Ban on fossil heat failed: City of Erding sets strict requirements and thus increases costs. Climate change is now forcing city and local councils to pay attention not only to the roofs (keyword: photovoltaic systems), but especially underground.

How new settlements are heated with as little or as little CO2 as possible is playing an increasingly important role. The city wanted to develop a completely new residential area with a ban on all fossil fuels, including biomass. However, the planning and building committee found itself in a classic dilemma.