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What is ASHRAE's position on the use of internal duct lining?

ASHRAE addresses the use of duct liners in Chapter A48 of the 2011 ASHRAE Handbook – HVAC Applications. Information on Duct design can be found in Chapter F21 of the 2009 ASHRAE Handbook - Fundamentals and in Chapter S18 of the 2008 ASHRAE Handbook - Systems and Equipment. The handbooks may be purchased and/or individual chapters of the handbook may be purchased and downloaded on-line at our website, or by calling 1-800-527-4723 in the USA and Canada or 1-404-636-8400 worldwide.


Additional information on duct liners can be found in the following documents: • ASHRAE Standard 62.1-2010, Section 5.5 • Fungal Levels on Interior Surfaces of Ventilation Ductwork (ASHRAE IAQ01-310) • Fungal Spores Dispersed from Fiberglass Ductwork, Fiberglass Liner, and Galvanized Metal Air-Handling System Duct Material (ASHRAE IAQ01-512) • Duct Liner Materials and Acoustics (ASHRAE Journal Vol. 45 #12) • The Aero-Acoustic Properties of Common HVAC Plena (ASHRAE RP-1026)

SMACNA - Sheet Metal & Air Conditioning Contractors' National Association - NADCA- National Air Duct Cleaners Association - NAIMA - North American Insulation Manufacturer's Association

2009 ASHRAE Handbook - Fundamentals, Chapter F21 ASHRAE Pubs

2008 ASHRAE Handbook - Systems and Equipment, Chapter S18

2011 ASHRAE Handbook – HVAC Applications, Chapter A48 ASHRAE Standard 62.1-2010 plus ASHRAE BOD approved addenda.

Topic References

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ducts, indoor air quality (IAQ)

Cognizant ASHRAE Committees TC 5.2 EHC

Refer to Organization SMACNA NADCA NAIMA

Tc 05 02 faq 20