The Air-Conditioning, Heating, and Refrigeration Institute has reached an agreement with the Air Conditioning Contractors of America to have the group publish the I=B=R Residential Hydronic Heating Guide, the H-22 Heat Loss Calculation Guide and related worksheets and quarter-scale house plans. Officials say the hydronic guide is one of the most definitive guides on residential installations of such systems. The ACCA’s online store contains hundreds of similar manuals on HVAC construction topics.
ACCA Association Inc.
2800 S. Shirlington Road, Suite 300
Arlington, VA 22206
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