DUCT SYSTEM DESIGN CONSIDERATIONS - RSES.orgExplore further
2009-11-19u2002·u2002duct runs possible are attained.The shorter the duct runs are, the lower the resistance to air flow and the lower the heat gains and heat losses will be. One dis-advantage to locating the air handler in the attic space is serviceability.Provisions for service access must be provided. Most local codes require a floored walkway
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