Residential Sector
Canada
Table 12: Space Heating GHG Emissions by System Type – Excluding Electricity-Related Emissions
  1990   2015 2016
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 38.1   32.0 29.0

GHG Emissions by System Type (Mt of CO2e)
Heating Oil – Normal Efficiency 9.7   0.0 0.0
Heating Oil – Medium Efficiency 0.2   3.0 2.7
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 18.2   0.1 0.0
Natural Gas – Medium Efficiency 0.8   9.2 7.6
Natural Gas – High Efficiency 0.9   13.3 12.3
Electric 0.0   0.0 0.0
Heat Pump 0.0   0.0 0.0
Other1 1.2   0.8 1.0
Wood 0.9   0.7 0.7

Dual Systems
Wood/Electric 3.8   2.9 2.9
Wood/Heating Oil 1.9   1.2 1.1
Natural Gas/Electric 0.1   0.3 0.3
Heating Oil/Electric 0.5   0.4 0.4

Shares (%)
Heating Oil – Normal Efficiency 25.4   0.1 0.0
Heating Oil – Medium Efficiency 0.5   9.4 9.3
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 47.7   0.4 0.2
Natural Gas – Medium Efficiency 2.2   28.7 26.3
Natural Gas – High Efficiency 2.4   41.7 42.3
Electric 0.0   0.0 0.0
Heat Pump 0.0   0.0 0.0
Other1 3.0   2.6 3.3
Wood 2.2   2.0 2.3

Dual Systems
Wood/Electric 10.0   9.0 10.0
Wood/Heating Oil 5.1   3.7 3.8
Natural Gas/Electric 0.2   0.9 0.9
Heating Oil/Electric 1.3   1.3 1.5
GHG Intensity (tonne/TJ) 39.8   33.3 32.8
Heat Gains (PJ) 89.8   105.4 98.8
Heating Degree-Day Index 0.92   0.92 0.89

Footnotes:

1) “Other” includes coal and propane.