Survey on Households and the Environment Percentage of dwellings with heating, by net monthly household income 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 Less than 1,100 Euros 56.7 81.7 6.7 11.6 93.4 From 1,101 to 1.800 euros 70.2 80.6 5.5 13.9 92.3 From 1,801 to 2,700 euros 80.8 75.8 6.7 17.5 90.7 More than 2,700 euros 85.7 70.3 6.9 22.9 88.0 Does not know/ Does not answer 71.8 75.7 9.1 15.2 90.6 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