Switzerland had 1.79 million residential buildings and 4.79 million dwellings in 2023. 37% of buildings were heated by oil and 17% by gas. 21% of buildings were equipped with heat pumps, a fivefold rise since 2000. One single-family house in four is equipped with a heat pump. These are some of the results from the Building and Dwelling Statistics compiled by the Federal Statistical Office (FSO).
