Residential Sector
Nova Scotia
Table 22: Single Detached Heating System Stock by Heating System Type
  1990   1999 2000 2001 2002 2003 2004 2005 2006
Total Single Detached Heating System Stock (thousands) 222.9   255.4 256.5 258.6 261.0 264.5 267.1 269.9 272.4

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 110.1   61.1 55.3 48.9 41.9 36.0 31.0 24.0 18.1
Heating Oil – Medium Efficiency 6.3   66.4 71.4 78.7 87.9 95.1 100.5 108.3 114.5
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 0.4   0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Natural Gas – Medium Efficiency 0.1   1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.5
Natural Gas – High Efficiency 0.1   1.5 1.6 1.6 1.7 1.8 1.9 2.0 2.4
Electric 45.2   55.9 56.8 57.8 56.8 57.2 58.3 58.4 59.2
Heat Pump 5.1   9.4 9.9 10.4 10.9 11.5 12.0 12.6 13.1
Other1 7.0   5.1 5.1 5.1 5.1 5.1 5.1 5.1 5.1
Wood 0.5   1.6 1.4 0.2 0.1 0.1 0.0 0.3 0.0

Dual Systems
Wood/Electric 19.8   21.5 21.9 22.2 22.5 22.8 23.1 23.5 23.7
Wood/Heating Oil 27.6   29.9 30.4 30.8 31.3 31.7 32.1 32.6 33.0
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.7   1.0 1.1 1.1 1.2 1.2 1.3 1.3 1.3

Shares (%)
Heating Oil – Normal Efficiency 49.4   23.9 21.6 18.9 16.0 13.6 11.6 8.9 6.7
Heating Oil – Medium Efficiency 2.8   26.0 27.8 30.4 33.7 36.0 37.6 40.1 42.0
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   0.2 0.2 0.2 0.2 0.2 0.2 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 0.9
Electric 20.3   21.9 22.1 22.4 21.8 21.6 21.8 21.6 21.7
Heat Pump 2.3   3.7 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 0.2   0.6 0.5 0.1 0.0 0.1 0.0 0.1 0.0

Dual Systems
Wood/Electric 8.9   8.4 8.5 8.6 8.6 8.6 8.7 8.7 8.7
Wood/Heating Oil 12.4   11.7 11.8 11.9 12.0 12.0 12.0 12.1 12.1
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.3   0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5

Footnotes:

1) “Other” includes coal and propane.