Lennox
Lennox S40 thermostat
Thermostats · Climate
Partly worksApple Home issuesLocal
2 reports: 2 say it partly works.
Reported with 1 integration: Lennox S30/E30.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Lennox S30/E30 | Partly works | Partly in Home Waiting state breaks fan state mapping with KeyError | Custom integration reports non-standard hvac_action 'waiting'Saved copyThe problem I am exposing a climate entity to HomeKit that comes from this integration - https://github.com/PeteRager/lennoxs30 (the physical device is an S40 thermostat). Here is the yaml used to create the HomeKit entry (which works) [code] I recently started noticing these errors in the Home Assistant logs: [code] It seems the unit can be in a "waiting" state that the HomeKit integration doesn't like/support. I am not sure if this is a HomeKit integration issue or something that should be resolved in the custom integration Excerpt saved from GitHub on 2026-10-23. | Issue #143491 · 2025-04 |
| Lennox S30/E30 | Partly works Local | Cloud login finds no devices; local connection works and is recommendedSaved copyDescribe the bug The Lennox S30/E30 Home Assistant integration successfully authenticates using the Lennox Cloud Connection, but no Lennox systems, devices, or climate entities are discovered. The integration is added and shows “1 entry,” but zero devices/entities are created. ⸻ To Reproduce 1. Install the Lennox S30/E30 integration via HACS 2. Add the integration in Home Assistant 3. Select Lennox Cloud Connection (not Local) 4. Authenticate successfully with valid Lennox cloud credentials 5. Complete setup using default options 6. Navigate to: • Settings → Devices & Services → Lennox … Excerpt saved from GitHub on 2026-10-23. | Issue #400 · 2026-01 |
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 | Lennox |
|---|---|
| Model | S40 |
| Category | Thermostats |
Also reported as
- Lennox iComfort S40
