The Building Energy Act (GEG) passed last year caused unanswered questions and one or two concerns, especially among owners. With a few tricks, existing oil and gas heaters can still be used.
There are even government subsidies under certain conditions. The study “Heating with 65 percent renewable energies”, published in 2023, was also intended to examine the conditions under which existing heating systems can be maintained despite the GEG. Combinations of oil or gas heating systems with other additives play a particularly important role, as long as individual limit values are not exceeded. If a gas condensing boiler that uses at least 55 percent biomethane or power to gas is combined with solar thermal drinking water heating, there would be a government subsidy of currently 25 percent for this system, according to Focus Online magazine. It is possible to operate the gas heating system with at least 65 percent biometricane or green power to gas, reports Focus online magazine. There is an exemption from the obligation to use renewable heating is provided for in cases of hardship.