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Charley's Greenhouse
17979 State Route 536
Mt. Vernon, WA 98273
Fax 360-873-8264

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How to Select an Evaporative Cooler Size

Determine the volume of your greenhouse - length x width x height.

This number is the recommended "CFM rating" for your greenhouse cooler.
Select an evaporative cooler with this or a higher CFM rating.