Skip to content
Homebridge TestFlight
Busch-Jaeger, ABB

free@home

homebridge-freeathome-local-api · v1.24.0

VerifiedLocalHomebridge 2.0

Adds Busch-Jaeger free@home lights, outlets, thermostats, door openers and sensors to HomeKit.

What it says it supports

Brands

  • Busch-Jaeger
  • ABB

Devices it names

  • switch actuators
  • dimmable lights
  • thermostats
  • door openers
  • smoke detectors
  • motion sensors
  • weather station sensors
  • radiator actuators
  • blind and shutter actuators

Shows up in Apple Home as from its README

Sensor readings in its code

What people report

Maintainer adds free@home devices by function ID after users supply device JSON; thermostats and wireless dimmers were added.

  • Works2
  • Partly works1
DeviceStatusWhat they saidSource
Busch-Jaeger free@home Comfort room temperature controllerWorksFunction ID 3e support added after report and device config
Saved copy
Measured temperatures seem also to be plausible but it's harder to compare since in the Busch Jäger system the mean temperature from multiple thermostats seem to be taken. Yes, I have noted that myself. I have a room that has two B+J room temperature controllers. in the free@home app I'm seeing an (incorrect) aggregated temperature. [26/08/2023, 13:19:10] [FreeAtHomeLangstreet] ABB700D78F22 (ch0000): Cannot configure accessory for FunctionID '3e'! Thanks for that hint. I'll publish a new version shortly that fixes this issue.

Excerpt saved from GitHub on 2026-10-22.

Issue #74 · 2023-07
Busch-Jaeger free@home wireless dimming actuatorWorksWorks under Experimental Accessories in 1.11.0-pre.0; user confirmed
Saved copy
Describe The Bug: The dimming actuators from Busch Jeager do not show up in the apple home app. Normal light switches work, dimmers do not. To Reproduce: Connect to free@home system with dimming actuators. Expected behavior: Dimming actuator shows up in the home app Allow to turn on and off the light Allow setting the brightness level Logs [30/12/2023, 14:31:58] [Busch Jaeger] Connection opened [30/12/2023, 14:31:59] [Busch Jaeger] Restoring existing accessory from cache: Hoek lamp [30/12/2023, 14:31:59] [Busch Jaeger] Restoring existing accessory from cache: Hoek lamp [30/12/2023, 14:31:59] …

Excerpt saved from GitHub on 2026-10-22.

Issue #84 · 2023-12
Busch-Jaeger free@home 4.3 inch RTR (ABB700DB6452)Partly worksSet temperature returned HTTP 403, current temp missing; uses different data points; later closed
Saved copy
Problem witht the Support of the 4,3 Display RTR Changing Temperature: [29/12/2022, 12:54:14] [My free@home Setup] Office RTR (Room Temperature Controller ABB700DB6452 (ch0010)) set characteristic TargetTemperature -> 20 [29/12/2022, 12:54:14] [My free@home Setup] Received HTTP 403 status code unexpectedly: [29/12/2022, 12:54:14] [homebridge-freeathome-local-api] This plugin threw an error from the characteristic 'Target Temperature': Unhandled error thrown inside write handler for characteristic: Received HTTP 403 status code unexpectedly: . See https://homebridge.io/w/JtMGR for more info. …

Excerpt saved from GitHub on 2026-10-22.

Issue #42 · 2022-12

Gathered from the plugin’s GitHub issues, pull requests, discussions, wiki and docs, and from r/homebridge. These are individual reports, so check the linked thread and the date before you buy.

How it connects

Local

System Access Point local API (firmware above 2.6.0)

You’ll need

  • free@home System Access Point

Compatibility

Verified by HomebridgeYes
Homebridge versions>=1.8.0 || ^2.0.0-beta.0
Homebridge 2.0Yes
Node.js^22.19.0 || ^24.11.0
Settings in Homebridge UIYes
MatterNo
Platform nameFreeAtHomeLocalApi
LicenseMIT

Community signals

Downloads a week174
Downloads a month650
GitHub stars17
Open issues6
Closed issues66
Last code push2026-10-21
Latest version1.24.0 (2026-10-06)
First published2022-06-14
Releases79

In ReReHome

Whatever this plugin publishes reaches Apple Home as a normal HomeKit accessory behind your Homebridge bridge, so ReReHome shows and controls it like any other.

Bridges get their own settings page listing the accessories behind them.

Caveats from the README

  • Blind, shutter and awning actuators are experimental
  • Sensors need a home hub

HomeKit services in its code

Found by scanning the published npm package. A plugin can register a service only for some devices.

  • ContactSensor
  • LightSensor
  • Lightbulb
  • LockMechanism
  • MotionSensor
  • Outlet
  • SmokeSensor
  • StatelessProgrammableSwitch
  • Switch
  • TemperatureSensor
  • Thermostat
  • WindowCovering