Size of dwelling (number of habitants);Heating system change and reasons for the new system;Total TOTAL;Have changed the heating system or decided to change it;1.8 TOTAL;Cost of installation;17.8 TOTAL;Savings in the bill (*);44.0 TOTAL;It uses less energy / it is more efficient (*);34.3 TOTAL;Convenience (*);48.1 TOTAL;Environmental considerations (*);19.4 TOTAL;Aesthetics (*);7.4 TOTAL;Subsidies / financial incentives (*);5.7 TOTAL;Recommended by an expert / friend (*);22.4 Dwelling with 1 person;Have changed the heating system or decided to change it;1.0 Dwelling with 1 person;Cost of installation;19.5 Dwelling with 1 person;Savings in the bill (*);36.5 Dwelling with 1 person;It uses less energy / it is more efficient (*);27.0 Dwelling with 1 person;Convenience (*);35.7 Dwelling with 1 person;Environmental considerations (*);20.6 Dwelling with 1 person;Aesthetics (*);3.7 Dwelling with 1 person;Subsidies / financial incentives (*);8.6 Dwelling with 1 person;Recommended by an expert / friend (*);21.1 Dwelling with 2 person;Have changed the heating system or decided to change it;1.9 Dwelling with 2 person;Cost of installation;18.1 Dwelling with 2 person;Savings in the bill (*);45.3 Dwelling with 2 person;It uses less energy / it is more efficient (*);39.8 Dwelling with 2 person;Convenience (*);49.5 Dwelling with 2 person;Environmental considerations (*);23.1 Dwelling with 2 person;Aesthetics (*);9.7 Dwelling with 2 person;Subsidies / financial incentives (*);4.5 Dwelling with 2 person;Recommended by an expert / friend (*);28.0 Dwelling with 3 person;Have changed the heating system or decided to change it;1.8 Dwelling with 3 person;Cost of installation;16.0 Dwelling with 3 person;Savings in the bill (*);39.8 Dwelling with 3 person;It uses less energy / it is more efficient (*);33.7 Dwelling with 3 person;Convenience (*);49.7 Dwelling with 3 person;Environmental considerations (*);17.6 Dwelling with 3 person;Aesthetics (*);7.2 Dwelling with 3 person;Subsidies / financial incentives (*);4.5 Dwelling with 3 person;Recommended by an expert / friend (*);12.5 Dwelling with 4 or more person;Have changed the heating system or decided to change it;2.1 Dwelling with 4 or more person;Cost of installation;18.2 Dwelling with 4 or more person;Savings in the bill (*);48.0 Dwelling with 4 or more person;It uses less energy / it is more efficient (*);31.9 Dwelling with 4 or more person;Convenience (*);49.7 Dwelling with 4 or more person;Environmental considerations (*);16.9 Dwelling with 4 or more person;Aesthetics (*);6.6 Dwelling with 4 or more person;Subsidies / financial incentives (*);6.7 Dwelling with 4 or more person;Recommended by an expert / friend (*);24.8