A solar system is worthwhile for the environment. Whether it pays off depends on at least six factors. We explain all the important factors.
Fake craftsmen charge a lot of money for botches or want to clean out houses. Be careful and only trust professionals from the region.
After 10 years, the first measures become due. The renovations become larger as the years go by. Plan early and put money aside.
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.
An insulated roof insulates better, reduces energy consumption, and saves energy costs. We have researched how much roof insulation costs.
Heat pumps are energy-efficient, resource-saving and environmentally friendly. With our tips, they are also quiet and don't disturb anyone.