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 ...

covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Contains updates to the expected leakage rates for ductwork constructed to ...