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.
Is there a draught coming through your windows? Do you feel an unpleasant cold in your house? Then it's high time to replace the window seals...
Windows are subject to heavy mechanical stress and are permanently exposed to environmental influences, which is why it is enormously important to pro
