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Evaporative Coolers | Exhaust Fans and Shutters | Circulation Fans | Auto Vent Openers

View our Selection of Exhaust Fan Systems

Greenhouse Fans Chart

This chart shows the typical # of degrees warmer the inside of the greenhouse will be than the outside air temperature if the ventilation system is running constantly.


- Chart assumes the exhaust fan and intake(s) are installed in opposite end walls (as shown below without any other openings near the fan).

- Chart does not take into account any other type of cooling accessories like shade and/or misting or other evaporative cooling equipment.

Greenhouse Fan CFM Calculator
ft.
Length of Greenhouse
Greenhouse Exhaust Fan
ft.
Width of Greenhouse
ft.
Peak Height of Greenhouse
W x L x H x 0.85
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 at least once per minute which is recommended for venting small greenhouses.
Evaporative Cooler CFM Calculator
Cooler CFM needed with no shade cover on the greenhouse.
Cooler CFM needed with a 50% or higher shade cover.

Note: You need to have Javascript enabled on your browser for the calculator to work.
View our Selection of Exhaust Fan Systems


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 ACF Greenhouses
380 Greenhouse Drive
Buffalo Junction, VA 24529
434-374-2706 Phone, 434-374-2055 Fax
888-888-9050 Toll Free


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