Residential Sector
Nova Scotia
Table 23: Single Attached Heating System Stock by Heating System Type
  1990   1999 2000 2001 2002 2003 2004 2005 2006
Total Single Attached Heating System Stock (thousands) 19.1   23.5 23.8 24.0 24.3 24.8 25.3 25.8 26.3

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 10.7   6.9 6.4 5.9 5.3 4.7 4.3 3.7 3.1
Heating Oil – Medium Efficiency 0.5   6.2 6.8 7.4 8.3 9.1 9.7 10.6 11.3
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Natural Gas – High Efficiency 0.0   0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2
Electric 4.2   5.5 5.7 5.8 5.7 5.8 6.0 6.0 6.2
Heat Pump 0.3   0.9 0.9 1.0 1.0 1.1 1.1 1.2 1.3
Other1 0.6   0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Wood 1.9   2.4 2.4 2.4 2.4 2.5 2.5 2.6 2.6

Dual Systems
Wood/Electric 0.6   0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7
Wood/Heating Oil 0.2   0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Natural Gas/Electric 0.0   0.0 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 0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 56.1   29.3 27.0 24.5 21.7 19.1 17.0 14.3 11.9
Heating Oil – Medium Efficiency 2.9   26.5 28.4 30.9 34.1 36.6 38.3 40.9 43.0
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.2   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Natural Gas – Medium Efficiency 0.0   0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Natural Gas – High Efficiency 0.1   0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.8
Electric 22.1   23.5 23.8 24.0 23.5 23.3 23.6 23.4 23.5
Heat Pump 1.5   3.6 3.8 4.0 4.2 4.3 4.5 4.7 4.8
Other1 3.1   2.0 2.0 2.0 2.0 1.9 1.9 1.9 1.9
Wood 10.1   10.2 10.2 9.8 9.8 9.9 9.9 10.0 10.0

Dual Systems
Wood/Electric 3.1   2.7 2.7 2.7 2.8 2.7 2.7 2.7 2.7
Wood/Heating Oil 0.9   0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Natural Gas/Electric 0.0   0.0 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 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.