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.
Houzy experts answer the questions of our users. Today Werner Metzger explains to Lea from Spreitenbach how she can make better use of her kitchen.
Trees give a lot to do. Especially when they are big or older. What can you do to enjoy the trees in your garden longer?
Beat has inherited a detached house that is more than 50 years old and wants to insulate the attic. Our energy expert Max answers his questions.