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    Fastrack - March 10, 2010

    March 11, 2010
    March 10, 2010 FASTRACK Features Pressurization Control in Large Commercial BuildingsBy DAVE MOSER, PE, Portland Energy Conservation Inc., Portland, Ore. In many large commercial buildings, central-station air handlers are used to ...
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    March 10, 2010

    FASTRACK Features

    Pressurization Control in Large Commercial Buildings
    By DAVE MOSER, PE, Portland Energy Conservation Inc., Portland, Ore.

    In many large commercial buildings, central-station air handlers are used to maintain occupant comfort. Often, these units include return fans, which draw air from occupied spaces for recirculation or exhaust. Commonly, the return fans are controlled with variable-frequency drives (VFDs), which receive a speed signal based on building differential static pressure — the difference between interior-space static pressure and outside-air static pressure. [MORE]




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    FASTRACK News

    First Changes to New Green Standard Proposed

    Changes to the new standard for the design of high-performance green buildings have been proposed. ANSI/ASHRAE/USGBC/IES Standard 189.1, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings, is the first code-intended commercial green-building standard in the United States. The standard provides a long-needed green-building foundation for those who strive to design, build, and operate green buildings. It covers topics such as site sustainability, water-use efficiency, energy efficiency, indoor environmental quality, and a building’s impact on the atmosphere, materials, and resources. [MORE]

    21 Changes to Standard 90.1 Proposed

    Twenty-one addenda proposed for ANSI/ASHRAE/IESNA Standard 90.1-2007, Energy Standard for Buildings Except Low-Rise Residential Buildings, are open for public review. [MORE]

    GreenMech Launches Job Board

    The Green Mechanical Council (GreenMech) has launched an interactive job board, the GreenMech Career Center, which focuses on mechanical-industry companies and professionals. The career center offers a targeted resource for online employment connections. [MORE]

    ConnectivityWeek 2010: Call for Speakers Ends March 12

    The call for speakers for the fifth ConnectivityWeek—to be held May 24-27 at the Santa Clara Convention Center in Santa Clara, Calif.—will remain open until Friday, March 12. [MORE]

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    Who says there's no such thing as a free lunch? Subscribe to HPAC Engineering free of charge online at: Subscribe The magazine for the mechanical-systems-engineering community, HPAC Engineering is a forum for peer-to-peer communication among engineering professionals and facility owners/operators in the non-residential-building marketplace, including the critical manufacturing-, government-, education-, health-care-, and office-building sectors.Contact information: Megan White, HPAC Engineering Thank you for reading HPAC Engineering's FASTRACK e-newsletter. You've received this e-newsletter for one of three reasons: 1) You signed up for it on the HPAC Engineering Website. 2) You received the HPAC Fastrack e-newsletter in the past. 3) You identified yourself as a reader of HPAC Engineering magazine.2010 Penton Media, Inc. All rights reserved.Privacy Statement