AHU Restoration
These pictures are of before and after drain pan restoration and component
cleaning of sound extenuators.

Flex Ducts
Flex ducts are hand vacuumed, or roto brush cleaned.
Before and after pins are attached.

VAV Boxes
VAV boxes are accessed and hand HEPA vacuumed

Metal Ductwork
Metal ductwork is accessed and cleaned with air and vacuuming devices

Internally Lined Ductwork
Internally lined ductwork is hand HEPA Vacuumed and/or air whipped clean

Large Commercial Ductwork
Under a minimum of 4000 CFM negative pressure, larger commercial ductwork is physically crawled and HEPA Vacuumed by NADCA trained technicians.