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?
With ventilation you improve the indoor climate and living comfort. We present the two most important ventilation systems and their prices.
