Tekmar heating controls, Fujitsu split A/C

[WillCodeForCats]

Form topic for the Tekmar 482 integration and add-on:

Tekmar Integration and Add-on

I’ve created a custom integration for Tekmar (tekmarnet) networked thermostats, setpoint, and snowmelt controls with tN4 or tN2 communications using the Gateway 482. This is a local push integration, so it does not work with Tekmar devices that use wifi or cloud, only wired tekmarnet. The integration uses a companion add-on to communicate with the Tekmar Gateway 482 over RS232. The add-on can run on the same Home Assistant installation as the integration, or they can run separately. I’m running…