Residential Sector
Nova Scotia
Table 24: Apartments Heating System Stock by Heating System Type
  1990   2015 2016 2017
Total Apartments Heating System Stock (thousands) 72.1   100.1 101.5 104.8

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 41.0   3.8 2.1 1.0
Heating Oil – Medium Efficiency 2.3   53.1 55.6 58.6
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.1   0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.5 0.4 0.4
Natural Gas – High Efficiency 0.0   1.4 1.4 1.4
Electric 16.4   25.8 26.2 27.1
Heat Pump 0.3   1.5 1.6 1.6
Other1 2.3   1.8 1.9 1.9
Wood 9.0   11.3 11.5 11.9

Dual Systems
Wood/Electric 0.4   0.5 0.5 0.5
Wood/Heating Oil 0.2   0.3 0.3 0.3
Natural Gas/Electric 0.0   0.0 0.0 0.0
Heating Oil/Electric 0.0   0.1 0.1 0.1

Shares (%)
Heating Oil – Normal Efficiency 56.8   3.8 2.1 0.9
Heating Oil – Medium Efficiency 3.2   53.0 54.7 55.9
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.2   0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.4 0.4 0.4
Natural Gas – High Efficiency 0.1   1.4 1.4 1.4
Electric 22.8   25.8 25.8 25.8
Heat Pump 0.4   1.5 1.5 1.6
Other1 3.1   1.8 1.8 1.8
Wood 12.5   11.3 11.3 11.3

Dual Systems
Wood/Electric 0.5   0.5 0.5 0.5
Wood/Heating Oil 0.3   0.3 0.3 0.3
Natural Gas/Electric 0.0   0.0 0.0 0.0
Heating Oil/Electric 0.0   0.1 0.1 0.1

Footnotes:

1) “Other” includes coal and propane.