Make-up Air - Balancing a building's air
When air is exhausted, or removed, from a building it is commonly replaced by use of air make-up fan units so that replacing air within the building is balanced. American Fan Company double width backward inclined Centrifugal Fans (Models DQBCA, DQBCS) and also Axial Fans (Models JM, JMG) are used in make-up air units.
Fan Models for this Application

- BC - Backwardly Inclined Blower
- BCA- Backwardly Inclined Fans
- BCS - Backwardly Inclined Fans
- DQBCA - Backwardly Inclined Fans
- DQBCS - Backwardly Inclined Fans
- JM - Tubeaxial Fans
- JMG - Vaneaxial Fans
- QBCA - Backwardly Inclined Fans
- QBCS - Backwardly Inclined Fans
Typical Industries
Applications
- Aeration
- Air Slides
- Air Pollution/Forced Draft
- Air Condition/HVAC
- Air Curtains/Pressurizing
- Combustion Air/Incineration
- Commercial/Residential Ventilation
- Cooling Towers
- Dryers
- Dust Control
- Fume Exhausting/Control
- General Ventilation
- Glass Tempering
- Grain Drying
- Ground Water Remediation
- Make-up Air
- Material Conveying
- Naval/Marine
- Pickling
- Process Control/Tempering
- Process Heating/Cooling
- Vacuum Systems
- Wind Tunnels



