Type of household 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 Single-person Household Have changed the heating system or decided to change it 1.0 Single-person Household Cost of installation 19.5 Single-person Household Savings in the bill (*) 36.5 Single-person Household It uses less energy / it is more efficient (*) 27.0 Single-person Household Convenience (*) 35.7 Single-person Household Environmental considerations (*) 20.6 Single-person Household Aesthetics (*) 3.7 Single-person Household Subsidies / financial incentives (*) 8.6 Single-person Household Recommended by an expert / friend (*) 21.1 Couple alone Have changed the heating system or decided to change it 2.0 Couple alone Cost of installation 21.8 Couple alone Savings in the bill (*) 47.4 Couple alone It uses less energy / it is more efficient (*) 44.3 Couple alone Convenience (*) 47.7 Couple alone Environmental considerations (*) 26.5 Couple alone Aesthetics (*) 11.0 Couple alone Subsidies / financial incentives (*) 4.3 Couple alone Recommended by an expert / friend (*) 29.6 Couple with children Have changed the heating system or decided to change it 2.2 Couple with children Cost of installation 16.9 Couple with children Savings in the bill (*) 47.7 Couple with children It uses less energy / it is more efficient (*) 32.0 Couple with children Convenience (*) 47.9 Couple with children Environmental considerations (*) 15.5 Couple with children Aesthetics (*) 6.9 Couple with children Subsidies / financial incentives (*) 5.6 Couple with children Recommended by an expert / friend (*) 18.4 Father or mother alone with at least one child Have changed the heating system or decided to change it 1.4 Father or mother alone with at least one child Cost of installation 8.8 Father or mother alone with at least one child Savings in the bill (*) 26.7 Father or mother alone with at least one child It uses less energy / it is more efficient (*) 16.5 Father or mother alone with at least one child Convenience (*) 59.4 Father or mother alone with at least one child Environmental considerations (*) 16.4 Father or mother alone with at least one child Aesthetics (*) 9.2 Father or mother alone with at least one child Subsidies / financial incentives (*) 5.0 Father or mother alone with at least one child Recommended by an expert / friend (*) 23.1 Another type of household Have changed the heating system or decided to change it 1.2 Another type of household Cost of installation 15.9 Another type of household Savings in the bill (*) 33.1 Another type of household It uses less energy / it is more efficient (*) 41.9 Another type of household Convenience (*) 58.8 Another type of household Environmental considerations (*) 22.6 Another type of household Aesthetics (*) 2.8 Another type of household Subsidies / financial incentives (*) 7.5 Another type of household Recommended by an expert / friend (*) 26.8