Residential Sector
Canada
Table 12: Space Heating GHG Emissions by System Type – Excluding Electricity-Related Emissions
  1990   2010 2011 2012 2013 2014 2015
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 38.1   28.3 30.2 29.1 31.2 32.7 30.7

GHG Emissions by System Type (Mt of CO2e)
Heating Oil – Normal Efficiency 9.7   0.1 0.1 0.1 0.1 0.1 0.0
Heating Oil – Medium Efficiency 0.2   4.0 3.9 3.6 3.2 3.1 3.0
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 18.2   2.5 2.4 1.6 0.9 0.5 0.3
Natural Gas – Medium Efficiency 0.8   9.5 10.5 10.1 11.1 11.5 9.7
Natural Gas – High Efficiency 0.9   5.0 6.0 6.6 9.0 11.0 11.2
Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other1 1.2   0.9 0.9 1.0 0.8 0.8 0.7
Wood 0.8   0.5 0.5 0.5 0.6 0.5 0.5

Dual Systems
Wood/Electric 3.8   3.1 3.1 3.2 3.1 2.8 2.9
Wood/Heating Oil 1.9   1.9 1.8 1.7 1.6 1.5 1.5
Natural Gas/Electric 0.1   0.3 0.4 0.4 0.4 0.4 0.4
Heating Oil/Electric 0.5   0.6 0.6 0.5 0.5 0.5 0.5

Shares (%)
Heating Oil – Normal Efficiency 25.4   0.3 0.2 0.3 0.2 0.2 0.1
Heating Oil – Medium Efficiency 0.5   14.1 13.0 12.2 10.2 9.4 9.8
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 47.7   8.8 8.1 5.4 2.8 1.6 0.8
Natural Gas – Medium Efficiency 2.2   33.5 34.6 34.6 35.5 35.1 31.7
Natural Gas – High Efficiency 2.4   17.7 20.0 22.7 28.9 33.7 36.3
Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other1 3.0   3.2 3.1 3.5 2.7 2.3 2.4
Wood 2.2   1.7 1.5 1.7 1.8 1.6 1.8

Dual Systems
Wood/Electric 10.0   11.0 10.4 10.9 10.0 8.7 9.5
Wood/Heating Oil 5.1   6.6 6.0 5.8 5.1 4.6 4.9
Natural Gas/Electric 0.2   1.0 1.2 1.2 1.3 1.4 1.4
Heating Oil/Electric 1.3   2.2 1.8 1.7 1.5 1.4 1.5
GHG Intensity (tonne/TJ) 39.8   31.2 31.3 30.2 29.5 29.7 29.4
Heat Gains (PJ) 89.8   82.2 88.0 74.8 80.1 83.5 76.6
Heating Degree-Day Index 0.92   0.87 0.90 0.84 0.93 0.98 0.92

Footnotes:

1) “Other” includes coal and propane.