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Is 400 CFM per Ton Always Right? w/ Ty
400 CFM per ton is useful—until it isn't.
In this episode, Bryan and Ty take on one of the trade's favorite rules of thumb. It can be a reasonable starting point for many systems under moderate, near-sea-level conditions, but it is not a universal target. Proper airflow depends on actual delivered capacity, sensible and latent load, air density, climate, manufacturer data, and what the system is supposed to accomplish—not just the tonnage stamped on the cabinet.
They explain why dry-climate and high-altitude applications may require more volume airflow, why humid applications often use less…
The skinny
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