Comment by dobremeno

I have my AC connected using Matter (over WiFi, not Thread) using esphome-matter, a relatively new extension to ESPHome + a small open PR [1]

Since it's running ESPHome you can easily verify everything it's doing.

Thread would be even better but this is good enough for me. 100x better than the original cloud app it came with. Still no proprietary app required, works on every platform.

[1] https://github.com/DavidvtWout/esphome-matter/pull/53