Survey on Households and the Environment Percentage of dwellings with air-conditioning, by type of household and number of rooms with air-conditioning and night-time use Units: % over the total number of dwellings ,The household has air-conditioning,Air-conditioning in all the rooms (*),Air-conditioning in the majority of rooms (*),Air-onditioning only in part of the rooms (*),Turn off air-conditioning at night (*),Air-conditioning is turned off from the central unit at night (*),Do not turn off air-conditioning at night (*), TOTAL,35.5,10.4,12.9,76.8,94.5,0.9,4.6, Single-person household,22.5,7.8,12.6,79.6,96.5,0.6,2.8, Couple alone,35.1,10.5,11.6,77.9,94.5,1.5,4.0, Couple with children,43.9,11.5,13.7,74.8,93.6,0.7,5.6, Father or mother alone with at least one child,31.1,9.6,11.6,78.8,96.7,0.5,2.7, Another type of household,30.3,7.9,13.0,79.2,95.0,0.8,4.1, Notes: 1) (*) over the total dwellings with air-conditioning Source: National Statistics Institute