Combine heat pump and water-bearing fireplace

I honestly don't believe that. Especially since exactly this concept is also promoted by a company.

Please definitely do it and then post your logs as well as your performance factor for days when the wood stove is off in one year. It can then serve as a wonderful deterrent example for others.

There are also companies that sell orgonite. Super expensive, but they say it helps against electromagnetic smog and many people feel much better since they have orgonite with them...

A heat pump operates very inefficiently at -20 degrees, that's exactly why I'm asking the question..

A heat pump operates very inefficiently at -20 degrees, that's exactly why I ask the question..

The question only arises for a few people in Germany. Where are there regularly -20 degrees (over a longer period)? In high mountain construction, that might be more relevant.

The question arises for only a few people in Germany. Where are there regularly -20 degrees (over a longer period)?

For a high mountain building, that might be more relevant.

Here with me, it is often around -10 degrees in winter and continuously. Therefore the question about a sensible combination. How sensible is the idea to use the water-bearing fireplace for an outbuilding? I have 100 sqm outbuilding.

Here with me, it is often -10 degrees in winter and continuously.

Then I would recommend a brine heat pump. The water-bearing fireplace and the heat pump are two things that also conflict. Maybe better gas instead of a heat pump?