Climate

Lennox S30/E30

PeteRager/lennoxs30 · v2026.8.0

HACSLocal push

Home Assistant Lennox S40 / S30 / E30 / M30 integration

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
`switch`	Switch or outlet
`climate`	Thermostat
`binary_sensor`	Sensor (motion, contact, leak, smoke…)
`sensor`	Sensor (temperature, humidity, air quality…)
`button`	Button (as a switch)
`select`	Mode picker (as switches)

2 reports below say how a device from this integration behaves in the Home app.

What people report

Lennox S30/E30 and S40 thermostats work well, best over a local LAN connection; the S40 cloud API is not discovered. The L40 is not known to work.

Works3
Partly works2
Requested1

Device	In Home Assistant	In Apple Home	What they said	Source
Lennox S30 thermostat	Works Local		Local connection supported; maintainer says S30 works well locally Saved copy Never heard of it working. Looks like an older branded device. S40 or S30 do work well with local connections. Excerpt saved from GitHub on 2026-10-23.	Discussion #387 · 2025-09
Lennox S30 thermostat (HomeKit comparison)	Works	Partly in Home Native HomeKit lacks circulation-fan-only control; S40 has no native Apple Home	Integration exists because Apple Home cannot turn on circulation fan alone Saved copy … experiences with me as I am about to replace my HVAC system. My contractor has proposed the S40, which I was surprised to see doesn't support Apple Home (nee HomeKit) while the S30 does. I'm mainly an Apple Home guy, but I have gotten Home Assistant up and running recently and am liking how I can build more complex automations in it than I could in Apple Home. That said, I still lean toward things that are Apple Home-compatible (or Matter compatible). Contractor seemed confident he could still get the S30 and that there's not huge differences between the two. However, if folks here have been … Excerpt saved from GitHub on 2026-10-23.	Discussion #250 · 2023-07
Lennox S40 BLE Indoor Air Quality Sensor	Works		Support added in merged PR Saved copy The original text was already deleted or overwritten when we archived it.	PR #238 · 2023-05
Lennox iComfort S40	Partly works Local		Cloud login finds no devices; local connection works and is recommended Saved copy Describe 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
Lennox S40 thermostat	Partly works	Partly in Home Waiting state breaks fan state mapping with KeyError	Custom integration reports non-standard hvac_action 'waiting' Saved copy The 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 L40 fancoil controller	Requested		Maintainer has never heard of it working Saved copy They are offering me the L40 for fancoils, did anyone has it and make it work with this integration? Excerpt saved from GitHub on 2026-10-23.	Discussion #387 · 2025-09

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 push

Talks to the device on your network, and the device tells Home Assistant the moment something changes.

Details

Installs (analytics)	695 (0.1%)
GitHub stars	146
Latest version	2026.8.0 (2026-08-13)
Set up in the UI	Yes
Maintainers	@PeteRager
License	MIT

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.

Sources

Documentation: https://github.com/PeteRager/lennoxs30/blob/master/README.MD
Source code: https://github.com/PeteRager/lennoxs30
Issues: https://github.com/PeteRager/lennoxs30/issues
HACS: https://hacs.xyz