Residential Sector
Territories
Table 22: Single Detached Heating System Stock by Heating System Type
  1990   2010 2011 2012 2013 2014 2015
Total Single Detached Heating System Stock (thousands) 13.4   20.1 21.6 22.1 22.7 23.2 23.4

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 9.1   2.8 2.1 2.3 1.6 1.8 1.7
Heating Oil – Medium Efficiency 0.9   9.9 11.7 11.9 13.0 13.2 13.4
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.9   0.5 0.4 0.4 0.3 0.2 0.2
Natural Gas – Medium Efficiency 0.1   1.9 1.9 1.9 1.9 1.9 1.8
Natural Gas – High Efficiency 0.2   1.6 1.8 1.9 2.1 2.2 2.4
Electric 0.4   0.5 0.6 0.6 0.6 0.6 0.6
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other1 1.1   1.8 1.9 2.0 2.0 2.1 2.1
Wood 0.7   1.0 1.1 1.1 1.2 1.2 1.2

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 67.9   14.1 9.7 10.5 7.2 7.7 7.1
Heating Oil – Medium Efficiency 6.4   49.1 54.3 53.7 57.2 56.9 57.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 6.4   2.6 2.1 1.7 1.3 0.9 0.7
Natural Gas – Medium Efficiency 0.9   9.7 9.0 8.7 8.4 8.0 7.7
Natural Gas – High Efficiency 1.8   8.0 8.2 8.7 9.2 9.7 10.3
Electric 3.3   2.6 2.6 2.6 2.6 2.6 2.6
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other1 8.4   8.9 9.0 9.0 9.0 9.0 9.0
Wood 5.0   5.1 5.2 5.1 5.2 5.2 5.2

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.