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AirFlo-900 Panel Mount Exhaust Fan 36 inch 23000 CFM Direct Drive 3 Phase N936-I-3-T

National Fan Co.
Build Time:
5 Weeks ?
Ships By:

Build Time

The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).

The build time does not include the time it will take to ship the order to you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.

*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.

Highly Recommended Items:

LIST: $2,025.13
Only $1,960.80
Quantity Unit Price You Save
3-5 4%
6+ 7%

The 900 series are excellent for use in higher static pressure applications in factories, warehouses and mills for fume, smoke or dust removal.

Cast aluminum spark resistant propellers standard
More CFM per dollar spent than belt driven fan
Low maintenance
Lighter weight than belt driven units - facilitates installation
Heavy duty spun venture panel with rugged all welded motor support structure

Model No.:
N936 -I -3 -T
230 / 460
Exhaust Fans
230V: 98.2 / 13.3
460V: 49.1 / 6.65
Blade Material:
Cast Aluminum
Blade Size (Inches):
No. of Blades:
CFM Low:
CFM High:
Decibels (dBA):
Dimension Inches:
Width: 28" Depth: 46" Height: 48"
Drive Type:
Limited Warranty:
1 Year Limited
Motor Type:
RPM High:
Weight lbs.:
Notice: Manufacturer's products features and specifications are subject to change without notice.
California Residents: warning WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit


Ask a Question
  • What is the decibel??

    The decibel rating on this fan is 78 @ 10ft.

  • How many speeds

    Thank you for your question. These units are single speed, but can be used with a VFD to control speed.  This one here would work -

  • Is there a minimum Hz that the fan should operate at on a VFD?

    Thank you for your question.  The motor used on this unit is able to be adjusted down to 6hz.

  • I installed this fan with a FR-d700 VFD and just wondering what the max Hertz setting I should use for the fan. Is 60 Hz correct as per specifications tab?

    Thank you for your question.  Yes, the motor is 60hz and should not exceed that setting.

  • Which weather hood would fit this fan+shutter?

    Thank you for your question.  This is the unit that will fit the best:

  • Would the automatic shutter be ok for an exhaust fan that is on all the time? Or would a 42" bird hood be a better choice? Need something to protect from the weather when on 24x7

    Thank you for your question.  To protect from weather, a combination of both the shutter and hood are recommended.  The shutter closes when not in operation, and keep outside air from blowing in.  The hood helps to keep driving rain and snow out when in operation, and protects the opening that you cut in the wall to mount the fan.  If you have to choose just one though, and the fan will truly be on 24/7, the hood is probably the better option.

  • Will this run on 208V 3 Phase? If so, will it get 23000 CFM or less?

    Thank you for your question.  Yes, this unit can run on voltages down to 207V 3 phase.  It may have slightly less RPM, which would translate into slighlty lower CFM.  However, the difference would be negligible.