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Trust Chief's 45-Plus Years of Aeration Experience

Chief provides grain aeration systems to fit your specific needs. Caldwell fans are designed to provide high performance, dependable service and quality acceptance throughout the world. Safe, reliable and attractive!

Caldwell Fans

Safe, reliable and attractive. With over 45 years of manufacturing experience, Caldwell fans and heaters assure system performance, dependable service and acceptance throughout the world.

  • Galvanized housings

  • High quality brand name motors

  • Come in 230, 460, or 575 volt 60 hz, and 380 volt 50 hz apllications

  • CSA approved, PAMI tested

  • Meet OSHA standards

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Axial Fans

Caldwell axial fans range in diameters from 12" to 28" to fit most applications.

  • 3500 RPM @ 60 hz operation

  • Single and three-phase TEAO motors with horsepower from 0.75 to 12.5

  • Heavy gauge galvanized housing to last

Centrifugal Fans

Designed for farm or commercial use, centrifugal fans operate quietly and allow for easy field upgrades with heaters.

  • Air delivery at up to 24" Static Pressure for deep grain applications

  • 1750 RPM/3500 RPM @ 60 hz and 1450 RPM/2900 RPM @ 50hz

  • Wheels from 15" to 40" diameter

  • 3 to 100 Horsepower

  • Single and three-phase TEFC motors, PTO units available

  • 230v models are pre-wired for heaters

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In-Line Centrifugal Fans

Compact and quiet, Caldwell in-line centrifugal fans are ideal for medium to high static pressures and allow for easy field upgrades with low temperature heaters.

  • Heavy gauge galvanized housings from 14" to 28"

  • Wheels from 10" to 20"

  • 1 to 15 Horsepower

  • Single and three-phase ODP motors

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