A power or battery storage device stores solar power that you do not use immediately and makes it available later. Does the investment pay off?
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.
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?
