Smacna hvac air duct leakage test manual, 2nd edition. As reported in the smacna 1990 hvac systems duct design manual, duct leakage. This tool allows engineers, architects, designers, and contractors to easily and accurately estimate the leakage of air from ductwork. Smacna expresses appreciation to the many who have offered suggestions for constructive improvement in the fab. Issues of sealing duct to a leakage class and seal class case 1. Hvac duct construction standards metal and flexible, 3rd edition. The hvac air duct leakage test manual has been incorporated by reference and is legally mandated by the united states in title 10 of the code of federal regulations, section 434. Leakage test pressure should not exceed duct pressure class level. By the authority vested by part 5 of the united states code 552a and part 1 of the code of regulations 51 the attached document has been duly incorporated by reference and shall be considered legally binding upon all citizens and residents of the united states of america. Hvac air duct leakage test manual, 2nd edition 2005 smacna. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. Rectangular industrial duct construction standards smacna. The types of fittings to be used based on the designers calculations of fitting losses i.
Jul 01, 2019 leave a comment on free smacna manual pdf nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was. Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual. Air leakage in ductwork rev 02 linx industries, inc. Smacna standard ansi smacna 016 hvac air duct leakage test manual, 2nd edition, 2012 pdf download skip to the end of the images gallery. As an ansiaccredited standards developing organization, smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to. Smacna recently stated in the forward of the 2nd edition hvac air duct leakage manual 2012, smacna encourages designers to specify equipment air leakage control and to rely on prescriptive sealing ductwork as measures that will normally lead to effective control of air leakage without the need for. Prior to smacna hvac air duct leakage test manual, 1985 two id i lidentical phases of a research b ildibuilding were bilbuilt by different contractors. Subscribe to smacna content online and create your own library. The fourth edition of hvac systems duct design presents the basic methods and procedures required to design hvac air distribution systems. This article discusses the history of duct air leak testing and describes proper techniques and practical application when leak testing is performed in accordance with the sheet metal and air conditioning contractors national association smacna standards. Bookstores should call smacna for ordering information. Foreword smacna first published a procedure for leakage testing of socalled medium and high pressure ductwork since january 1965.
A companion to hvac duct construction standard metal and flexible, this manual contains duct construction leakage classification, expected leakage rates for sealed and unsealed ductwork, duct leakage test procedures, recommendations. Representative sections totaling no less than 25 percent of the total installed duct area for the designated pressure class shall. For our example with a seal class of c for the low. Smacna architectural sheet metal manual, 7th edition figure k1 the greatest usable heat is at the largest part of the tinned area 2012 smacna. Easily and accurately size downspout and gutters per smacna s architectural sheet metal manual.
Smacna air duct leakage app this simple to use but effective application is provided by the sheet metal and air conditioning contractors national association smacna. The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19, new york. Smacna has published a procedure for leakage testing of socalled medium and high pressure ductwork since january 1965. This second edition expands the scope of the 1980 version, updating original text to incorporate a revised theory of design, new materials and more user friendly tables. Adobe acrobatreader and the fileopen security handler plugin is required to view smacna manuals. Duct liner metal nosing shall be used on leading edges of each piece of lined duct when the velocity exceeds 4000 fpm.
Smacna standards and manuals address all facets of the sheet metal industry, from duct construction and installation to air pollution control, energy recovery, and roofing. Howard, iii sheet metal and air conditioning contractors national association. Smacna technical manuals pmsmca plumbing mechanical sheet. Ansismacna 0062006 hvac duct construction standards. Hvac air duct leakage test manual this american national standard, ansi smacna 0162012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Ashrae spc215 takes duct testing to a new level by specifying the methods of duct testing to be used to determine leakage. The fileopen plugin works with adobe reader and other viewers. Guidelines for mechanical systems, 3rd edition 2008, ansi smacna 0012008, is an updated set of guidelines that shows designers and contractors how to determine the correct restraints for sheet metal ducts, piping and conduit, so that they are more likely to remain attached to the. Smacna standard ansismacna 016 hvac air duct leakage.
Code changes for duct system standards you should know. Previous industry guidelines pertaining to air distribution systems primarily focused on what to test and what results are necessary for passage. If specimen fails to meet allotted leakage level, the contractor shall modify to bring it into compliance and shall retest it until acceptable leakage is demonstrated. Mcgill airflow receives many inquiries each year from contractors, who are performing leak tests in the. Sheet metal and air conditioning contractors national association subject. Smacna 2012 hvac leakage test manual shows the recommended leakage class. This american national standard, ansi smacna 0162012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition.
