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Our exhaust fans are ideal for cooling and providing fresh air inside a greenhouse, shop, or garage. They include a rustproof aluminum shutter frame with built-in interlocking louvers to reduce heat loss during cold months. These exhaust fans also come equipped with completely enclosed variable speed direct drive motors which can be adjusted from 100% to ~35% of CFM if one of our optional fan speed controls is added. This allows you to reduce fan speed during cold months minimizing cold air shock to plants. Fans only run at maximum speed without a speed control.Simply add intake shutters and any of our automated controls, and you will have all you need to equip your greenhouse or shop with a durable fully automated ventilation system.

Variable Speed Louvered Exhaust Fan Features:

  • Totally enclosed, direct drive, high efficiency motors with sealed ball bearings and thermal overload protection
  • Rustproof aluminum shutter frame with built-in interlocking louvers to reduce heat loss
  • Variable speed motors which can be adjusted from 100% to ~35% of CFM with our optional fan speed control
  • Prewired with a grounded 9' power cord (no wiring required)
  • Fans can be automated with any of our 110/120 volt greenhouse thermostats
  • Comes completely assembled
  • Made in the USA

Shutter Fan Diagram

Exhaust Fan Dimensions

Fan Size
A
B
C
D
E
F
G
H
Rough Opening
12"
15"
15"
12 1/8"
12 1/8"
6"
3"
1/8"
2"
12 1/4" sq.
16"
19"
19"
16 1/8"
16 1/8"
6"
3"
1/8"
2"
16 1/4" sq.
20"
23"
23"
20 1/8"
20 1/8"
6"
3"
1/8"
2"
20 1/4" sq.
24"
27"
27"
24 1/8"
24 1/8"
6"
3"
1/8"
2"
24 1/4" sq.

Exhaust Fan Specifications

Fan Size
CFM (Hi/Low)
HP
Volts
Amps
12"
970 to 340
1/10
110/120
1
16"
1440 to 504
1/10
110/120
1
20"
3140 to 1099
1/3
110/120
3.8
24"
4640 to 1624
1/2
110/120
4.8

Product Manuals, Tips, Specs, & Guides
Exhaust Fan Instruction Manual
Fan & Shutter Size Calculator

Item # 8010300, 8010310, 8010320, 8010330