4.5 - WINDOWS
  Number of households by region
Canada Atlantic Quebec Ontario
Type of windows that are the majority in the dwelling
Standard single pane with a storm window 826,715 A 51,522 M 208,958 A 345,386 A
Standard single pane 1,419,514 A 66,168 M 309,634 A 539,160 A
Standard double pane 3,032,189 A 203,885 A 843,247 A 1,032,499 A
Standard double pane sealed unit 2,662,863 A 188,690 A 732,709 A 970,390 A
Standard triple pane sealed unit 331,131 A - U 82,309 M 91,692 M
Low-Emissivity (Low-E) coating - gas filled double pane 1,549,923 A 144,474 A 335,553 A 703,784 A
Low-Emissivity (Low-E) coating - gas filled triple pane 329,957 A - U 47,787 M - U
Standard gas filled double pane 1,958,223 A 154,324 A 418,803 A 723,082 A
Standard gas filled triple pane 22,694 M     - U - U
Other 116,304 M - U - U - U
Don't know 1,604,394 A 134,284 A 413,753 A 687,056 A
Not stated 319,901 A 33,190 M 112,711 M - U
Age of the majority of the windows
5 years or less 2,837,928 A 182,426 A 782,934 A 1,025,512 A
6 to 10 years 2,903,802 A 242,966 A 775,434 A 946,389 A
11 to 15 years 2,204,325 A 168,131 A 481,680 A 1,013,848 A
16 or more 4,054,378 A 290,684 A 918,454 A 1,405,431 A
Don't know 1,878,996 A 95,282 A 508,396 A 767,809 A
Not stated 294,378 M - U 94,388 M - U
Condensation on inside surfaces of windows
Yes 3,212,917 A 233,369 A 923,949 A 1,181,976 A
No 10,718,171 A 763,957 A 2,612,816 A 3,978,723 A
Don't know - U     - U - U
Not stated 191,545 M     - U - U

Legend:

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

Source:

2015 Survey of Household Energy Use