Residential Sector
Alberta
Table 26: Heating System Stock Efficiencies
  1990   2015 2016
Heating System Stock Efficiencies by System Type (%)
Heating Oil – Normal Efficiency 60   60 60
Heating Oil – Medium Efficiency 75   78 78
Heating Oil – High Efficiency 85   85 85
Natural Gas – Normal Efficiency 62   62 62
Natural Gas – Medium Efficiency 78   80 80
Natural Gas – High Efficiency 90   90 90
Electric 100   100 100
Heat Pump 190   190 190
Other1 50   50 50
Wood 50   50 50

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

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

Dual Heating Systems Electric/Natural Gas
Electricity 100   100 100
Natural Gas 78   80 80

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

Footnotes:

1) “Other” includes coal and propane.