EN 
DE ESG energy source: Heat pumps
The use of renewable energy sources for heating and cooling purposes makes a significant contribution to reducing the need for fossil fuels, which in turn leads to a considerable reduction in CO2 emissions in the building sector. By 2045, all existing buildings are to be climate-neutral, and from 1 January 2024, new buildings must cover at least 65% of their heating requirements from renewable energy sources. A [...]
