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Cooling Power vs. Airflow and Duct Sizes

Typical relations between cooling power (tons cooling), air flow and duct size

Typical values for tons cooling vs. air flow and duct sizes are indicated below:

Cooling Power vs. Airflow and Duct Sizes
Cooling Power
(ton)		Typical Air Flow
(cfm)
Typical Duct Size (in)
CircularRectangular
100 6 5 x 6 4 x 8
1/2 200 8 6 x 8 4 x 12
3/4 300 9 10 x 7 5 x 14
1 400 10 8 x 10 6 x 14
1 1/2 600 12 10 x 12 8 x 14
2 800 13 10 x 14 8 x 18
2 1/2 1000 14 10 x 16 12 x 14
3 1200 16 10 x 20 12 x 16
3 1/2 1400 16 12 x 18 10 x 20
4 1600 18 14 x 16 12 x 20

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