The Air Conditioning Contractors of America Educational Institute (ACCA-EI) Standards Task Team (STT) announces the release of an updated ANSI/ACCA 1 Manual D — 2016 (Residential Duct Systems).
The ANSI-recognized national standard for residential HVAC duct design positions contractors to properly design residential ducts for constant volume systems and zoned variable air volume (VAV) systems, over a full range of duct construction materials.
The revised standard has been divided into two portions: normative and informative. The upfront normative sections contain the minimum requirements for conducting a residential duct system design. The informative sections and appendices that follow contain additional explanation, details, and examples on the normative requirements. The principle changes to Manual D — 2016 from the prior 2014 version are:
Copies of ANSI/ACCA 1 Manual DResidential Duct Systems — Third Edition Version 2.5 — 2016 are available now at www.acca.org/store or by calling 888-290-2220.