Cool Calc Software Recognized by ACCA as Powered by Manual J

March 31, 2015

ACCA, the nation’s largest organization of indoor environment and energy services contracting businesses, has recognized Cool Calc Manual J® as “Powered by Manual J®.” This latest recognition joins six others on the list of product offerings that have earned this designation.

To become recognized, ACCA reviewed the software’s functionality, sensitivities, defaults, and capabilities to ensure that Cool Calc Manual J complies with the procedures and requirements of ANSI/ACCA 2 Manual J – 2011 (Residential Load Calculation). Cool Calc is now able to use the “Powered By Manual J” logo on their Manual J product. Manual J is a registered federal trademark of ACCA.

ACCA continues to remind contractors that only software listed as approved by ACCA at is considered compliant with Manual J. Load calculation software and procedures that are not listed on that website cannot be considered to be properly observing Manual J’s procedures, methodologies, and defaults.


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ACCA is a non-profit association serving more than 60,000 professionals and 4,000 businesses in the indoor environment and energy services community. Our member firms are the nation's most professional contracting businesses, serving residential and commercial customers in every state. With roots stretching back a century, ACCA was incorporated in its present form nearly 50 years ago. Today, ACCA sets the standards for quality comfort systems, provides leading-edge education for contractors and their employees, and fights for the interests of professional contractors throughout the nation. Learn more about ACCA here.