Residential Sector
Canada
Table 32: Heating System Stock Efficiencies
  1990   1991 1992 1993 1994 1995 1996 1997 1998
Heating System Stock Efficiencies by System Type (%)
Heating Oil – Normal Efficiency 60   60 60 60 60 60 60 60 60
Heating Oil – Medium Efficiency 75   75 75 75 75 78 78 78 78
Heating Oil – High Efficiency 85   85 85 85 85 85 85 85 85
Natural Gas – Normal Efficiency 62   62 62 62 62 62 62 62 62
Natural Gas – Medium Efficiency 78   78 78 78 78 78 78 79 79
Natural Gas – High Efficiency 90   90 90 90 90 90 90 90 90
Electric 100   100 100 100 100 100 100 100 100
Heat Pump 190   190 190 190 190 190 190 190 190
Other1 50   50 50 50 50 50 50 50 50
Wood 50   50 50 50 50 50 50 50 50

Dual Heating Systems Electric/Wood
Electricity 100   100 100 100 100 100 100 100 100
Wood 50   50 50 50 50 50 50 50 50

Dual Heating Systems Heating Oil/Wood
Heating Oil 75   75 75 75 75 78 78 78 78
Wood 50   50 50 50 50 57 57 57 57

Dual Heating Systems Electric/Natural Gas
Electricity 100   100 100 100 100 100 100 100 100
Natural Gas 78   78 78 78 78 78 78 79 79

Dual Heating Systems Electric/Heating Oil
Electricity 100   100 100 100 100 100 100 100 100
Heating Oil 75   75 75 75 75 78 78 78 78

Footnotes:

1) “Other” includes coal and propane.