Air Handling Unit and Fan Coil Unit
Air Distribution System Efficiency
Broken fan belt
Blue / Grey formicary corrosion on Al-Cu cooling coil
Noisy Operation and Excessive Vibration
Fan belt emitting burnt smell / noise
Mold Growth in duct
Damper inside AHU collecting condensation, leading to biological growth
Filter Media Choked at the Air Terminal
Choked filter
Bent aluminium fin