Residential Sector
Canada
Table 33: Cooling System Stock by Type, New Unit Efficiencies, Stock Efficiencies and Unit Capacity Ratio
  1990   2015 2016
Total Cooling System Stock (thousands) 2,438   7,567 7,729

System Stock by Type (thousands)
Room 1,067   2,425 2,426
Central 1,371   5,142 5,304

Shares (%)
Room 43.8   32.1 31.4
Central 56.2   67.9 68.6

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

Stock Efficiencies
Room (EER)1 6.8   11.3 11.4
Central (SEER)2 8.6   11.9 12.1

Unit Capacity Ratio (Btu/hour)
Room 10,114   9,121 9,132
Central 32,356   33,215 33,213