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| Inspect Ducts |
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Unless your building is extremely tight, it is taking
in a great deal of outside air around windows and doors, as well as through vents
and other openings.
For this reason, there's a good chance that your mechanical
ventilation system is taking in more air than necessary. As long as no symptoms
of poor ventilation are present -- stuffiness, accumulated smoke or odors --
experiment to reduce the amount of air movement your system provides.
Start by adjusting dampers, changing control settings or
fan speeds. On window air conditioning units, try to operate with the vent control
in the "closed" position more often.
Be sure you're within the minimum ventilation guidelines
for local building codes. You may want to contact a specialist to advise you
in this area.
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