Shadyacres Greenhouse******Sunshine Floral

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ACF Greenhouse Exhaust Fans & CFM Calculator
Exhaust Fan Calculator

ft.
Length of Greenhouse
ft.
Width of Greenhouse
ft.
Height of Greenhouse
W x L x (H x 1.2)
Fan CFM Needed - This is the optimal exhaust fan CFM (Cubic Feet per Minute) rating for your greenhouse. A fan this size will exchange the air in your greenhouse in less than a minute which is recommended for venting small greenhouses.
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Shutter Size Calculator


 
Exhaust Fan CFM
Choosing Shutters
This calculator provides you with the minimum recommended intake shutter size for the fan CFM amount specified. Two shutters are recommended for greenhouses over 10 ft. wide to provide better distribution of fresh air.

NOTE: Using smaller intakes than recommended will reduce the CFM of the fan and may cause the motor to overheat and/or wear out prematurely.
  Minimum Intake Size
in.
Size if using One Shutter
in.
Size if using Two Shutters
in.
Size if using Four Shutters
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For Heater Calculator Click Here!

For Greenhouse Area Calculator Click Here!
 


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