June 15, 2015 AIR REPAIR: Duct-leakage testing kits are typically made up of a duct-testing fan, pressure gauge, speed controller tubing, and flexible duct. HVAC professionals across the country are ...
CHANTILLY, Va. — The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) announced that the American National Standards Institute (ANSI) has approved its HVAC Air Duct Leakage ...
The latest version of ASHRAE 189.1 will expand duct testing requirements to include low pressure ducts as well as high pressure ducts. The latest updates to ASHRAE 189.1 have been finalized and ...
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