1. Their efficiency is measured by a coefficient of performance ( COP ). 2. Coefficient of performance is the closest thing I could find.3. A reasonable way to analyse these systems is by measuring their coefficient of performance . 4. The air conditioning chillers'efficiency is measured by their coefficient of performance ( COP ). 5. Compared to conventional heat pumps, Stirling heat pumps often have a higher coefficient of performance . 6. Its coefficient of performance also increases to a range of 0.2 to 0.6. 7. This ratio is termed the coefficient of performance or COP and is a measured characteristic of a thermoelectric device. 8. Cooling performance is typically expressed in units of BTU / hr / watt as the coefficient of performance ( COP ). 9. The coefficient of performance ( COP ) of the underground heat exchanger thus designed was poor ranging from 1.5 3. 10. Rather than measuring'efficiency'of these systems, it is better to use the measure'coefficient of performance '.
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