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.
Homeowners must pay tax on the imputed rental value as income. If you plan renovations sensibly, you can optimise your tax burden.
A solar system is worthwhile for the environment. Whether it pays off depends on at least six factors. We explain all the important factors.
With a façade renovation, you protect your house and maintain its value in the long term. You also reduce electricity consumption and protect the envi
An energy management system increases the self-consumption of households with photovoltaic systems, stores solar power and reduces energy costs.
With a new parquet floor you change any room. Wood has a warm effect, so parquet floors are especially suitable for living rooms and bedrooms.