Housing conditions and energy efficiency Households according to whether they have an adequate temperature in the housing in cold months or in summer, by number of recipients. Unidades: Percentages. ;Not warm enough during the cold months;Not cool enough during the summer; Total;27,5;33,6; 1 recipient;29,7;34,9; 2 recipients;24,3;31,2; 3 recipients or more;28,5;35,2; Not classifiable;40,3;45,9; Notas: A recipient is defined as a household member who has an annual personal income of more than 1,000 euros. Personal income includes income from employment, profits/losses from self-employment, social benefits and income from private pension schemes. 2) Number of recipients: Not classifiable includes households where there is no personal income earner (or where the personal income does not exceed 1,000 euros per year). Fuente: Instituto Nacional de Estadística