Replacing old windows is worthwhile in several ways. Among other things, because you save a lot of energy. What other reasons are there for replacing
Heat pumps are energy-efficient, resource-saving and environmentally friendly. With our tips, they are also quiet and don't disturb anyone.
Sooner or later, homeowners or co-owners who heat with oil will have to replace their oil heating. How much does a climate-neutral alternative cost?
For many young couples in Switzerland, the dream of owning their own home is an important milestone.
A power or battery storage device stores solar power that you do not use immediately and makes it available later. Does the investment pay off?
When you sell your house or flat, you want as much money as possible for it. What can you do to optimise the selling price?