Table 3.2 – Characteristics of buildings with space heating renovations
Space heating Building characteristics All buildings Renovated buildings Share
(number) Q.I. (number) Q.I.
Building size All building sizes 482 266 A 84 385 A 17.5%
5000 square feet or less (465 m2 or less) 236 539 A 34 306 A 14.5%
5001 to 10 000 square feet (466 to 929 m2) 91 680 A 16 644 B 18.2%
10 001 to 50 000 square feet (930 to 4645 m2) 123 565 A 25 426 A 20.6%
50 001 to 200 000 square feet (4646 to 18 580 m2) 25 319 A 6 096 A 24.1%
Over 200 000 square feet (Over 18 580 m2) 5 162 A 1 912 B 37.0%
Year of construction All years of construction 482 266 A 84 385 A 17.5%
Before 1920 46 951 A 11 811 C 25.2%
1920 to 1959 83 521 A 15 434 A 18.5%
1960 to 1969 67 758 A 14 270 A 21.1%
1970 to 1979 75 107 A 11 759 B 15.7%
1980 to 1989 91 404 A 15 808 B 17.3%
1990 to 1999 58 106 A 3 962 B 6.8%
2000 or later 59 418 A 11 341 B 19.1%
2000 to 2004 29 316 A F
2005 or later 30 102 A 10 373 C 34.5%
Hours of operation All operating hours 482 266 A 84 385 A 17.5%
36 or less 48 333 A 6 986 B 14.5%
37 to 48 132 389 A 23 246 A 17.6%
49 to 72 149 721 A 29 418 A 19.6%
73 to 96 47 380 A 10 990 B 23.2%
97 to 120 38 492 A 6 856 C 17.8%
121 to 168 65 951 A 6 889 A 10.4%

Note:

Due to rounding, numbers may not add up to the total shown, and some numbers may differ from one table to the next.

Legend:

Quality indicators (Q.I.) classify each estimate according to its quality as follows: A–Excellent, B–Good, C–Acceptable, D–Use with caution, F–Too unreliable to be published and X–suppressed due to confidentiality.