Switzerland is banning more and more light bulbs that contain mercury. Now is the time to switch to energy-efficient LED lamps.
A lot of heat is lost through old and/or leaky windows. Is it worth replacing older windows with triple-glazed insulation ones?
With a terrace roof, a pergola, a garden pavilion or a sun awning you make more out of your garden. How much will it cost you?
For many young couples in Switzerland, the dream of owning their own home is an important milestone.
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?
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?