This third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Technical paper on hvac air duct leakage smacna published the hvac air duct leakage test manual in conjunction with the smacna hvac duct construction standards. Smacna published the hvac air duct leakage test manual in conjunction with the smacna. Smacna sheet metal and air conditioning contractors. Ansi smacna 0062006 hvac duct construction standards eli p. Smacna hvac air duct leakage test manual, 2nd edition book by sheet metal and air conditioning contractors national association, 2012 view all product details. Residential comfort system installation standards manual. Revised design manual for commercial and light industrial hvac systems. Air duct leakage test manual as published by the sheet metal and air conditioning contractors national. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. Rectangular industrial duct construction standards metric.
The pdf download is licensed per individual in which the individual can place on up to four electronic devices for their personal use. Nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was. It was incorporated into the law because the of the high quality and integrity of the work and it is the very purpose of the law that the citizens should know and follow the requirements. Predicted leakage rates in unsealed ducts were omitted. The purpose of requiring the hvac air duct leakage test manual is to help promote the public safety.
Accepted industry practice for industrial duct construction, 2nd ed. Retrotecs duct leakage test software carry out tests that are compliant with en12237, fd e767, smacna, dw143 and single point residential test variants manual data entry or fully automatic data capture generate reports in ms word from captured readings or output directly to ms excel. Smacna is the sheet metal and air conditioning contractors national association. Prior to smacna hvac air duct leakage test manual, 1985 two id i l h. It appeared in chapter 10 of the high velocity later high pressure construction standards and in chapter 8 of the balancing and adjustment of air distribution systems manual of 1967 vintage. Smacna recently stated in the forward of the 2nd edition hvac air duct leakage manual 2012, smacna encourages designers to specify equipment air leakage control and to rely on prescriptive sealing ductwork as measures that will normally lead to effective control of air leakage. The results of these certified tests which permit the variation are shown on the back page of this manual.
Standards from smacna are available both individually, directly through the ansi webstore, and as part of a standards subscription. Smacna hvac air duct leakage manual why smacna s method for leakage testing is the correct method. Advice to consult the smacna hcva air duct leakage test manual was entered. Mar 16, 2020 free smacna manual pdf nonexclusive, royaltyfree permission is granted to government and private sector advice to consult the smacna hcva air duct leakage test manual was. Hvac air duct leakage test manual and table 11 on page 1. Iapmo green plumbing and mechanical code supplement duct leakage tests. The industry accepted method of air leakage field testing is well documented by the smacna air leakage. Duct leakage white paper introduction air duct leakage should be a concern to both the design engineer and the building owner because of its potential impact on the initial construction costs, energy usage, and system. If you try to open a pdf cd version of the manual on a different computer, you will not be successful.
In addition to the basic engineering guidelines for the sizing of hvac ductwork systems, the manual also provides related information on materials, methods of construction, economics of duct systems, duct system layout, pressure losses, fan selection, duct leakage, acoustic considerations, and testing, adjusting and balancing tab. The hvac duct construction app has been updated for ios compatibility. The ashrae fundamentals handbook chapter on duct design and the smacna hvac duct systems design manual contain additional information on evaluating duct leakage. Smacna standard ansismacna 016 hvac air duct leakage test manual, 2nd edition, 2012 pdf download. Guidelines for roof mounted outdoor airconditioning installations, 2nd ed. Rectangular industrial duct construction standards order no. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0. This manual provides the hvac system designer detailed information on duct design and u. Also, both options have been shown, so as to provide this manual as a quick reference to smacna standards. Smacna 0162012, covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. If field leak tests are required, appr opriate test pressure and clear scope of testing must be specified. Us duct leakage testing ri trequirements smacna duct class. Air duct leakage test manual and select appropriate allowable leakage. In order to read a secure pdf, you will need to install the fileopen plugin on your computer.
Offers options methods, materials and construction for solving energy costs and conservation. A quick overview of the changes is provided in the front of this manual. A number of duct fittings are used to illustrate airflow movement variations through a duct system. Available in pdf or cd only 2nd edition, 2007, 444 pages.
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