formulas

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A Case For Higher Airflow

Why should design for higher than nominal airflow.

Calculate SEER Degradation by Age

This is a quick tech-tip to learn how to calculate the degradation of SEER based on age. The degradation of SEER is due to fouling of the evaporator coil with dirt and refrigerant charge losses. It should be noted that this is not true for all...

Dehumidifier Sizing by Latent Load

This is a quick article to show how to calculate the size of dehumidifier needed based on the latent load of a building. This is useful if you’ve done a load calculation and know the latent load of the structure. Formulas The formula above is used to...

Pounds of Water Removed

This is an article that shows how to calculate the pounds of water removed from an air stream, given the entering conditions (return air stream) and the outlet conditions (supply air stream). This is useful in the field when you want to calculate the...