The funding for thermal renovation and boiler replacement is massively throttled, but the need to decarbonize the domestic residential buildings remains. Because the next heat summer is definitely coming, with a high probability this year. We still blow far too much CO2 into the atmosphere, and unfortunately politics has not managed to make people the urgency of the situation clear for many years: we are heading for the climate catastrophe, and “who brakes” has always been a saucer saying.