Duct Leakage Assessment

Choose a value that best describes each situation. We’ll add up your answers and share your duct leakage assessment.

Main air duct and riser construction
Branch air duct construction
Variable air volume or terminal boxes
Dual duct system
Slot diffusers
Balance dampers
Access doors
Main air duct connection type
Branch air duct connection type
Inflated externally insulated air ducts (mattress effect)
Is duct damaged or disconnected
How is duct sealed
If sealed with mastic or metal tape, how well is it sealed
Visible signs of duct leakage