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The section of an air conditioning and/or heating system usually located inside the house that consists of a heating component, a blower, and often a cooling coil all in a single cabinet.  When the he [..]

Adjusting the conditioned airflow to provide even temperatures throughout the building. This is achieved by adjusting manual dampers located inside the ductwork, near the air handler.

A British Thermal Unit is used to measure heating and air conditioning capacity.  In layman’s terms, a BTU is the approximate amount of heat put out by a wood match.  The average air conditioning unit [..]

A component used for heating or cooling that is made up of rows of copper or aluminum tubing, connected to each other with plating.  A coil is used to transfer heat out of or into a building.  A car r [..]

The outdoor cabinet on a split heat pump or air conditioning system.  This cabinet houses a compressor, a coil, a fan, and other smaller components.  In the summer, this unit dissipates the heat remov [..]

The U.S. Department of Energy and the Environmental Protection Agency are the federal agencies that set industry efficiency standards, and require consumer efficiency ratings, such as the Energy Star [..]

Conduits used to carry conditioned air.  They can be round or rectangular, sheet metal or fiberglass or insulated flexible plastic tubes.  In air conditioning systems they recirculate conditioned air [..]

Energy Efficiency Rating which measures the steady state efficiency of a cooling system at an outside temperature of 95 degrees.  This is calculated by dividing the capacity of the unit in BTUs by the [..]

A government supported branding used to identify energy efficient products.   The branding was developed by the US Department of Energy and the US Environmental Protection Agency.