P1P2MQTT

Monitors and controls Daikin/Rotex heat pumps from Home Assistant via MQTT.

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P1P2MQTT is a free, open-source project that lets Home Assistant monitor and control Daikin and Rotex Altherma heat pumps directly over their own P1/P2 thermostat interface via MQTT, using a small DIY hardware adapter. It also supports related protocols used by Hitachi, Hisense, Mitsubishi, Toshiba, Panasonic, and other HVAC brands.

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