Common HVAC Formulas : 5.2 Latent Heat Removal

 Latent Heat Removal:

  • Involves removing moisture from the air (dehumidification), an essential function in climate control.

  • Understanding latent heat removal helps in selecting appropriate dehumidifiers or air conditioning units.

Estimating Water Extraction:

  • Latent heat removal is estimated by calculating the amount of water removed, measured in gallons per hour.

  • Formula: Latent Heat Removal = Gallons of Water Removed × 8,830.

    • 8,830: Derived from multiplying 8.33 pounds per gallon of water by 1060 BTUs (latent heat of condensation per pound of water).

Example:

  • A dehumidifier removes 3 gallons of water per hour.

  • Multiply 3 gallons by 8,830 to calculate the latent heat removed:

    • 3 × 8,830 = 26,490 BTUs/hour of latent heat removed.

Real-World Application:

  • Helps HVAC technicians design air conditioning systems and select equipment that efficiently manages humidity levels in residential and commercial spaces.



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