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Ducted Indoor
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Performance Rating of Unitary Air-conditioning & Air ...
www.ahrinet.orgAug 15, 2013 · outdoor dry bulb, 80°F indoor dry bulb and 67°F indoor wet bulb) existed for multiple types of systems, but was known by different names and acronyms depending upon the system type. The USE EC TC combined test condition specifications from 11 different tables with differing names/symbols into 3 simplified tables with common
A GUIDE TO INSULATED HVAC DUCT SYSTEMS
insulationinstitute.orgare only for indoor use and should be located in areas where ambient temperature does not exceed 150˚F (66˚C). The fibrous glass duct system is normally made up of nominal four foot (1.2m) modules fabricated from 1, 11/ 2, or 2 in. (25, 38, or 51mm) thick, flat fibrous glass duct board stock having a factory-applied reinforced aluminum