Atag
atag
The Atag integration allows Home Assistant to connect to Atag One thermostats, reporting and setting its status. The integration implements the following platforms:
In Apple Home through HomeKit Bridge
What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.
| Entity | Shows up as | Note |
|---|---|---|
climate | Thermostat | |
sensor | Sensor (temperature) | |
water_heater | Water heater (as a thermostat) |
What people report
Atag One thermostats work locally; a 2023 outage was resolved by updating Home Assistant.
- Works1
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Atag One thermostat | Works Local | Climate, water heater and sensors; 2023 connection failures fixed in 2023.7Saved copyDescription: adds support for atag one thermostats: https://www.atag-one.com/ includes climate, waterheater and some basic sensors (e.g. outside temperature, burner intensity, etc) still to do: develop code for hold modes Reopened pull request to fix some merge conflicts: https://github.com/home-assistant/home-assistant/pull/30796 Pull request with documentation for home-assistant.io (if applicable): home-assistant/home-assistant.io#11841 ## Checklist: - [x] The code change is tested and works locally. - [x] Local tests pass with `tox`. Your PR cannot be merged unless tests pass - [X] There … Excerpt saved from GitHub on 2026-10-23. | PR #32361 · 2020-02 |
Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.
How it connects
Local polling
Talks to the device on your network, asking it for updates every so often.
Details
| Installs (analytics) | 109 (0.02%) |
|---|---|
| Added in | Home Assistant 0.109 |
| Set up in the UI | Yes |
| Maintainers | @MatsNL |
In ReReHome
Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.
Bridges get their own settings page listing the accessories behind them.
