Residential Sector
Quebec
Table 27: Cooling System Stock by Type, New Unit Efficiencies, Stock Efficiencies and Unit Capacity Ratio
  1990   1997 1998 1999 2000 2001 2002
Total Cooling System Stock (thousands) 335.3   542.0 606.0 581.0 597.0 728.0 794.0

System Stock by Type (thousands)
Room 214.8   331.0 385.0 358.0 362.0 439.0 481.0
Central 120.4   211.0 221.0 223.0 235.0 289.0 313.0

Shares (%)
Room 64.1   61.1 63.5 61.6 60.6 60.3 60.6
Central 35.9   38.9 36.5 38.4 39.4 39.7 39.4

New Unit Efficiencies
Room (EER)1 7.1   9.4 9.4 9.4 9.4 9.4 9.4
Central (SEER)2 9.1   10.3 10.3 10.3 10.3 10.3 10.3

Stock Efficiencies
Room (EER)1 6.8   7.8 7.9 8.1 8.3 8.4 8.6
Central (SEER)2 8.6   9.3 9.4 9.5 9.6 9.7 9.7

Unit Capacity Ratio (Btu/hour)
Room 10,114   9,982 9,952 9,929 9,898 9,829 9,797
Central 32,356   32,981 33,127 33,330 33,466 33,624 33,768

Footnotes:

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