How do you change CFM unit to CMH unit of air-con?

To convert CFM (Cubic Feet per Minute) to CMH (Cubic Meters per Hour), you can use the conversion factor where 1 CFM is approximately equal to 1.699 CMH. To perform the conversion, multiply the CFM value by 1.699. For example, if you have 100 CFM, the equivalent in CMH would be 100 x 1.699, which equals approximately 169.9 CMH.