Honeywell
Honeywell Lyric thermostat (Fahrenheit display)
Thermostats · Climate
Mixed reportsWorks in Apple HomeCloud
4 reports: 2 say it works, 2 say it partly works.
Reported with 2 integrations: Total Connect, Honeywell Lyric.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Total Connect | Works Cloud | Listed as supportedSaved copySupported devices: ProSeries (ProA7, ProA7Plus); Lyric (AIO, Gateway); Lynx Touch (L5100, L5200, L5210, L7000); Lynx Plus (L3000); VISTA (15P, 20P, 21iP). Limitations: The polling window is 30 seconds. If your door opens and then closes again within 30 seconds, it may not be visible in Home Assistant. Automations based on the short term status of doors and windows are not recommended. The Total Connect API has limited zone type information. Many zones are simply described as … Excerpt saved from home-assistant.io on 2026-10-23. | Docs | |
| Honeywell Lyric | Works Cloud | Works in Home Thermostat controllable in Apple Home directly | Cool setpoint bug in HA fixed in PR 125382Saved copyThe problem When trying to change the thermostat temperature, the thermostat integration throws an error: Failed to perform the action climate/set_temperature. Lyric.update_thermostat() got an unexpected keyword argument 'coolSetpoint' home-assistant_lyric_2024-09-04T21-05-32.777Z.log ### What version of Home Assistant Core has the issue? core-2024.9.0 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant OS ### Integration causing the issue lyric ### Link to integration documentation on our website … Excerpt saved from GitHub on 2026-10-23. | Issue #125272 · 2024-09 |
| Honeywell Lyric | Partly works Cloud | Integration becomes unavailable after an hour; re-auth needed; user moved to local HomeKitSaved copyStill happening for me. `Logger: homeassistant.components.lyric Source: helpers/update_coordinator.py:227 Integration: Honeywell Lyric (documentation, issues) First occurred: 11:18:57 (1 occurrences) Last logged: 11:18:57 Authentication failed while fetching lyric_coordinator data: {'request': {'method': 'GET', 'url': 'https://api.honeywell.com/v2/locations?apikey=Xxxxxxxxxxxxxxx', 'headers': {'Authorization': 'Bearer xxxxxxxxxxxxxxxx', 'Content-Type': 'application/json'}}, 'response': {'code': 'Unauthorized', 'message': 'Authorization has been denied for this request '}, 'status': 401} ` … Excerpt saved from GitHub on 2026-10-23. | Issue #61140 · 2021-12 | |
| Honeywell Lyric | Partly works Cloud | Works in Home Half-degree setpoint does get set, visible in Home app | Half-degree Celsius setpoints round down in HA UI; value is set correctly on deviceSaved copyThe problem When the Lyric thermostat (device) is set to display Degrees Fahrenheit, control in HomeAssistant (in Celsius) will round up or down to a whole degree Celsius. Example: Lowering from 19 °C to 18,5 °C is possible, but upon closing the modal the temperature setpoint displayed will automatically round down to 18 °C. When looking at the Home app and on the device, the half-degree request does get set. It's only a UI issue in HomeAssistant. If the hardware device is set to back Celsius, and HA is rebooted, the HomeAssistant thermostat entity reports half-degree temperature measurements … Excerpt saved from GitHub on 2026-10-23. | Issue #141938 · 2025-03 |
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
| Brand | Honeywell |
|---|---|
| Model | Lyric |
| Category | Thermostats |
Also reported as
- Honeywell Home Lyric thermostat
- Honeywell Lyric Controller
- Honeywell Lyric thermostat