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For immediate release The Air Conditioning Contractors of America (ACCA), the nationwide association of heating, ventilation, air conditioning, and refrigeration contractors, has released a completely revised version of "Manual N," the industry standard for calculating heat gain and heat loss for light commercial buildings.
Authored by Hank Rutkowski with the oversight of a dedicated committee comprised of representatives from across the HVACR industry, the fifth edition of "Manual N" provides instruction to help contractors and designers satisfy new (and often conflicting) energy, ventilation, and comfort requirements for light commercial buildings. With enhanced procedures, capabilities, sensitivities, and applications, the new "Manual N" is divided into four sections, providing both a basic and comprehensive procedure for performing commercial load calculation: The fifth edition of "Manual N" is now available for purchase online here or by calling 888-290-2220. ACCA members save 25% off the list price. A free spreadsheet program that can be used in conjunction with the abridged Manual N procedure has also been made available at www.acca.org/speedsheet/. ACCA has scheduled two upcoming training classes in light commercial system design featuring the new "Manual N," one in Florida and one in the Washington, DC area. For more information on training classes, visit www.acca.org/designtraining/. "Manual N" is a registered trademark of the Air Conditioning Contractors of America. For more than forty years, the Air Conditioning Contractors of America has served the educational, policy and technical interests of the small businesses that design, install, and maintain indoor environmental systems. ACCA is a non-profit organization with members in all 50 states and over 20 countries. Learn more at www.acca.org. |
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The new fifth edition of "Manual N" represents the first complete rewrite of the light commercial load calculation procedure in over two decades, addressing the many advances and changes in the construction industry that have taken shape, such as new materials, methods of assembly, and operational requirements.