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.
When you sell your house or apartment, a lot of money is at stake. Therefore, choose the right broker - and pay attention to the realtor commission.
A heat pump protects our environment and your budget. It pays off in long term. No matter if you build a house or renovate your heating system.
Replacing old windows is worthwhile in several ways. Among other things, because you save a lot of energy. What other reasons are there for replacing
