Abbreviations

AAHP Air-to-air heat pump
AC Air conditioner
ACE Annual cooling energy
ACL Annual cooling load
AHE Annual heating energy
AHL Annual heating load
AHU Air handling unit, or air handler
ANSI American National Standards Institute, Inc.
APF Annual performance factor
ARI Air-Conditioning and Refrigeration Institute
ASHP Air source heat pump
CER Certified emission reductions
CFC Chlorofluorocarbon
COP Coefficient of performance
CSPF Cooling seasonal performance factor
DX Direct expansion
DHW Domestic hot water
EER Energy efficiency ratio
FCU Fan coil unit
GIS Green investment scheme
GHG Green house gas
GSHP Ground source heat pump
GWP Global warming potential
HCFC Hydrochlorofluorocarbon
HFC Hydrofluorocarbon
HP Heat pump
hp horsepower
HPWH Heat pump water heater
HSPF Heating seasonal performance factor
HVAC Heating、Ventilating and Air-Conditioning System
HX Heat exchanger
IEA International Energy Agency
IGCC Institute of Global Climate Change
IPCC Intergovernmental Panel on Climate Change
IPF Ice packing factor
IPLV Integrated part load value
IRENA International Renewable Energy Agency
ISO International Organization for Standardization
kWh kilowatt-hour
ODP Ozone depletion potential
PAC Packaged ar-conditioner
PER Primary energy ratio
RES Renewable energy source
SPF Seasonal performance factor
SEER Seasonal energy efficiency ratio
TEWI Total equivalent warming impact
VER Verified emission reductions
VRF Variable refrigerant flow
WSHP Water source heat pump

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