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.
When you sell your house or flat, you have to pay tax on the net profit. The amount is calculated differently from canton to canton.
Fancy a change? Redesign your garden. We explain the steps of garden design and present three gardens for inspiration.
If you want to buy a house you need finance. We've gathered everything you need to know about mortgages: how they work and what sustainability is.
