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  Calculating Thermodynamic Properties of Air

Space Conditioning System Performance Audit

Dry Bulb Temperature (F):


Wet Bulb Temperature (F):

Barometric Pressure (inches of Mercury):

(note: wet bulb temperature must be less than dry bulb temperature)

Dew Point Temperature (F):
Vapor Pressure (inches of Mercury):
Humidity Ratio (lbs water / lbs air):
Specific Volume of Moist Air (ft^3 / lbs):
Enthalpy (Btu/lbs):
Relative Humidity (%):