A Portion of All AGL Proceeds Support Charitable Causes

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Outdoor Coil/Condensing Unit

The portion of a heat pump or central air conditioning system located outside the home. It functions as a heat transfer point for collecting heat from and dispelling heat to the outside air.

Open-loop Heat-pump System

A heat-pump system that uses groundwater from a well or surface water from a lake, pond or river as a heat source. The water is returned to the environment.

Operating Cost

The day-to-day cost of running your home comfort equipment, based on daily energy use.