Survey on Households and the Environment Classification by characteristics of the dwelling Percentage of dwellings with air-conditioning, by type of municipality 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; Province and municipalities capitals with more than 100,000 habitants;39.8;13.0;13.2;73.7;95.4;1.1;3.5; From 50,000 to 100,000 habitants;36.0;9.4;12.7;77.9;95.9;1.4;2.7; From 20,000 to 50,000 habitants;38.3;8.0;12.5;79.5;95.0;0.7;4.3; From 10,000 to 20,000 habitants;34.1;8.2;11.5;80.3;92.4;0.9;6.7; Less than 10,000 habitants;25.4;6.4;13.2;80.5;91.8;0.2;8.0; Notes: 1) (*) over the total dwellings with air-conditioning Source: National Statistics Institute