A large share of European households possesses an old and inefficient heating system, which leads not only to high energy...
![Planned replacement of heating appliances in European households Planned replacement of heating appliances in European households](https://solarheateurope.eu/wp-content/uploads/2021/02/Slide4-820x370.png)
A large share of European households possesses an old and inefficient heating system, which leads not only to high energy...