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.
A solar power system is ecologically and economically worthwhile. We have summarised the 7 steps from the initial idea to installation for you.
In July and August it often gets hot in the attic. Even if the roof is insulated. What can you do against late summer heat and thick air?
After retirement, you have to manage with less income. That's why banks require you to pay off your 2nd mortgage by the time you retire.
When you buy an electrical appliance, one of the things you should compare is its energy efficiency. The new energy labels simplify the comparison.