Venstar thermostat

I had never heard of Venstar until I got one but the one I have is nice. It has both a local API and a cloud API for their app, but you can block it from the internet and it works fine regardless. It has the look of a traditional thermostat too, which is a pro to some people. https://venstar.com/thermostats/colortouch/

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Check out Venstar. They have a local API and a HA integration. This is the one I’m looking to get if I ever decide to upgrade mine.

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I'm a venstar fan, but all a thermostat does is control relays. You can build your own with an ESP32, esphome, and a relay board.

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Personally I will be switching to Venstar. Fully local API and all my research seems to show it to be rock solid.

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I never see Venstar on any of these lists, probably because they mostly sell through HVAC distributors and not big-box stores, but I love my Venstar thermostats. Local control with a documented API, WiFi, WiFi or hard-wired remote sensors. I've only really noticed two hiccups: \- Pairing with a remote sensor requires you to use their cloud, but does not require you to remain connected to their cloud. \- The Home Assistant integration for Venstar doesn't get along well with the scheduling functions built in to the thermostat, so I ended up doing any scheduling in Home Assistant. But a guest …

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Love my VenStar. Complete local API https://a.co/d/094E04eC

Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23.