Thermal Imaging (Case 11)
Case Eleven: Leaking Duct work, envelope, and moisture intrusion.
Building Type: Specialized office and manufacturing.
Complaint: Spaces served by VAV boxes struggle to reach heating setpoint.
Type: Tenant comfort, energy.
Cause: Leaking duct work prior to VAV boxes is causing the spaces to over cool. Lack of design air delivery causes poor VAV box performance. Poorly performing windows and moisture intrusion compounding the problem.
Image pairs below show leaking duct work, poor windows, and evidence of moisture..
Duct Leakage
Moisture Intrusion
Poor Window Performance