Residential Sector
British Columbia and Territories1
Table 21: Heating System Stock by Building Type and Heating System Type
  1990   2011 2012 2013 2014 2015
Total Heating System Stock (thousands) 1,298.6   1,923.9 1,947.1 1,999.5 2,026.5 2,052.8

Heating System Stock by Building Type (thousands)
Single Detached 759.2   1,012.8 1,018.6 1,032.7 1,040.1 1,046.6
Single Attached 112.3   228.5 233.5 242.0 247.7 253.4
Apartments 373.9   611.5 623.7 652.5 665.8 679.5
Mobile Homes 53.2   71.0 71.4 72.3 72.8 73.3

Shares (%)
Single Detached 58.5   52.6 52.3 51.6 51.3 51.0
Single Attached 8.6   11.9 12.0 12.1 12.2 12.3
Apartments 28.8   31.8 32.0 32.6 32.9 33.1
Mobile Homes 4.1   3.7 3.7 3.6 3.6 3.6

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 152.8   4.0 4.1 3.0 3.2 3.0
Heating Oil – Medium Efficiency 2.1   53.5 53.7 55.1 54.8 53.9
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 608.2   66.7 42.7 22.2 12.9 5.6
Natural Gas – Medium Efficiency 24.6   326.0 321.7 315.4 304.5 290.2
Natural Gas – High Efficiency 50.0   241.7 281.9 328.9 367.3 408.6
Electric 305.8   995.2 1,002.9 1,028.7 1,034.5 1,039.5
Heat Pump 22.2   59.5 61.5 64.3 66.2 68.0
Other1 14.9   21.2 20.7 21.0 20.9 20.6
Wood 25.2   19.7 19.1 19.6 19.6 19.5

Dual Systems
Wood/Electric 58.6   79.2 80.5 81.8 82.4 83.1
Wood/Heating Oil 22.4   30.7 31.2 31.7 32.0 32.3
Natural Gas/Electric 9.0   18.0 18.4 18.8 19.0 19.3
Heating Oil/Electric 2.7   8.6 8.8 9.0 9.1 9.3

Shares (%)
Heating Oil – Normal Efficiency 11.8   0.2 0.2 0.2 0.2 0.1
Heating Oil – Medium Efficiency 0.2   2.8 2.8 2.8 2.7 2.6
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 46.8   3.5 2.2 1.1 0.6 0.3
Natural Gas – Medium Efficiency 1.9   16.9 16.5 15.8 15.0 14.1
Natural Gas – High Efficiency 3.9   12.6 14.5 16.4 18.1 19.9
Electric 23.6   51.7 51.5 51.4 51.0 50.6
Heat Pump 1.7   3.1 3.2 3.2 3.3 3.3
Other1 1.1   1.1 1.1 1.1 1.0 1.0
Wood 1.9   1.0 1.0 1.0 1.0 0.9

Dual Systems
Wood/Electric 4.5   4.1 4.1 4.1 4.1 4.0
Wood/Heating Oil 1.7   1.6 1.6 1.6 1.6 1.6
Natural Gas/Electric 0.7   0.9 0.9 0.9 0.9 0.9
Heating Oil/Electric 0.2   0.4 0.5 0.4 0.5 0.5

Footnotes:

1) “Other” includes coal and propane.