Honeywell Total Connect Comfort (Europe)
evohome
The Evohome integration links Home Assistant with all non-US Honeywell Total Connect Comfort (TCC) CH/DHW systems, such as:
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 | |
water_heater | Water heater (as a thermostat) | |
button | Button (as a switch) |
3 reports below say how a device from this integration behaves in the Home app.
What people report
Evohome heating zones work via the cloud; non-evohome TCC thermostats may not be recognised and auto mode maps poorly to HomeKit.
- Partly works3
- Not working1
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Evohome heating | Partly works | Partly in Home Auto HVAC mode cannot map; error logged | Auto is a preset not an operation modeSaved copy… because auto is not an operation mode in the Evomhome plugin, but a preset. Maybe it is possible to match the Homekit modes with the operations in the Evohome plugin? ### What version of Home Assistant Core has the issue? 2023.1.1 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant Container ### Integration causing the issue evohome ### Link to integration documentation on our website https://www.home-assistant.io/integrations/evohome/ ### Diagnostics information _No response_ ### Example YAML snippet _No … Excerpt saved from GitHub on 2026-10-23. | Issue #85529 · 2023-01 |
| Evohome heating zones | Partly works | Broken in Home Auto mode cannot map to HomeKit; thermostat errors logged | Zone shows auto when location is off, which HomeKit rejectsSaved copy… only {0: , 1: } modes are supported. I opened this issue but it was closed since there was no activity. I took a look at the code and discovered that the zones seem to be the problem. At this line the state of a zone is set to auto when the location is set to off. Auto is not a valid HVAC-mode for a zone when looked a the possible states (see screenshot). ### What version of Home Assistant Core has the issue? 2023.7.3 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant Container ### Integration causing the … Excerpt saved from GitHub on 2026-10-23. | Issue #97605 · 2023-08 |
| Honeywell evohome zones | Partly works Cloud | Partly in Home Log errors: cannot map hvac target mode auto to HomeKit | Zone 'auto' mode is a preset, not an HVAC modeSaved copy… only {0: , 1: } modes are supported. I opened this issue but it was closed since there was no activity. I took a look at the code and discovered that the zones seem to be the problem. At this line the state of a zone is set to auto when the location is set to off. Auto is not a valid HVAC-mode for a zone when looked a the possible states (see screenshot). ### What version of Home Assistant Core has the issue? 2023.7.3 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant Container ### Integration causing the … Excerpt saved from GitHub on 2026-10-23. | Issue #97605 · 2023-08 |
| Honeywell TH9320WF3003 Wi-Fi 9000 | Not working Cloud | Unknown model type; not an evohome system though TCC-compatibleSaved copyOK, like this: https://www.amazon.com.au/dp/B077DDV8G2 - Honeywell TH9320WF3003/U Wi-Fi 9000 Colour Touch Screen Smart Thermostat Excerpt saved from GitHub on 2026-10-23. | Issue #141882 · 2025-03 |
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
Cloud polling
Goes through the maker’s cloud, asking it for updates every so often. Needs the internet and an account.
Details
| Installs (analytics) | 2,203 (0.31%) |
|---|---|
| Quality scale | Legacy |
| Added in | Home Assistant 0.80 |
| Set up in the UI | No, YAML |
| Maintainers | @zxdavb |
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.
