Portable swamp cooler sizing

Evaporative cooler size calculator

Enter floor area and ventilation. Get effective area, then a 1,400 / 2,100 / 3,100 CFM class — or NO_MATCH. Needs dry air and airflow path.

Portable swamp cooler sizing

Result

Enter values to begin.

Effective area = floor × ventilation (1.0 / 1.15 / 1.3). Classes: 1,400 · 2,100 · 3,100 CFM.

Guides

Cover limits, humidity, and airflow path.

Tools

Same tool with room for examples.

Reference

When each class fits — and when none do.