AHU

An air handling unit, or air handler

COP

Coefficient Of Performance

CFC  

Chlorofluorocarbon

DHW

Domestic Hot Water

DX

Direct Expansion

EER

Energy Efficiency Ratio

EES

Earth Energy System

GCHP

Ground Coupled Heat Pump

GHP

Geothermal Heat Pump

GSHP

Ground Source Heat Pump

GWHP

Ground Water Heat Pump

GWP

Global Warming Potential

HCFC

Hydrochlorofluorocarbon

HDH

Cumulative Heating Degree Hours

HFC

Hydrofluorocarbon

HSPF

Heating Seasonal Performance Factor

HVAC

Heating, Ventilation and Air Conditioning

ODP

Ozone Depletion Potential

SEER

Seasonal Energy Efficiency Ratio

SPF

Seasonal Performance Factor