The Hessaire Mini Split Air conditioner uses a AEH-W4A1 for its communication module, but Home Assistant does not discover the devices. I had some success withhttps://github.com/deiger/AirConbut it added 100degF to the temp numbers which is not helpful. So attempted to try this one. Wha...
I tried taking out the wifi module (AEH-W4B1) from the old indoor unit and swapped it into the new one, and so far it's driving the new AC just fine. So, if you can't wait until someone finds a solution, you might try sourcing an older wifi module. ...