THE DUCT SYSTEM, used in air heating and air cooling your home,
is a collection of tubes that distributes the heated or cooled air to
the various rooms. This system can make a big difference in both
the cost and the effectiveness of heating and cooling the home.
The duct system can have an important effect on health of
the occupants through the distribution of indoor air pollution.
Changes and repairs to a duct system should always be performed
by a qualified professional.
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