Testing ducts for leaks outside the thermal envelope with a Duct Blaster - Building Science Series 

This community education lesson is part of our Building Science Series. If you are interested in learning more we hope you consider visiting our e-learning portal at buildwrightacademy.online and enrolling in our free Ventilation course.
The Building Science Series includes lessons about Air Leakage and Measuring with a Blower Door, Total Duct Leakage, Duct Leakage to the Outside, and a short lesson about Spot Ventilation.