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TABLE 1: TYPICAL COP'S FOR COMFORT
COOLING SYSTEMS
System Coefficient of
performance
Carnot 73·75
Rankine 5·18
Appliance 2·30
System 2·00
TABLE 2: SAVINGS FROM A UK CONFIGURED COOLING SYSTEM
  Coefficient of
performance
Sensible
heat ratio
Annual total cooling
energy consumption (kWh)
CO2 emissions
(tonnes/year)
Running
costs (£)
Installed
cost (£)
Contemporary system 2·0 0·70 104166 74·9 7812 67,500
UK system 3·22 0·85 53,282 38·32 3991 54,000