5.2 - DWELLING IMPROVEMENTS TO REDUCE ENERGY CONSUMPTION
  Number of households by region Number of households by year of construction
Alberta British Columbia Before 1950 1950 – 1969 1970 – 1979
Made any improvements to the dwelling that reduce energy consumption since January 1st, 2000
No improvements made 357,071 A 356,077 M 159,886 A 268,290 A 274,131 A
Improvements have been made 664,005 A 688,204 A 890,869 A 1,435,541 A 1,373,102 A
Don't know U U U U U
Not stated U U 65,547 M 59,141 M 111,422 M
Households made improvements to heating equipment (including fireplaces and woodstoves)
5 years or less 175,590 M 165,930 M 266,099 A 448,655 A 342,907 M
More than 5 years 77,980 M 119,718 M 150,049 M 254,167 A 232,099 A
Not stated 181,049 M 169,926 M 147,745 M 233,092 A 290,503 A
Total households with improvements 434,620 A 455,575 A 563,893 A 935,915 A 865,509 A
Households made improvements to windows (including patio doors)
5 years or less 198,647 A 160,730 M 409,765 A 444,810 A 473,653 A
More than 5 years 112,317 M 78,688 M 140,189 M 265,139 A 283,760 A
Not stated 168,024 M 160,846 M 168,191 M 274,195 A 272,689 A
Total households with improvements 478,987 A 400,264 A 718,146 A 984,144 A 1,030,102 A
Households made improvements to caulking or weather-stripping around windows and doors
5 years or less U U 90,606 M 60,780 M 61,077 M
More than 5 years 58,151 M 63,697 M 84,612 M 141,004 M 128,123 M
Not stated 339,400 A 328,118 M 402,319 A 617,035 A 689,353 A
Total households with improvements 434,043 A 434,057 A 577,537 A 818,819 A 878,553 A
Households made improvements to the insulation of the basement or crawl space walls
5 years or less U U U U U
More than 5 years U U 73,516 M 117,889 M 95,355 M
Not stated 215,339 A 247,290 M 322,469 M 440,459 A 467,317 A
Total households with improvements 304,486 A 281,906 M 425,376 A 598,029 A 589,860 A
Households made improvements to the insulation around the hot water pipes
5 years or less U U 128,213 M U U
More than 5 years U U 63,969 M 102,418 M 99,178 M
Not stated 181,867 M 178,998 M 226,954 M 299,028 A 321,007 A
Total households with improvements 253,864 A 270,639 M 419,137 A 518,894 A 589,706 A
Households made improvements to the insulation of the roof or the attic
5 years or less 99,915 M U 132,755 M 196,300 A 129,103 M
More than 5 years U 51,212 M 101,355 M 105,458 M 98,104 M
Not stated 178,539 M 165,763 M 187,207 M 288,558 A 380,313 M
Total households with improvements 329,252 A 284,770 M 421,317 A 590,316 A 607,520 A
Households made improvements to the insulation of any exterior walls (excluding basement)
5 years or less U U U U U
More than 5 years U U 77,762 M 74,984 M 47,912 M
Not stated 213,708 A 228,400 M 308,171 A 357,962 A 427,301 A
Total households with improvements 264,221 A 255,333 M 398,286 A 443,694 A 494,610 A
Households made improvements to exterior doors (including garage doors)
5 years or less 111,382 M 96,667 M 176,058 M 274,210 A 273,652 A
More than 5 years 44,796 M U 106,771 M 169,118 A 145,702 M
Not stated 184,439 M 173,963 M 184,654 M 272,353 A 416,191 M
Total households with improvements 340,617 A 310,192 M 467,482 A 715,681 A 835,545 A
Households installed a programmable thermostat
5 years or less 148,659 M 159,897 M 255,452 M 367,795 A 387,694 M
More than 5 years 134,810 M 160,140 M 138,019 M 233,329 A 277,683 A
Not stated 213,402 M 169,957 M 180,265 M 280,758 A 347,190 A
Total households with installments 496,871 A 489,994 A 573,736 A 881,882 A 1,012,566 A
Households made improvement(s) to the ventilation or central air conditioning equipment
5 years or less U U 103,952 M 237,710 M 180,598 M
More than 5 years U U 38,230 M 86,831 M 117,513 M
Not stated 174,862 M 194,710 M 200,780 M 299,533 A 319,794 A
Total households with improvements 258,826 A 283,465 M 342,961 A 624,074 A 617,905 A
Households made other improvement(s)
5 years or less 246,107 M 187,982 M 384,286 A 501,839 A 481,801 A
More than 5 years 75,740 M 80,533 M 154,563 A 281,191 A 252,414 A
Not stated 164,746 M 166,281 M 177,797 M 274,122 A 276,952 A
Total households with improvements 486,593 A 434,795 A 716,646 A 1,057,153 A 1,011,167 A
Number of improvement made since January 1st, 2000
1 to 3 370,867 A 468,005 A 420,896 A 716,134 A 714,570 A
4 to 6 165,210 M 131,879 M 279,596 M 474,952 A 435,852 A
7 or more U U 138,235 M 127,012 M 104,823 M
Not stated U 47,402 M U 117,442 M 117,858 M
Main reason household did not make any improvements
No improvements are currently necessary 149,878 M 191,834 M 58,359 M 101,492 M 89,278 M
Planning to make improvements in the future U U U U U
Not aware of government financial aid or assistance U U U U U
Planning to sell U U U U U
Dwelling was recently purchased or built 82,074 M U U U U
Improvements are too costly U U 65,191 M 45,098 M 72,721 M
Do not have time U U U U
No government financial aid or assistance U U U U U
Other U U U U U
Don't know U U U U U
Not stated U U U U U

Note:

Due to rounding, the numbers may not add up and may differ slightly among tables.

Legend:

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

Source:

2011 Survey of Household Energy Use