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How many cfm of air equals 1 ton of air?
There are 400 cfm in 1 ton
What is the formula for calculating cfm?
Take the number of cubic feet and divide that by the number of minutes. cfm=cf/m
What is relation between cfm and cmh?
Well, darling, CFM stands for cubic feet per minute, while CMH stands for cubic meters per hour. So, the relationship between the two is that 1 CFM is equal to approximately 1.699 CMH. It's like comparing apples to oranges, but hey, they both measure the flow of air, just in different units.
What is the cfm value of a 20 x20 return air grill?
your going to get 800 cfm through a 20x20. Its the gross square inches divided by 2
How do you calculate the tonnage of AHU?
You need 350 to 400 cfm per ton (12,000 btu) of cooling. So, divide your cfm by 400. For example, a 1200 cfm blower on an air handler could handler up to 3 tons. All calculations depend on your duct being the proper size for the equipment.
