Replace old oil heating or gas heating
Gas and oil heating pollute the environment, and fossil fuels are in short supply. Since the turn of the millennium, the share of oil heating has fallen from 57.8 to 39.8 percent. Zurich was the first canton to effectively ban the installation of new oil-fired heating systems in existing buildings. At the end of their service life, they must be replaced by climate-neutral alternatives. New oil heating systems are only permitted if the alternatives are technically unfeasible or more than 5 percent more expensive over the entire life cycle.