In winter, the sun shines less often and for less time. However, with a few targeted measures, solar power production can be optimised.
Mistakes on construction sites can be expensive. Who is to blame, who is liable and how can you protect yourself from claims for damages or liability?
Many houses, mainly older ones, lose a lot of heat because they are poorly or not insulated at all. How can you avoid this and save a lot of money?
Switzerland is banning more and more light bulbs that contain mercury. Now is the time to switch to energy-efficient LED lamps.
With ventilation you improve the indoor climate and living comfort. We present the two most important ventilation systems and their prices.
A lot of heat is lost through old and/or leaky windows. Is it worth replacing older windows with triple-glazed insulation ones?
