Table 10 – Characteristics of buildings by main energy source, building size and number of floors for domestic water heating, 2014
  Buildings Floor space
# QI Share millions of m2 QI Share
Canada total 482,402 A 100.0% 803.1 A 100.0%
No water heating 62,881 A 13.0% 37.8 A 4.7%
Total water heating 419,521 A 87.0% 765.3 A 95.3%
By energy source  
Electricity 239,525 A 57.1% 358.7 A 46.9%
Natural gas 165,248 A 39.4% 366.5 A 47.9%
Distillates 7,263 A 1.7% 7.9 A 1.0%
Propane 7,070 C 1.7% 4.8 B 0.6%
Other fuel 2,545 B 0.6% 31.0 C 4.1%
Total 419,521 A 100.0% 765.3 A 100.0%
By building size  
5,000 square feet or less (465 square metres or less) 189,518 A 45.2% 46.5 A 6.1%
5,001 to 10,000 square feet (466 to 929 square metres) 82,562 A 19.7% 55.9 A 7.3%
10,001 to 50,000 square feet (930 to 4,645 square metres) 114,335 A 27.3% 235.0 A 30.7%
50,001 to 200,000 square feet (4,646 to 18,580 square metres) 28,530 A 6.8% 237.2 A 31.0%
Over 200,000 square feet (over 18,580 square metres) 4,576 A 1.1% 190.7 A 24.9%
Total 419,521 A 100.0% 765.3 A 100.0%
By number of floors  
1 208,812 A 49.8% 193.6 A 25.3%
2 132,676 A 31.6% 229.9 A 30.0%
3 51,569 A 12.3% 100.8 A 13.2%
4 to 9 22,527 A 5.4% 130.3 A 17.0%
10 or more 3,937 B 0.9% 110.7 A 14.5%
Total 419,521 A 100.0% 765.3 A 100.0%

Legend:

Quality indicators (QI) classify each estimate according to its quality as follows: A–20% or less, B–between 20% and 30%, C–between 30% and 40%, and F–more than 40%.