5.3 : Heating, Cooling, and Ventilation Equipment




5.3.5 Commercial Equipment Efficiencies
2007 2010 2010
Efficiency Stock U.S. Average Best-Available
Equipment Type Parameter Efficiency New Efficiency New Efficiency
Chiller
Screw COP(full-load / IPLV) 2.80 / 3.05 2.80 / 3.05 3.02 / 4.45
Scroll COP 2.80 / 3.06 2.96 / 4.40 N.A.
Reciprocating COP(full-load / IPLV) 2.80 / 3.05 2.80 / 3.05 3.52 / 4.40
Centrifugal COP(full-load / IPLV) 5.0 / 5.2 6.1 / 6.4 7.3 / 9.0
Gas-Fired Absorption COP 1.0 1.1 N.A.
Gas-Fired Engine Driven COP 1.5 1.8 N.A.
Rooftop A/C EER 10.1 11.2 13.9
Rooftop Heat Pump EER (cooling) 9.8 11.0 12.0
COP (heating) 3.2 3.3 3.4
Boilers
Gas-Fired Combustion Efficiency 77 80 98
Oil-Fired Thermal Efficiency 80 84 98
Electric Thermal Efficiency 98 98 98
Furnace AFUE 77 80 82
Water Heater
Gas-Fired Thermal Efficiency 78 80 96
Oil-Fired Thermal Efficiency 79 80 85
Electric Resistance Thermal Efficiency 98 98 98
Gas-Fired Instantaneous Thermal Efficiency 77 84 89









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Sources:

EIA/Navigant Consulting, EIA - Technology Forecast Updates - Residential and Commercial Buildings Technologies - Reference Case, Oct. 2011, p. 58-98