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ACCA Manual J – Contractor

The Air Conditioner Contractors of America (ACCA) Manual J (8th Edition) is the only approved method of calculating room-by-room and whole-house cooling loads. With today’s high performance homes, this method is the best way to limit your liability and accurately size your HVAC systems. The days of using a “rule of thumb” approach to guess the size of an HVAC system is long gone.

Manual J is also a mandatory requirement of the 2009 – 2015 International Residential Code (IRC) and International Energy Conservation Code (IECC) to conduct and provide a Manual J, S and D report and to acquire a building permit.


Manual J - Residential Load Calculation

Our trained and certified professionals will help you complete a successful Manual J calculation and ensure that the system will work as intended. Using ACCA-approved Wright Soft® software, we will work closely with you to gather the necessary construction plans and specifications from your client.

Enerlogic is registered with and regulated by the Texas Department of Licensing and Regulation (TDLR) to perform third-party heating, air conditioning and ventilation (HVAC) design (TACLA – 72189E). While we do not perform installations and repairs, you can count on our expertise in HVAC system design to help you lower your overhead and do what you do best – installing HVAC systems and growing your business.

If you would like to see an example of our ACCA Manual J Building Load Report, use the Contact Form to request a copy.

For more information, download the ACCA Manual J Brochure, which includes a checklist.

Our staff at Enerlogic would be happy to answer all of your ACCA Manual J load calculation questions and provide both design and installation verification services in a timely manner.

At Enerlogic we would be happy to answer all of your HVAC System design questions and provide you with design services in a timely manner.

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