Survey on Households and the Environment Classification by characteristics of the dwelling Percentage of dwellings with thermal insulation or energy-saving lights, by size of the dwelling (no. of persons occupying it) and type of insulation or lighting Units: % over the total number of dwellings ,With some type of thermal insulation,Canopies,Persian blinds or shutters,Tinted glass or solar protectors,Double glazing for windows,Thermal bridge breaking,With some type of energy-saving lights,Fluorescent tubes or lights,Other energy-saving lightbulbs, TOTAL,96.2,23.0,94.0,4.1,39.3,11.4,85.5,66.1,67.1, 1-person dwelling,94.4,20.4,92.0,2.7,27.7,7.7,78.5,62.7,53.6, 2-person dwelling,96.1,21.8,94.2,4.2,38.0,11.3,84.3,65.1,63.8, 3-person dwelling,96.7,22.4,94.7,4.1,41.8,12.6,87.6,67.5,71.5, Dwelling with 4 or more persons,96.8,26.2,94.5,4.8,45.4,12.8,89.3,68.2,75.0, Notes: Source: National Statistics Institute