Survey on Households and the Environment 
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Percentage of dwellings with thermal insulation or energy-saving lights, by net monthly household income 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;
Less than 1,100 Euros;93.5;16.9;91.7;2.7;22.7;5.2;75.4;60.4;48.8;
From 1,101 to 1.800 euros;96.5;21.8;94.4;4.3;40.9;10.5;87.7;67.6;70.4;
From 1,801 to 2,700 euros;97.5;26.2;95.4;5.9;52.0;17.8;91.6;70.3;76.5;
More than 2,700 euros;98.7;31.0;96.6;5.7;61.7;23.3;93.3;67.8;84.9;
Does not know/ Does not answer;96.6;25.4;94.1;3.6;38.3;10.5;86.6;67.0;69.4;
Notes:
Source: National Statistics Institute