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.
In November, it's high time to prepare your garden and plants for the coming winter season. We explain step by step how.
A heat pump protects our environment and your budget. It pays off in long term. No matter if you build a house or renovate your heating system.
Winter can cause considerable damage to your home. We tell you how to winterproof your house.