Survey on Households and the Environment Percentage of dwellings with thermostat heating or air-conditioning, by type of home and average room temperature programmed during the day Units: % over the total number of dwellings ,Availability of thermostat heating,Average temperature of heating during the day,Availability of air-conditioning,Average temperature of air-conditioning during the day, TOTAL,48.7,21.3,35.5,22.3, Single-person Household,37.6,21.2,22.5,22.3, Couple alone,49.7,21.3,35.1,22.3, Couple with children,56.0,21.4,43.9,22.4, Father or mother alone alone with at least one child,45.3,21.3,31.1,22.2, Another type of household,40.8,21.3,30.3,22.2, Notes: Source: National Statistics Institute