power utility upgrade program. Its a worthy upgrade for me, but YMMV.