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	
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	
Employed persons	74.1	18.8	4.7	13.9	0.9	35.9	7.4	26.8	2.0	11.8	7.0	4.8	13.3	7.3	2.8	4.6	0.5	2.7	
1. Employed full-time	74.8	18.8	4.6	13.9	0.9	36.2	7.6	27.0	1.9	12.0	7.1	5.0	13.5	7.4	2.8	4.7	0.4	2.8	
2. Employed part-time	65.6	18.8	5.8	13.7	0.3	32.6	5.9	23.9	3.0	8.8	6.0	2.9	11.7	6.0	2.9	3.2	0.8	2.5	
Unemployed person	53.5	18.7	4.8	14.2	0.4	21.6	4.7	15.2	2.0	5.5	2.9	2.7	12.2	6.4	2.3	4.2	0.2	2.2	
Inactive persons	67.0	18.5	4.4	14.3	0.6	28.6	5.7	19.7	3.4	12.4	7.5	5.0	12.1	4.8	1.6	3.2	0.6	2.9	
1. Pensioners	67.0	18.7	4.3	14.5	0.6	28.3	5.5	19.3	3.6	13.2	8.3	5.0	11.7	4.4	1.5	2.9	0.7	3.0	
2. Housework	65.8	17.4	3.7	13.7	0.6	27.9	5.7	19.6	2.8	11.0	5.7	5.4	12.8	5.3	1.5	3.8	0.4	2.4	
3. Other inactive persons	72.2	21.1	8.1	14.5	0.7	35.9	8.4	24.9	3.2	9.3	6.2	3.1	13.8	7.8	2.8	5.1	0.6	2.7	
Notes:
Source: National Statistics Institute