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?
Beat has inherited a detached house that is more than 50 years old and wants to insulate the attic. Our energy expert Max answers his questions.
Humans need the sun. But too much of it is harmful. That's why we present the most common sun protection solutions for indoors and outdoors.
In a Smart Home, you can programme and control simple tasks such as lighting control or entire scenarios. What is possible and useful?
