7.2 - CENTRAL AIR CONDITIONING
  Number of households by region
Canada Atlantic Quebec Ontario
Age of the central air conditioner
5 years or less 1,316,864 A 62,336 M 314,302 A 672,886 A
6 to 10 years 730,821 A 17,272 M 99,978 A 414,000 A
11 to 15 years 451,861 A - U 63,390 M 318,983 A
16 to 20 years 300,146 A - U - U 180,286 A
21 to 25 years 65,554 M     - U 38,823 M
26 years or more 64,040 M     - U 24,358 M
Valid skip 8,281,220 A 827,534 A 2,677,245 A 1,639,773 A
Don't know 431,666 A - U - U 308,975 M
Not stated 2,531,635 A 68,744 A 336,057 A 1,682,312 A
Households with an ENERGY STAR® central air conditioner
Yes 2,555,372 A 90,726 A 402,151 A 1,599,364 A
No 729,653 A - U 98,982 M 506,426 A
Valid skip 8,281,220 A 827,534 A 2,677,245 A 1,639,773 A
Don't know 2,246,190 A 28,778 M 266,914 A 1,403,464 A
Not stated 361,372 A 45,414 M 115,993 M 131,369 M

Legend:

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

Notes:

Valid skips indicate households that did not use a central air conditioner.
Due to rounding, the numbers may not add up and may differ slightly among tables.

Source:

2015 Survey of Household Energy Use