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Book

HVAC Duct Construction Standards - Metal and Flexible

Building on a history of duct construction standards nearly 100 years old, the flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in the sheet metal duct fabrication and installation requirements. Significant changes for the 4th edition include; flat oval tables for positive/negative pressure applications; spray and aerosolized duct sealants; non-fiberglass duct liner applications; added information on spiral duct fittings; updates to duct hanger requirements; flexible duct hanger spacing and support bracing.


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Book

System Air Leakage Test Standard

SMACNA has included a procedure for leakage testing of ductwork Since January of 1965. This process like many others has evolved after more research and feedback from the industry led to changes in both the pass/fail criteria and the application of testing. The next major leap forward is this standard. It goes beyond the duct and include procedures for any item included in a forced air system. This standard addresses leakage testing of any portion of, and up to the entire forced air system. It does so in a responsible manner where the pass/fail criterions are based on sound research specific to testing conditions and distributes the responsibility of system performance equitably. The testing process is reliable, practical and based on decades of experience.


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Book

Residential Comfort Systems Installation Standards Manual

This revised manual addresses three new areas: Hydronic heating systems, multistory HVAC systems, and residential commissioning. Appendix chapters provide overviews of methods for including crawlspaces in the conditioned space and the HVAC accessories, such as UV lights, zoning, and advanced air filtering methods to enhance indoor environmental quality (IEQ) for occupants. More detailed information and new concepts are induded for earth energy heat exchanger methods for ground source heat pumps. Updated construction code requirements are reflected throughout the range of HVAC system types, along with energy efficiency and sustainable practices. Installation, operation, maintenance, and guidance for residential heating, ventilation and air conditioning systems are also included.
 


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SMACNews Apr 30 2021

UV-C for HVAC Air and Surface Disinfection

Despite decades of research and thousands of applications in hospital emergency and operating rooms, urgent-care centers, universities, and first-responder locations, UV-C has not been widely leveraged. 

SMACNews

‘A Pretty Good Win’

Even a global pandemic couldn’t sideline the construction of Allegiant Stadium, the new $2 billion home of the NFL Las Vegas Raiders and one of the most anticipated stadium projects in the Western United States.

SMACNews

Code Inspections Amid COVID-19

For building inspectors, the novel coronavirus has made many of them rethink the way they approach building certifications, and even the way they interact with people on the jobsite.

SMACNews

SEA Airport North Satellite Modernization

The North Satellite (NSAT) Modernization Project combines leading-edge engineering with natural motifs to create a high-tech space with a biophilic design — one that appeals to people’s innate love of nature.

SMACNews May 20 2019

Prefabrication Speeds Installation in Dormitory Spaces

Over the past several years, James Morgan, president and CEO of Worcester Air Conditioning, Ashland, Massachusetts, estimates that his sheet metal workers have prefabricated and installed ductwork in more than 3,000 dormitory rooms in colleges and universities across the Bay State.

SMACNews Apr 29 2019

University Innovation Center Designed for Collaboration

The roof and façade design for a new academic building project created “the perfect blend of high-tech and natural esthetics” for the University of Maryland’s new Brendan Iribe Center for Computer Science and Engineering, according to Scott Callaway of Overly Custom Metal Systems.

SMACNews Apr 29 2019

A Green Roof Springs to Life

On top of a pharmaceutical company’s parking garage in Wilmington, Delaware, there grows a thriving patch of countryside, courtesy of SMACNA member Ernest D. Menold Inc.

SMACNews

Zahner’s South Korean Tower Sparkles

A dramatic curved stainless steel façade gave the A. Zahner Co. of Kansas City, Missouri, another opportunity to further expand its geographic reach to the Harim Tower in Gangnam, Seoul, South Korea.