Recently, some suppliers have started paying more for surplus solar power than the feed-in remuneration. What does this mean for photovoltaic owners?
With new windows, you save a lot of energy and thus money in the long run. We reveal what you should look out for when replacing your old windows.
An energy management system increases the self-consumption of households with photovoltaic systems, stores solar power and reduces energy costs.
If you want to sustainably reduce your energy consumption, you should take a closer look at your heating system.
Is it worth having the dishwasher or washing machine repaired? We explain when a repair makes more sense than replacing the appliance.
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?