Housing conditions and energy efficiency Households according to whether they have an adequate temperature in the housing in cold months or in summer, by tenure status of the housing. Unidades: Percentages. ;Not warm enough during the cold months;Not cool enough during the summer; Total;27,5;33,6; Property;24,6;31,3; Lease at market price;36,9;42,6; Lease below market price;40,9;45,1; Free assignment;32;33,9; Notas: Fuente: Instituto Nacional de Estadística