Air Make Up Units for Powder Coating Job Shops
Powder coating job shops rely on steady replacement air when booths, washers, dry-off ovens and cure ovens are exhausting at different points in the production day. Double D Mechanical installs, relocates and services air make up units and the duct, controls, fuel and electrical connections that help coating lines run without fighting building pressure.
Discuss your installationBalancing Air Across Changing Work
Job shops may move from small brackets to large weldments in the same week, so exhaust demand can change with part size, booth selection and oven use. Air make up equipment should be reviewed with the full finishing area in mind, including powder booths, pretreatment, cure ovens, loading zones and open shop doors.
Duct Routing Around Booths and Ovens
Replacement air needs a route that does not disturb powder application or crowd oven service areas. Roof openings, structural steel, crane paths, mezzanines and existing exhaust stacks can all affect where an air make up unit can sit and how supply duct reaches the finishing area.
- Confirm clearances above booths, washers and ovens before duct layout is fixed.
- Identify roof and wall penetrations that may conflict with existing exhaust.
- Keep filter, burner, fan and control access reachable after installation.
Utility Connections for Finishing Loads
Air make up units often require electrical power, controls, fuel piping and temperature control coordination with the rest of the coating system. Planning should include shutdown sequencing, control interlocks, service disconnect locations and where trades can work without blocking production aisles.
Details to Prepare Before Walkdown
Useful site information includes current exhaust equipment, booth and oven drawings, roof layout, fuel source location, electrical panel capacity, ceiling heights, part flow and any seasonal comfort concerns. Photos of congested areas help clarify rigging, access and duct routing before field work begins.
Frequently asked questions
Why does a powder coating shop need make-up air?
Exhaust from booths, washers and ovens removes large volumes of air. Make-up air helps replace that air so the finishing area is easier to balance.
Can an air make up unit serve more than one coating area?
It can be planned that way when airflow demand, duct routing and control zones are reviewed together.
What can cause pressure problems near a powder booth?
Common causes include unmatched exhaust and supply air, open dock doors, nearby oven exhaust, blocked filters and supply air pointed into the application area.
What should be ready before relocating an air make up unit?
Have equipment drawings, utility locations, roof access information, duct photos and the expected operating schedule for booths and ovens.