ARLINGTON, Va. — The Air Conditioning Contractors of America Educational Institute (ACCA-EI) Standards Task Team (STT) has announced an American National Standards Institute (ANSI) public review period for its BSR/ACCA 2 Manual J-201x, “Residential Load Calculation,” as a revised industry standard. The public review period has a comment deadline of Nov. 30, 2015.

The revised standard details the requirements for producing a residential load calculation per the CLF/CLTD method contained in Manual J, 8th edition. The provisions of the standard apply to any dwelling unit that has its own HVAC system and equipment, and its own exhaust air system(s). This includes:

• Single-family detached structures, duplex structures, and triplex structures;

• Single-family attached structures (row house or town house);

• Dwelling units in multifamily attached structures (condo and apartment units); and

• Energy efficient homes.

The revised standard has been divided into two portions: normative and informative. Parts N (Normative Requirements) and 4 (Tables) contain the minimum requirements for conducting a residential load calculation. Informative Parts 1, 2, 3, and 5 contain additional explanation, details, and examples that clarify the normative requirements.

To obtain a copy of the revised standard draft, send your request to Luis Escobar, ACCA manager of codes and standards, at

Comments and questions may be submitted to ACCA on the Public Response Form, available at

Publication date: 10/29/2015

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