Housing conditions and energy efficiency Households according to whether they have made improvements to thermal insulation or the heating system, by age and gender of the reference person. Unidades: Horizontal percentages. Has made improvements to thermal insulation or the heating system No improvements have been made and it is warm enough during the cold months No improvements have been made and it is not warm enough during the cold months Both genders Total 14,1 60,8 25,1 From 16 to 29 years old 8,4 59,9 31,6 From 30 to 44 years old 13,8 60,1 26,1 From 45 to 64 14,8 60,4 24,8 65 or older 14,1 61,8 24,1 Men Total 14,2 62,4 23,4 From 16 to 29 years old 8,9 62,7 28,4 From 30 to 44 years old 13,6 61,4 24,9 From 45 to 64 14,8 62,2 23 65 or older 14,3 63,6 22,2 Women Total 14 58,5 27,5 From 16 to 29 years old 7,9 57 35,1 From 30 to 44 years old 14,1 58 27,9 From 45 to 64 14,7 57,5 27,7 65 or older 13,8 59,9 26,3 Notas: Fuente: Instituto Nacional de Estadística