ThermIQ-MQTT and ThermIQ-ROOM2 connects to your WiFi network and communicates with an MQTT Broker running either on a RaspberryPI or a Windows PC and provides read and write access to your heatpump using MQTT messages.

This is the perfect option if you want to integrate your heatpump with your existing homeautomation using the open MQTT API. There is an existing integration for Home Assistant. If you also want extensive log, graphs and remote access you should select the ThermIQ-ROOM2 + ThermIQ2-Web option.


ThermIQ-MQTT/ROOM2works with almost all Thermia and Danfoss heatpumps with graphical display produced after 2012

At least the following modells can controlled and logged with ThermIQ-ROOM2

* Danfoss DHP series (Except DHP-Aq)
* Thermia G3
* Thermia Diplomat/Optimum G3
* Thermia Diplomat Optimum G2
* Thermia Diplomat Duo Optimum G2
* Thermia Diplomat Duo Optimum
* Thermia Diplomat Optimum
* Thermia Diplomat Duo
* Thermia Diplomat
* Thermia Atria Duo Optimum
* Thermia Atria Optimum
* Thermia Atria Duo
* Thermia Atria


It is not possible to use either Thermia Online nor Thermia Link together with ThermIQ-MQTT/ROOM2

ThermIQ-MQTT does not support Thermia Atlas, Thermia Atec/DHP-AQ, DHP-IQ, DHP-M Thermia Diplomat Inverter

ThermIQ-Room can not be used together with Thermia indoor thermostate.

Thermia is a part of the Stiebel Eltron group, and uses the Danfoss name on certain markets.