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  • initialism Illuminating Engineering Society of North America


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  • I see those that are making determining what is approved are “Energy Star” “Home Energy Rating System” and others like the IESNA.

    Michael Williams’ Cap-and-Trade series, continued. - Moe_Lane’s blog - RedState 2009

  • - The CEO of USGBC, Rick Fedrizzi, made several announcements about the current and future status of the USGBC and its LEED program, including several new partnerships with IESNA, ASHRAE, ASID, and others.

    GREENDBUILD DENVER: opening day | Inhabitat 2006

  • Light sources are totally managed inside the main program; it's possible to import, show, modify and use the IESNA LM-63 photometric data files (ASCII text file commonly used by North American lighting fixture manufacturers) EULUMDAT (an European standard) and even PICT and DXF files (the program can convert a drawing in a photometry).

    MacTech News dsellers 2010

  • Additionally, the optical performance of the 20 watt LPACK is compliant with IESNA full-cutoff, fully shielded standards and has been awarded IDA Dark Skies Compliance.

    The Earth Times Online Newspaper 2010

  • The energy efficiency goal of Standard 189.1 is to provide significant energy reduction over that in ANSI/ASHRAE/IESNA Standard 90. 1-2007.

    CSE - Top Articles 2010

  • Doug Koller, a staff member in the projects department, said the lighting in the Clubhouse parking lot was not up to acceptable standards of the Illuminating Engineering Society of North America (IESNA) and the City of Laguna Woods, for public facilities that are used in the evenings.

    The Orange County Register - News Headlines : News 2010

  • System monitor to maintain lumen loss depreciation to less than 15% at 100,000 hours of operation (based on IESNA LM-79 and LM-80) in extreme and fluctuating environmental conditions without overheating or failing.

    ThomasNet News - Today's New Product News 2010

  • You can also save energy by reducing the IESNA Handbook-recommended illuminance levels by improving the task contrast and size, which improves the viewer's visual performance.

    CSE - Top Articles 2010

  • California-licensed contractor, IESNA member, Interior Design instructor.

    HomeToys News 2009

  • Another change is that version 4.3 now includes an expanded reference to the industry standard for lumen maintenance, IESNA LM-80.

    LEDs Magazine Products 2009


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