Beat has inherited a detached house that is more than 50 years old and wants to insulate the attic. Our energy expert Max answers his questions.
Homeowners must pay tax on the imputed rental value as income. If you plan renovations sensibly, you can optimise your tax burden.
A solar system is worthwhile for the environment. Whether it pays off depends on at least six factors. We explain all the important factors.
Solar and photovoltaic systems are now standard in new buildings. Here you can find out how such a system can be insured.
Do you want to turn your kitchen into a living room and a family meeting place, or rather cook like a pro? We explain what you should consider.
Overall, a household might consume about a third of its energy needs in the kitchen. This conceals a lot of electricity-saving potential