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Home > HPAC Engineering > Magazine Issues > September 2012

September 2012

September 2012

Features

  • Sep. 1, 2012
    article

    Four Key Aspects of Hydronic Design

    There are four key facets of hydronic-system design and function that design engineers and building owners should be aware of to create a total system approach...More
  • Sep. 1, 2012
    article

    Boiler Life-Cycle Considerations

    While the boilers of today are nothing like those from earlier times, we still seek to balance safety and performance. Today, our business climate demands we add economics to the equation, viewing the boiler as an investment in efficiency and sustainability. When should I replace my boiler? How long will my boiler last? How can I minimize life-cycle costs? All are important questions for a facility manager or owner....More
  • Sep. 1, 2012
    article

    Minimizing Fan Energy

    The intent of this article is to identify and demonstrate methods of minimizing HVAC-system fan energy consumption. Much of the article focuses on minimizing fan horsepower through reduction in system pressure drop, but fan selection and control strategies are touched upon as well....More

Columns

  • Sep. 1, 2012
    article

    Project Delivery: Who Is in Charge?

    Sometimes cliches are just so right on. For example, the statement, "There is no 'I' in team, but there is in win," has been bantered around for so long that it's difficult to know who actually originated it. But when it comes to the construction industry, this statement offers a success potential that has not always been achieved, much to the chagrin of building owners, engineers, architects, and contractors alike...More
  • Sep. 1, 2012
    article

    Leveling the Playing Field of Green Products

    In a 2010 survey of chief executive officers worldwide, 93 percent of respondents cited sustainability as critical to the future success of their companies, with 91 percent saying their companies would employ new technologies, such as renewable energy and energy efficiency, to address sustainability issues in the ensuing five years. That is the good news. The bad news is that many promising new products and technologies are having a difficult time making it onto the radar of specifiers and purchasers....More

Departments

  • Sep. 1, 2012
    article

    Iconic New York City Property Kept Cool With Help of Energy-Storage Technology

    The buildings of Rockefeller Center are served by a central chilled-water plant containing 14,500 tons of steam and electric chillers. Water is distributed through a primary water loop around the perimeter of the site. While the supply and pumping capacity always had met requirements, co-owner and manager Tishman Speyer sought a way to deliver the water more efficiently and lower overall energy costs....More
  • Sep. 1, 2012
    article

    Dual-Wheel Energy Recovery, Chilled Beams Drive Savings for Transit Operations Facility

    The state of North Carolina mandates that all government buildings over 20,000 sq ft exceed ANSI/ASHRAE/IESNA Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, requirements by at least 30 percent. The Transit Operations Facility in Raleigh, N.C., completed in spring 2011, exceeds them by 40 percent....More
  • Sep. 1, 2012
    article

    Variable-Refrigerant-Flow Technology Helps College Achieve LEED Silver Certification

    Built in 1885, Archdale Hall is the oldest building on the campus of the third-oldest coeducational college in the United States, Guilford College in Greensboro, N.C. For 80 years, it served as a men’s dormitory before being converted to faculty offices. Last renovated during the 1950s, it inspired frequent complaints about cooling and heating discomfort, noise, and indoor-air quality (IAQ) and was highly energy-inefficient. The college’s associate vice president of operations and facilities, Jon Varnell, was looking for sustainable, eco-friendly solutions and aiming to have the building achieve Leadership in Energy and Environmental Design (LEED) certification....More

News & Notes

  • Aug. 28, 2012
    article

    HPAC Engineering Appoints Larry Clark to Editorial Advisory Board

    Lawrence (Larry) Clark, LEED AP O+M, principal of Sustainable Performance Solutions (SPS) LLC, a Fort Lauderdale, Fla.-based firm providing energy audits, general energy-efficiency and sustainability consulting services, and metering and submetering solutions for commercial buildings, is the newest member of HPAC Engineering’s Editorial Advisory Board....More
  • Aug. 7, 2012
    article

    ASHRAE Names Distinguished Lecturers

    ASHRAE recently named 11 individuals to its Distinguished Lecturer program, which provides speakers on topics impacting the built environment....More
  • Aug. 21, 2012
    article

    ASHRAE Proposes First Standard on Commissioning Process

    ASHRAE’s first standard focused on the commissioning process is open for public comment....More
  • Jul. 17, 2012
    article

    New Report Identifies Priorities for Improving Built Environment

    If buildings and infrastructure are to be improved, the building industry and the nation need to concentrate their efforts in four key areas, a new report from the National Institute of Building Sciences Consultative Council says....More
  • Aug. 22, 2012
    article

    Carrier Launches Rooftop-Selection Mobile App

    Carrier, provider of high-technology heating, air-conditioning, and refrigeration solutions and part of UTC Climate, Controls & Security, a unit of United Technologies Corp., recently introduced Rooftops, a free mobile application developed to aid the selection of light-commercial rooftop equipment....More
  • Aug. 14, 2012
    article

    Sustainable Buildings Industry Council Seeking Award Entries

    The National Institute of Building Sciences Sustainable Buildings Industry Council (SBIC) is seeking entries for its 2012 Beyond Green High-Performance Building awards and the 2012 Greg Franta Memorial Award....More
  • Aug. 14, 2012
    article

    HVAC Information Exchange Open for Public Comment

    A new information exchange intended to ensure products, product assemblies, properties, and connections between pipes, ducts, and other HVAC equipment are represented properly in building information models is open for public review and comment....More
  • Aug. 13, 2012
    article

    LEED-Certified Building Stock Tops 2 Billion Sq Ft Worldwide

    The U.S. Green Building Council (USGBC) recently announced the total footprint of commercial buildings around the world certified under its Leadership in Energy and Environmental Design (LEED) green-building program now exceeds 2 billion sq ft, with an additional 7 billion sq ft in the pipeline in the form of registered projects....More
  • Jul. 5, 2012
    article

    ASHRAE Announces Fall Online Courses

    Eleven online courses on applying ASHRAE standards and employing new technologies for advanced building performance will be offered by the ASHRAE Learning Institute this fall....More
  • Sep. 1, 2012
    article

    Calendar

    Sept. 11-12 Boiler Systems PLUS 1; Santa Fe Springs, Calif.; Cleaver-Brooks; http://bit.ly/Plus1_SantaFeSprings. Sept. 11-12 (also Nov. 6-7) Empowering Steam Best Practices; Three Rivers, Mich.; Armstrong International and Cleaver-Brooks; ......More

Products & Literature

  • Sep. 1, 2012
    article

    New Products

    Watertight duct smoke detectors NEMA 4-rated InnovairFlex watertight duct smoke detectors are built to operate in challenging conditions without costly and bulky enclosures. The D4120W conventional and DNRW intelligent detectors include a UV-resistant ......More
  • Sep. 1, 2012
    article

    Product Spotlight

    Replacement air handlers R-Series replacement air handlers are designed to precisely match existing roof curbs and supply/exhaust connections to minimize the cost of roof and building renovation. R-Series units feature direct-drive variable-speed fans, ......More
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