Survey on Households and the Environment Classification by characteristics of the dwelling Percentage of dwellings with heating, by type municipality and use of heating at night and when away from home Units: % over the total number of dwellings ,With heating,Turns off heating at night (*),Heating is turned off from the boiler room at night (*),Doesn't turn off heating at night (*),Turn off heating when away from home (**), TOTAL,70.3,77.6,7.0,15.3,91.3, Province and municipalities capitals with more than 100,000 habitants,71.2,74.2,12.6,13.2,87.9, From 50,000 to 100,000 habitants,64.3,85.7,2.8,11.5,93.6, From 20,000 to 50,000 habitants,68.3,84.3,3.5,12.2,95.2, From 10,000 to 20,000 habitants,71.6,80.1,2.9,16.9,93.1, Less than 10,000 habitants,71.7,75.6,1.9,22.5,93.6, Notes: 1) (*) over the total dwellings with heating (**) over the total dwellings with heating and whose residents are away from home Source: National Statistics Institute