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?
Winter can cause considerable damage to your home. We tell you how to winterproof your house.
On 28 September 2025, the Swiss electorate indirectly approved the abolition of the imputed rental value.
