A
AHU – An air handling unit, or air handler
ATES – Aquifer Thermal Energy Storage
B
BHE – Borehole Heat Exchangers
BTES – Borehole Thermal Energy Storage
C
COP – Coefficient Of Performance
CFC – Chlorofluorocarbon
D
DHW – Domestic Hot Water
DX – Direct Expansion
E
EER – Energy Efficiency Ratio, referred to cooling
EES – Earth Energy System
G
GCHP– Ground Coupled Heat Pump
GHP – Geothermal Heat Pump
GSHP – Ground Source Heat Pump or Gas-Engine driven Heat Pumps
GWHP – Ground Water Heat Pump
GWP – Global Warming Potential
H
HCFC – Hydrochlorofluorocarbon
HDH – Cumulative Heating Degree Hours
HEX – Heat Exchanger for open systems
HFC – Hydrofluorocarbon
HSPF – Heating Seasonal Performance Factor
HVAC – Heating, Ventilation and Air Conditioning
O
ODP – Ozone Depletion Potential
P
PER – Primary Energy Ratio
R
RES – Renewable Energy Sources
S
SCOP – Seasonal Coefficient of Performance
SEER – Seasonal Energy Efficiency Ratio, referred to cooling
SPER – Seasonal Primary Energy Ratio
SGE – Shallow Geothermal Energy
SPF – Seasonal Performance Factor
U
UTES – Underground Thermal Energy Storage