House roofs last for about 50 years. But sometimes they need to be renovated sooner. We have researched the costs of a new roof for you.
With our new checklist, you can plan individual energy measures or complete renovations step by step and think of everything that is important.
A solar power system is ecologically and economically worthwhile. We have summarised the 7 steps from the initial idea to installation for you.
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?