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?
A heat pump to replace an old oil or gas heating system costs 30,000 to 50,000 Swiss francs. Where can you get subsidies for a new heating system?
Property prices have doubled since the turn of the millennium. Now price growth has slowed. Will property prices fall soon?
Supply and demand determine the prices of houses and flats. A well-founded market value estimation is the basis for all price negotiations.