Residential Sector
Canada
Table 5: Space Cooling Secondary Energy Use and GHG Emissions by Cooling System Type
  1990   2010 2011 2012 2013 2014 2015
Total Space Cooling Energy Use1 (PJ) 10.0   23.5 23.8 27.3 18.8 17.3 22.2

Energy Use by Cooling System Type (PJ)
Room 2.6   4.0 4.0 4.8 3.5 3.4 4.2
Central 7.4   19.5 19.9 22.5 15.3 13.8 18.0

Shares (%)
Room 25.9   16.9 16.6 17.5 18.6 19.9 18.8
Central 74.1   83.1 83.4 82.5 81.4 80.1 81.2

Activity
Cooled Floor Space (million m2) 268   818 898 952 1016 1078 1157
Energy Intensity (MJ/m2) 37.2   28.7 26.5 28.7 18.5 16.0 19.2
Total Space Cooling GHG Emissions Including Electricity (Mt of CO2e) 0.6   1.1 1.0 1.1 0.7 0.6 0.8

GHG Emissions by Cooling System Type (Mt of CO2e)
Room 0.1   0.2 0.2 0.2 0.1 0.1 0.2
Central 0.4   1.0 0.8 0.9 0.6 0.5 0.7

Shares (%)
Room 25.9   16.9 16.6 17.5 18.6 19.9 18.8
Central 74.1   83.1 83.4 82.5 81.4 80.1 81.2
GHG Intensity (tonne/TJ) 56.2   48.8 42.6 39.6 39.9 37.1 36.5
Total Space Cooling GHG Emissions Excluding Electricity1 (Mt of CO2e)  
GHG Intensity (tonne/TJ)  
Cooling Degree-Day Index 1.05   1.59 1.51 1.70 1.18 1.11 1.37

Footnotes:

1) Space cooling consumes only electricity.