The Air Conditioning Contractors of America said the third edition of its Manual S has been sent out by ANSI for public review.
The revised standard covers selecting and sizing residential HVAC equipment. It comes in two parts: one details the selection/sizing criteria and the other covers discussion, guidance and example problems.
The American National Standards Institute’s 45-day public review period concludes April 7. Copies of the changes and the comment form can be downloaded at www.acca.org/ansi/.
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