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HPAC Fastrack

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February 8, 2012
Reducing HVAC Noise With Duct Liner
2011 Version of Green Standard Available From ASHRAE, USGBC, IES
Melink Wins 2012 AHR Expo Product of the Year Award
Xylem's System Syzer Tool Available as Free Mobile App
'Gen Y Guy' to Kick off Mechanical Systems Week 2012

FASTRACK Features

Reducing HVAC Noise With Duct Liner

By STEPHANIE AYERS, Evonik Foams Inc., Allen, Texas; JEFFREY L. FULLERTON, INCE Bd. Cert., LEED AP BD+C, Acentech Inc., Boston, Mass.; and STEVEN H. MILLER, CDT, Chusid Associates, Tarzana, Calif.

In HVAC systems, ducts distribute more than air; they also distribute noise produced by fans. Duct liners were developed in part to absorb noise before it emanates from ductwork. Designers apply different thicknesses and lengths of duct liner to reduce noise to various levels. Understanding the acoustical benefits of duct liners and the available choices in liner materials helps in specifying a system that is efficient and effective, both in terms of noise performance and HVAC performance.

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FASTRACK News

2011 Version of Green Standard Available From ASHRAE, USGBC, IES

ASHRAE recently announced the publication of ANSI/ASHRAE/USGBC/IES Standard 189.1-2011, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings.

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Melink Wins 2012 AHR Expo Product of the Year Award

Melink Corp.’s Intelli-Hood controls for commercial kitchen hoods, which reduce exhaust- and makeup-fan speeds during idle, non-cooking conditions, providing fan energy savings of up to 90 percent and conditioned-air savings of up to 50 percent, were named Product of the Year during the 2012 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), held Jan. 23-25 in Chicago.

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Rick Fedrizzi to Discuss the Role of People in Green Building at the 2012 Carrier Global Engineering Conference
Rick Fedrizzi, president and CEO of the U.S. Green Building Council (USGBC), has been named a keynote speaker for the 2012 Carrier Global Engineering Conference – March 18-20 at Caesars Palace in Las Vegas. His address will focus on sustainability and the essential role people play in implementing sustainable building design using advanced technologies. Fedrizzi will emphasize how that role affects the way we build and train for the future. Click here for more.

Xylem's System Syzer Tool Available as Free Mobile App

Water-technology provider Xylem Inc.’s popular Bell & Gossett System Syzer tool for calculating flow rate and pressure drop in piping systems is now available as a free mobile application for iPhone and iPad.

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'Gen Y Guy' to Kick off Mechanical Systems Week 2012

Jason Ryan Dorsey, perhaps better known as "The Gen Y Guy," a best-selling author and award-winning entrepreneur with a unique talent for teaching ready-to-use actions and creative strategies that quickly increase cross-generational performance, will share his insights on generational differences in the workplace during the opening keynote event for Mechanical Systems Week 2012, to be held Sept. 19-21 in Chicago.

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Sponsored links

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AP Coilflex® Duct Liner from Armacell is now available in 1-1/2" and coming soon in 2".
Fiber-free AP Coilflex elastomeric foam duct liner is ideal for air handling systems, VAV units, ducts and other air system components requiring condensation control and resistance to moisture, damage or heat gain. AP Coilflex duct liner reduces the noise generated by fans and air movement, making it especially effective for schools, hospitals, commercial and government buildings where good acoustics are important. Click here for more.
—Armacell
Free Revit files for Metraflex engineered piping products
Metraflex now offers Revit files for virtually all of its engineered piping products, including seismic joints, expansion joints, valves, compensators, strainers, pipe guides, air vents and more.
With features and important information embedded in the files, Metraflex Revit files help engineers ensure the right products will be specified and installed in the engineered piping system. For your free files go to Metraflex.com/revit.
 
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