Residential Sector
British Columbia
Table 21: Heating System Stock by Building Type and Heating System Type
  1990   2011 2012 2013 2014 2015
Total Heating System Stock (thousands) 1,272.6   1,884.7 1,907.1 1,958.3 1,984.3 2,010.3

Heating System Stock by Building Type (thousands)
Single Detached 745.8   991.2 996.5 1,010.0 1,016.9 1,023.2
Single Attached 107.6   221.8 226.6 234.9 240.5 246.2
Apartments 368.9   603.9 615.9 644.3 657.3 670.9
Mobile Homes 50.2   67.8 68.1 69.1 69.5 70.0

Shares (%)
Single Detached 58.6   52.6 52.3 51.6 51.2 50.9
Single Attached 8.5   11.8 11.9 12.0 12.1 12.2
Apartments 29.0   32.0 32.3 32.9 33.1 33.4
Mobile Homes 3.9   3.6 3.6 3.5 3.5 3.5

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 135.0   0.0 0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.6   32.6 32.2 31.7 30.8 29.6
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 606.4   65.7 41.9 21.6 12.5 5.3
Natural Gas – Medium Efficiency 24.4   322.1 317.9 311.6 300.8 286.5
Natural Gas – High Efficiency 49.6   238.8 278.7 325.4 363.6 404.5
Electric 305.0   994.2 1,001.9 1,027.6 1,033.4 1,038.4
Heat Pump 22.2   59.5 61.5 64.3 66.2 68.0
Other1 12.7   17.7 17.2 17.3 17.1 16.7
Wood 23.9   17.7 17.0 17.5 17.4 17.3

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 10.6   0.0 0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.0   1.7 1.7 1.6 1.6 1.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 47.7   3.5 2.2 1.1 0.6 0.3
Natural Gas – Medium Efficiency 1.9   17.1 16.7 15.9 15.2 14.3
Natural Gas – High Efficiency 3.9   12.7 14.6 16.6 18.3 20.1
Electric 24.0   52.7 52.5 52.5 52.1 51.7
Heat Pump 1.7   3.2 3.2 3.3 3.3 3.4
Other1 1.0   0.9 0.9 0.9 0.9 0.8
Wood 1.9   0.9 0.9 0.9 0.9 0.9

Dual Systems
Wood/Electric 4.6   4.2 4.2 4.2 4.2 4.1
Wood/Heating Oil 1.8   1.6 1.6 1.6 1.6 1.6
Natural Gas/Electric 0.7   1.0 1.0 1.0 1.0 1.0
Heating Oil/Electric 0.2   0.5 0.5 0.5 0.5 0.5

Footnotes:

1) “Other” includes coal and propane.