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Central air conditioning refers to air conditioning systems,
which distribute cool air throughout the house by way of a system
of air ducts. Central air conditioning systems generally have a
centralized cooling unit and air blower, which connect to ductwork
that is distributed throughout the house.
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A heating and air conditioning unit that heats or cools by moving
heat. Air conditioning units that run it the "heat pump" mode
actually reverse their cycle so that they are taking heat from
the outdoor environment, concentrating that heat, then transferring
it into the inside of the home.
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Either a free standing unit or a component of a central
heating/cooling system that adds moisture to the air before it
is distributed throughout the house.
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Filter products, which use high voltage electrostatic principles
to collect particulate matter. These filters may be of single-stage
or multiple-stage configuration. Part or all of the collecting means
may be manually or automatically cleaned, or disposed of. These products
can be purchased as stand-alone units or can be incorporated into
central heating/cooling systems.
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Stands for Seasonal Energy Efficiency Ratio. An efficiency
measurement that is similar to Miles Per Gallon for cars. The
higher this number, the more energy efficient they system is.
New units have SEER ratings from 10 to 17 BTUs per watt.
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Stands for British Thermal Units. This number indicates the
amount of heat it takes to raise one pound of water one degree
Fahrenheit. The higher the BTU rating, the larger the heating
capacity of the furnace or air conditioner. Homes are measured
to determine the number of BTUs required from a heating or
cooling system.
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