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Wray's
Corner
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1999, 2000. All rights reserved. |
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Basics
of Air Conditioning and Heating
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How AC Works
Air conditioners
cool your home by removing heat from the indoor air and
transferring that heat to the outdoor air.
This heat
is extracted from the home by passing indoor air across a
refrigerant coil in the indoor unit. The heat is then carried by
lines to the outdoor unit, where it is released to the outside
air. The cooling cycle continues until the indoor temperature
reaches the thermostat setting.
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How a Heat Pump
Works
In
the summer, an electric heat pump cools your home by removing
heat from the indoor air and transferring that heat to the
outdoor air.
This heat is extracted from the home by
passing indoor air across a refrigerant coil in the indoor unit.
The heat is then carried by lines to the outdoor unit, where it
is released to the outside air. The cooling cycle continues
until the indoor temperature reaches the thermostat setting.
Summer
Winter
The electric heat pump heats your by
moving existing heat from one area to another. An outdoor coil
absorbs heat which exists in the outside air and transfers it
via refrigerant lines to the indoor coil, where it is released
to warm your home.
An auxiliary (back-up) electric
resistance heater is an option which works with the heat pump
when the outdoor temperature goes below the balance point (the
point where your home's heating requirement is greater than the
heat collected by the electric heat pump alone.)
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