SMACNA Releases 5th Edition HVAC Duct Design Manual
CCR Magazine
APRIL 13, 2024
The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), the leader in promoting quality and excellence in the sheet metal and air conditioning industry, published the fifth edition of its HVAC Systems Duct Design Manual , which is available digitally and in print. SMACNA has national offices in Chantilly, Va.,
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