Survey on Households and the Environment 
Classification by characteristics of the reference person
Percentage of dwellings, by sex, age, nationality of the reference person and available heating system
Units: %  over the total number of dwellings

	Availability of heating	Electrical heating: Total	Electrical heating: Individual electrical furnace	Electrical heating: Electrical radiators and accumulators	Electrical heating: Underfloor heating	Gas heating: Total	Central gas heating	Individual gas heating	Non-channelled gas heating	Central diesel heating : Total	Central diesel heating	Individual diesel heating	Other heating systems: Total	Other heating systems: Heat pump: Total	Heat pump: Channelled	Heat pump: Non-channelled	Other heating systems: Coal central heating	Other heating systems: wood	
Both sexes	70.3	18.6	4.6	14.0	0.7	32.3	6.6	23.4	2.5	11.7	7.0	4.8	12.8	6.3	2.3	4.0	0.5	2.8	
Men	71.2	18.5	4.5	13.9	0.8	32.0	6.6	23.4	2.3	12.9	7.9	5.0	13.2	6.6	2.3	4.3	0.4	3.1	
Women	68.8	18.8	4.7	14.3	0.7	32.8	6.7	23.5	2.8	9.8	5.5	4.4	12.2	5.7	2.2	3.6	0.6	2.2	
AGE:TOTAL	70.3	18.6	4.6	14.0	0.7	32.3	6.6	23.4	2.5	11.7	7.0	4.8	12.8	6.3	2.3	4.0	0.5	2.8	
Under 25 years of age	62.9	18.6	5.2	13.9	0.2	32.0	8.3	21.3	2.5	5.7	2.4	3.3	12.1	8.6	2.1	6.6	1.2	0.5	
25 to 44 years old	71.6	19.2	5.0	14.2	0.8	35.0	6.4	27.0	1.8	9.3	5.4	3.9	13.6	7.6	2.9	4.8	0.4	2.3	
45 to 64 years old	72.3	18.3	4.5	13.6	0.9	33.0	7.5	23.4	2.5	13.6	8.2	5.5	12.9	6.1	2.3	3.9	0.5	3.1	
65 years old and over	65.9	18.4	4.1	14.5	0.4	27.5	5.7	18.4	3.6	12.9	7.8	5.2	11.6	4.4	1.5	2.9	0.7	3.0	
NATIONALITY:TOTAL	70.3	18.6	4.6	14.0	0.7	32.3	6.6	23.4	2.5	11.7	7.0	4.8	12.8	6.3	2.3	4.0	0.5	2.8	
Spanish	71.4	18.5	4.6	14.0	0.7	32.7	6.7	23.9	2.4	12.3	7.4	5.0	13.2	6.5	2.3	4.2	0.5	2.9	
Foreign	57.1	20.3	5.0	15.1	1.0	28.1	6.1	18.4	3.9	4.9	2.1	2.8	8.4	4.2	1.9	2.3	0.1	1.6	
From a European Union country	67.0	19.2	3.3	15.0	1.6	34.2	7.3	21.1	6.1	8.3	3.3	5.1	10.9	5.5	2.3	3.3	.	2.6	
From other countries	51.3	21.0	6.0	15.1	0.7	24.6	5.4	16.8	2.7	2.9	1.4	1.5	6.9	3.5	1.7	1.8	0.2	1.1	
Notes:

.Data protected by statistical secrecy

Source: National Statistics Institute