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?
Sooner or later, condominium owners have to deal with expensive renovations. That is why it is worth having a renovation fund.
The more solar power you consume, the faster your photovoltaic system pays for itself. With a storage system, you increase your self consumption.
The National Council and Council of States have been looking for a compromise since 2017. What is the current status and who benefits most?