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Tech Services

Total Heat Removed

For those jobs when you really need to know if the HVAC system is really doing all it is capable of, here is the solution. By using a psychrometer to obtain the Wet Bulb Supply and Return temperatures of an operating air condition system, and applying the proper CFM of the system, the total heat that the system is removing can be calculated. i.e. if a 3 ton system is removing 34,897 BTUH it is probably doing fine, but if it a 4 ton doing the same, it is probably not. (Nominal 12,000 BTUH per ton)

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