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?
Smaller and larger power guzzlers are hidden in every household. With our energy-saving tips, you can reduce your energy consumption.
Ventilation is particularly important in winter. It regulates the relative humidity, prevents humidity damage and makes you feel at home.
From planning to purchase – everything can be done online.