When you convert the attic, you gain valuable living space. What do you have to pay special attention to - and what does an attic conversion cost?
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?
An energy management system increases the self-consumption of households with photovoltaic systems, stores solar power and reduces energy costs.
On September 21, the SNB surprisingly refrained from raising its key interest rate. What does this mean for mortgage interest rates?
Roof renovation can cost several 10,000 francs. You can get part of this back as a subsidy if you renovate your roof to make it more energy-efficient.