Residential Sector
Nova Scotia
Table 21: Heating System Stock by Building Type and Heating System Type
  1990   2012 2013 2014 2015
Total Heating System Stock (thousands) 328.3   426.3 433.9 435.7 439.0

Heating System Stock by Building Type (thousands)
Single Detached 222.9   284.5 287.4 288.1 289.1
Single Attached 19.1   29.6 30.8 31.0 31.4
Apartments 72.1   95.2 98.6 99.5 101.2
Mobile Homes 14.2   17.0 17.2 17.2 17.2

Shares (%)
Single Detached 67.9   66.7 66.2 66.1 65.9
Single Attached 5.8   6.9 7.1 7.1 7.2
Apartments 22.0   22.3 22.7 22.8 23.1
Mobile Homes 4.3   4.0 4.0 3.9 3.9

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 169.6   9.5 6.8 5.4 3.8
Heating Oil – Medium Efficiency 9.6   205.7 213.7 218.4 221.8
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.5   0.3 0.2 0.2 0.1
Natural Gas – Medium Efficiency 0.1   2.3 2.2 2.2 2.2
Natural Gas – High Efficiency 0.2   5.2 5.4 5.5 5.9
Electric 69.0   98.7 99.6 98.4 98.4
Heat Pump 5.8   18.9 19.5 19.8 20.3
Other1 10.3   7.7 7.7 7.6 7.7
Wood 12.8   14.8 15.3 15.4 15.6

Dual Systems
Wood/Electric 21.0   26.3 26.3 26.0 26.1
Wood/Heating Oil 28.7   35.6 35.6 35.2 35.4
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0
Heating Oil/Electric 0.7   1.6 1.6 1.6 1.7

Shares (%)
Heating Oil – Normal Efficiency 51.7   2.2 1.6 1.2 0.9
Heating Oil – Medium Efficiency 2.9   48.2 49.2 50.1 50.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.2   0.1 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.5 0.5 0.5 0.5
Natural Gas – High Efficiency 0.1   1.2 1.2 1.3 1.4
Electric 21.0   23.1 22.9 22.6 22.4
Heat Pump 1.8   4.4 4.5 4.5 4.6
Other1 3.1   1.8 1.8 1.8 1.7
Wood 3.9   3.5 3.5 3.5 3.6

Dual Systems
Wood/Electric 6.4   6.2 6.1 6.0 6.0
Wood/Heating Oil 8.7   8.3 8.2 8.1 8.1
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0
Heating Oil/Electric 0.2   0.4 0.4 0.4 0.4

Footnotes:

1) “Other” includes coal and propane.