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About This Item

 

Full Description

This standard provides laboratory test procedures for the evaluation of HVAC air ducts.

This standard is under continuous maintenance, which is a process ASHRAE uses to keep standards current through the issuance of addenda, or revisions. Please make sure the standard number and date of issue match your document.

When they are available, these addenda can be downloaded for free at the following page of the ASHRAE web site:
http://www.ashrae.org/technology/page/132

When they are available, interpretations of the standard, issued by the sponsoring technical committee, also may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/121

Errata lists are issued occasionally and may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/120

Units: SI

 

Document History

  1. ASHRAE/SMACNA 126-2020


    Standard 126-2020 -- Method of Testing HVAC Air Ducts (ANSI/SMACNA Approved)

    • Most Recent
  2. ASHRAE 126-2016


    Standard 126-2016 -- Method of Testing HVAC Air Ducts (SMACNA/ANSI Approved)

    • Historical Version
  3. ASHRAE 126-2008


    Standard 126-2008 -- Method of Testing HVAC Air Ducts and Fittings (ANSI/ASHRAE/SMACNA Approved)

    • Historical Version
  4. ASHRAE 126-2000

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    Standard 126-2000 -- Method of Testing HVAC Air Ducts (ANSI approved) (SMACNA standard) -- Downloadable

    • Historical Version