Ventilation is particularly important in winter. It regulates the relative humidity, prevents humidity damage and makes you feel at home.
Winter can cause considerable damage to your home. We tell you how to winterproof your house.
Mold feels right at home in humid cellars. Older houses are particularly at risk. Excessive humidity endangers the building fabric of your home.
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.
With our new checklist, you can plan individual energy measures or complete renovations step by step and think of everything that is important.