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.
Do you want to replace an old staircase or set strong accents with a new railing? We have researched how much that costs approximately.
The SNB has raised the key interest rate despite the financial crisis. What does that mean for mortgage rates? How will they develop by year's end?
Do you own an older home and want to improve energy efficiency with little effort? New windows have a savings potential of 5 to 10 percent.