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Home Assistant TestFlight
Radio Thermostat

Radio Thermostat 3M50

Thermostats · Climate

WorksLocal

1 report: 1 says it works.

Reported with 1 integration: Radio Thermostat.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Radio ThermostatWorks LocalLocal API; works years after maker cloud shut down
Saved copy
… https://preview.redd.it/nwx4gjewta7a1.jpg?width=1204&format=pjpg&auto=webp&s=cfdb4d1ed8349152526c8de6c93839da1b8550a0 Got this email moments ago. I've had a 3M50 for years, even moved it between a couple of houses I've lived in. Its wifi is not all that reliable, but it's worked well enough to not have to buy another thermostat. I used the app regularly until about 3 years ago when I got into Home Assistant. Of course the RT thermostats have a local API and work well with HA, so I set it up and have basically forgotten about it until now. As a software developer, I understand why companies …

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

Reddit thread · 2022-12

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandRadio Thermostat
Model3M50
CategoryThermostats