Fan Requirements Calculator

To estimate the cubic feet of building. Enter all dimensions in feet.

To estimate the cubic feet of building. Enter all dimensions in feet.

To estimate the cubic feet of building. Enter all dimensions in feet.

To estimate the cubic feet of building. Enter all dimensions in feet.

To estimate the cubic feet of building. Enter all dimensions in feet.

Automatically calculate volume from building dimensionsInvalid Input

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A recommended 1 full air exchange per minute will create an inside temperature 8-10 degrees Fahrenheit warmer than the outside temperature. Click here for more information.

Static pressure is created by limiting air intake. If the correct amount of free air is available the static pressure is 0, resulting in more efficient airflow. Click here for more information.


Calculate!

Calculation Results For Exhaust

(CFM for 12"/16"/20"/24" DC is stated at 24 volts. CFM for 28"/50" DC is stated at 30 volts. Results may vary.)

Ventilation Requirement (Cubic Feet):

Static Pressure:

Time for Total Air Exchange (minutes):

Number of Fans by size:CFM Per FanTotal CFMTotal Watts Needed
12" DC Snap-Fan
12" AC Snap-Fan
-
-
-
-
-
-
-
-
16" DC Snap-Fan
16" AC Snap-Fan
-
-
-
-
-
-
-
-
20" DC Snap-Fan
20" AC Snap-Fan
-
-
-
-
-
-
-
-
20" AC HLE Snap-Fan----
24" DC Snap-Fan
24" AC Snap-Fan
-
-
-
-
-
-
-
-
28" DC Snap-Fan
28" AC Snap-Fan
-
-
-
-
-
-
-
-
50" DC Snap-Fan-- -