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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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## Citation

• The Engineering ToolBox (2019). Cooling Power vs. Airflow and Duct Sizes. [online] Available at: https://www.engineeringtoolbox.com/tons-cooling-air-flow-duct-size-d_2172.html [Accessed Day Month Year].

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