Residential Sector
Canada
Table 30: Apartments Heating System Stock by Heating System Type
  2000   2016 2017 2018 2019 2020 2021
Total Apartments Heating System Stock (thousands) 3,839   4,872 4,952 5,042 5,131 5,235 5,350

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 200   4 2 1 1 0 0
Heating Oil – Medium Efficiency 266   281 266 248 228 206 184
Heating Oil – High Efficiency 0   0 0 0 0 0 0
Natural Gas – Normal Efficiency 807   20 6 1 1 0 0
Natural Gas – Medium Efficiency 491   661 623 580 538 496 456
Natural Gas – High Efficiency 308   1,357 1,435 1,515 1,595 1,682 1,774
Electric 1,464   2,219 2,285 2,355 2,420 2,493 2,569
Heat Pump 29   58 60 63 65 68 72
Other1 36   65 70 76 80 84 89
Wood 170   113 108 103 102 101 100

Dual Systems
Wood/Electric 20   25 25 26 26 27 27
Wood/Heating Oil 9   10 11 11 11 11 11
Natural Gas/Electric 11   18 19 19 20 20 21
Heating Oil/Electric 28   41 42 43 45 46 47

Shares (%)
Heating Oil – Normal Efficiency 5.2   0.1 0.0 0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 6.9   5.8 5.4 4.9 4.4 3.9 3.4
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 21.0   0.4 0.1 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 12.8   13.6 12.6 11.5 10.5 9.5 8.5
Natural Gas – High Efficiency 8.0   27.8 29.0 30.0 31.1 32.1 33.2
Electric 38.1   45.5 46.1 46.7 47.2 47.6 48.0
Heat Pump 0.8   1.2 1.2 1.2 1.3 1.3 1.3
Other1 0.9   1.3 1.4 1.5 1.6 1.6 1.7
Wood 4.4   2.3 2.2 2.0 2.0 1.9 1.9

Dual Systems
Wood/Electric 0.5   0.5 0.5 0.5 0.5 0.5 0.5
Wood/Heating Oil 0.2   0.2 0.2 0.2 0.2 0.2 0.2
Natural Gas/Electric 0.3   0.4 0.4 0.4 0.4 0.4 0.4
Heating Oil/Electric 0.7   0.8 0.9 0.9 0.9 0.9 0.9

Footnotes:

1) “Other” includes coal and propane.