A facade renovation pays for itself in just a few years thanks to the subsidies and lower energy costs. How much do you have to invest?
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?
Building is generally prohibited in Switzerland. That's why you need a permit. Even for small building projects like a garden shed or a wall.
Is there a draught coming through your windows? Do you feel an unpleasant cold in your house? Then it's high time to replace the window seals...
Windows are subject to heavy mechanical stress and are permanently exposed to environmental influences, which is why it is enormously important to pro
