A lot of heat is lost through old and/or leaky windows. Is it worth replacing older windows with triple-glazed insulation ones?
Building is generally prohibited in Switzerland. That's why you need a permit. Even for small building projects like a garden shed or a wall.
If you own a house that was built before the 1980s, a renovation may make sense. How much does a total renovation cost in Switzerland?
If you want to sustainably reduce your energy consumption, you should take a closer look at your heating system.
Is it worth having the dishwasher or washing machine repaired? We explain when a repair makes more sense than replacing the appliance.
In July and August it often gets hot in the attic. Even if the roof is insulated. What can you do against late summer heat and thick air?