Paint Booth Heater Installation for Air Make Up Units
A heated air make up unit keeps a paint booth from pulling the building into negative pressure while providing tempered replacement air for finishing work. Double D Mechanical installs and connects air make up equipment around booth exhaust demand, plant utilities, roof or wall penetrations, control wiring and maintenance access.
Discuss your installationMatching Heat Input to Booth Demand
The air make up unit has to track the booth exhaust volume closely enough to support spray operations without pushing air through doors, openings or adjacent work areas. Heater installation planning starts with the booth style, fan capacity, filter condition, cure or flash needs, and the temperature rise expected during production.
Locating the Unit and Duct Runs
Placement affects structural support, weather exposure, service clearance and the length of ductwork between the unit and booth plenum. Roof-mounted units may need curb coordination and crane access, while indoor or grade-level equipment needs clear intake air and a practical route to the booth.
Fuel, Power and Control Coordination
Heated make up air can involve gas piping, combustion air, electrical feeds, disconnects, starters, temperature controls and interlocks with exhaust fans. The installation sequence should be coordinated with electricians, gas fitters, controls technicians and roofing or sheet metal trades so the booth is not left waiting on a hidden connection.
Start-Up Readiness Items
Before a site visit, gather the booth drawings, existing fan data, utility locations, roof or wall construction details, preferred shutdown windows and any known building pressure issues. Photos of the current unit, ductwork, control panel and service platform help identify access limits before work is scheduled.
- Booth exhaust fan size and operating mode
- Available gas and electrical service near the planned unit
- Roof curb, wall opening or structural details
- Maintenance access requirements around filters, burners and belts
Frequently asked questions
When does a paint booth need a heated air make up unit?
A booth often needs heated replacement air when exhaust volume removes conditioned building air faster than the plant can comfortably replace it. Heating becomes especially important when finish quality, worker comfort or cure temperature depends on stable incoming air.
Can an air make up unit be installed on an existing booth?
Yes, if the booth, ductwork, utilities and controls can be evaluated together. Existing exhaust capacity, plenum arrangement, roof structure and control interlocks all affect the installation approach.
What utilities should be reviewed before installation?
Gas capacity, electrical service, control wiring, disconnect locations and any compressed air or low-voltage control needs should be checked before layout is finalized.
Why does building pressure matter?
If exhaust and replacement air are not balanced, doors may be hard to open, dust can move toward the booth, and adjacent process areas may feel drafts or temperature swings.
What should maintenance teams plan for?
Leave usable access to filters, burners, motors, belts, dampers, sensors and control panels so routine service does not require dismantling surrounding duct or production equipment.