But why do some cantons require this certificate when selling and/or changing the boiler? What is the justification behind this restrictive legislation?
In 2017, the 2050 energy strategy was adopted by the Confederation. At the same time, it was noted that in Switzerland, domestic heating and hot water represent almost a third of the total final energy consumed in the country.
The next step is self-evident: the renovation of the residential, commercial and administrative building stock through CECB and CECB Plus becomes a priority and main focus of federal policy.
Since then, the focus has been on reducing energy waste and consequently fossil fuel consumption.