Survey on Households and the Environment 
Classification by characteristics of the dwelling
Percentage of dwellings with thermal insulationo or energy-saving lights, type of municipality 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;
Provincial capitals and municipalities with more than 100,000 inhabitants;96.5;24.9;94.2;4.3;39.3;12.0;88.1;68.1;70.9;
50,000 to 100,000 inhabitants;94.9;28.5;92.5;4.4;36.3;10.0;85.7;65.2;68.1;
20,000 to 50,000 inhabitants;96.5;25.7;94.4;4.5;38.3;10.0;85.8;67.1;68.3;
10,000 to 20,000 inhabitants;96.3;22.3;94.4;3.7;40.1;12.1;84.5;63.7;64.8;
Fewer than 10,000 inhabitants;95.7;15.4;94.0;3.2;40.7;11.2;80.5;63.2;59.2;
Notes:
Source: National Statistics Institute