An insulated roof insulates better, reduces energy consumption, and saves energy costs. We have researched how much roof insulation costs.
A heat pump protects our environment and your budget. It pays off in long term. No matter if you build a house or renovate your heating system.
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
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.
When you sell your house or flat, you want as much money as possible for it. What can you do to optimise the selling price?