We plant a tree in Romania for every new user who checks their sustainability potential with the energy, heating or solar calculator.
Smaller and larger power guzzlers are hidden in every household. With our energy-saving tips, you can reduce your energy consumption.
A solar power system is ecologically and economically worthwhile. We have summarised the 7 steps from the initial idea to installation for you.
Overall, a household might consume about a third of its energy needs in the kitchen. This conceals a lot of electricity-saving potential
In winter, the sun shines less often and for less time. However, with a few targeted measures, solar power production can be optimised.
A power or battery storage device stores solar power that you do not use immediately and makes it available later. Does the investment pay off?
Replacing old windows is worthwhile in several ways. Among other things, because you save a lot of energy. What other reasons are there for replacing
Is it worth having the dishwasher or washing machine repaired? We explain when a repair makes more sense than replacing the appliance.
The summer months are good for repairing damage or a roof renovation. Have the roof checked by a roofer now.
With new windows, you save a lot of energy and thus money in the long run. We tell you what you should look out for and how to apply for subsidies.
Would you rather charge your e-car at home than at a public charging station? Our overview will help you choose an e-charging station.
A solar system is worthwhile for the environment. Whether it pays off depends on at least six factors. We explain all the important factors.
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.
Oil and gas heating systems emit a lot of CO2. Nevertheless, 60 per cent of houses and flats in Switzerland are heated with fossil fuels.