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