Air Handler Leakage:Field Testing Results in Residences James B. Cummings, Chuck Withers, Janet McIlvaine, Jeff Sonne, Matt LombardiFlorida Solar Energy Center (FSEC) FSEC-RR-138-03 Abstract Testing was performed to characterize air leakage in 30 air handler cabinets and at connections to supply and return ductwork. Operating pressures were measured in the air handler and plenums. Q 0.1 (Q 25) in the air handler averaged 23.9 cubic feet per minute (cfm) (11.3 l/s) in 30 homes. Leakage … (1 comments)
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I understand that this will be more information than many will want to look at, but it's a detailed study with the conclusions explained and the source is very credible.;)
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