1.
Enter the length and width of the greenhouse.
(Use the longest distance for the length and the shortest for the width.)
Length:  
Width:
    
2
Select the type of cooling pad to be used:
3.
Select the greenhouse elevation from the menu:
(this information is used to determine the elevation factor or "Felev")
Elevation above Sea Level in ft:
4.
Select the light intensity:
(this information is used to determine the intensity factor or "Flight")
Light Intensity in fc:
5.
Select the temperature rise from the pad to fans:
(this information is used to determine the temperature factor or "Ftemp")
Temperature difference in °F:
6.
Select the pad-to-fan distance.
(this information is used to determine the velocity factor or "Fvel
")
Distance in ft:

All calculations based on:
Nelson, P.V. Greenhouse Operation & Management. 6th ed. Upper Saddle River: Prentice Hall, 2003.