Experiences with brine heat pump

My graphic is from LibreOffice, into which I quickly threw my sensor data. My outdoor measurement is, as mentioned, in the shade at about ground level, but quite close to the house wall - I believe official measuring stations measure somewhat differently.

Possible - still good to get some reference values - I am curious to see how our [Brummofen] performs when it really gets cold.

Yes. According to the diagram above, the average for you was 1°C colder, which would roughly amount to 15kWh per month for me. But - as I already wrote - in the first year my consumption was actually significantly higher (although with the same settings - and temperature corrected). However, through further measurements I also know that my humidity was significantly higher in that first year.

Thank you for the information.

It is getting colder; consumption including hot water, heating, pump, etc. (entire system) November 2016 208 kWh Heating degree day total 449 December 2016 265 kWh Heating degree day total 506 (approx. 3.7°C average temperature over the entire month - outside at the basement window)

January 2017 358 kWh Degree day total 622 (approx. 0°C average temperature over the entire month - outside at the basement window)