Landlords and their tenants have to wait until May before they can apply for state funding measures. Owners' associations that implement measures on so-called special property even have toWait until August.

New rules of the Building Energy Act (GEG) already apply: every newly installed heating system must now be powered by 65 percent renewable energy. The German Association of Real Estate Managers (VDIV) warns that the lack of planning security could “motivate attentism” Despite all the efforts, sales of fossil oil and gas heating systems have recently declined.