Survey on Households and the Environment 
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Percentage of dwellings, by net monthly household income 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;
Less than 1,100 Euros;56.7;17.1;3.2;13.8;0.6;21.7;4.1;13.9;3.8;10.1;6.7;3.5;11.6;4.5;1.5;3.0;0.5;2.9;
From 1,101 to 1.800 euros;70.2;19.3;4.5;14.8;0.7;30.1;6.2;21.6;2.6;12.1;7.8;4.4;13.5;7.0;2.2;4.8;0.4;2.9;
From 1,801 to 2,700 euros;80.8;20.1;5.4;14.8;0.9;39.9;7.4;30.6;2.0;12.9;7.2;5.8;15.0;9.3;3.4;6.0;0.3;2.4;
More than 2,700 euros;85.7;19.6;5.4;13.7;1.5;47.4;9.0;37.8;1.3;13.4;6.3;7.2;12.8;6.8;3.6;3.3;0.7;2.8;
Does not know/ Does not answer;71.8;18.2;5.2;13.2;0.6;35.1;8.3;25.3;1.9;11.5;6.5;5.0;12.0;5.4;2.1;3.3;0.6;2.7;
Notes:
Source: National Statistics Institute