Residential Sector
Quebec
Table 27: Cooling System Stock by Type, New Unit Efficiencies, Stock Efficiencies and Unit Capacity Ratio
  1990   2013 2014 2015
Total Cooling System Stock (thousands) 335.3   1,833.8 1,938.2 2,072.2

System Stock by Type (thousands)
Room 214.8   1,140.5 1,215.3 1,290.0
Central 120.4   693.3 722.9 782.2

Shares (%)
Room 64.1   62.2 62.7 62.3
Central 35.9   37.8 37.3 37.7

New Unit Efficiencies
Room (EER)1 7.1   12.0 12.0 12.0
Central (SEER)2 9.1   13.0 13.0 13.0

Stock Efficiencies
Room (EER)1 6.8   11.0 11.2 11.3
Central (SEER)2 8.6   11.6 11.7 11.9

Unit Capacity Ratio (Btu/hour)
Room 10,114   9,113 9,120 9,126
Central 32,356   33,284 33,290 33,303

Footnotes:

1) Energy Efficiency Ratio.
2) Seasonal Energy Efficiency Ratio.