Venstar T-series thermostat

Venstar consumer T-series. Venstar is a native HA integration and fully supports all the various modes. It has zero cloud dependence, but can optionally connect to Venstar servers for time sync and optionally so you can use their own app (which doesn't interfere with HA control and in fact it can do both simultaneously.) They support SSL encryption locally. They support a total of five stages (heat stages + cool stages), have interfaces for UV lights, humidity management, external air, remote temp sensors, provide maintenance notifications via HA integration (my kitchen dashboard shows me …

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