Ventilation for Sensible Heat (cfm)

Ventilation for Sensible Heat (cfm)

HS-05
ASPCSPAdvanced

Formula
cfm = Total Sensible Heat ÷ (1.08 × ΔT)
When to Use

Determine the ventilation flow rate needed to remove sensible heat from a space.

Symbol Legend
SymbolMeaningUnitNote
cfmRequired air flow ratecubic feet per minute
Total Sensible HeatHeat load in the spaceBTU/hr
1.08Constant based on density and specific heat of airFixed constant
ΔTTemperature difference between supply and exhaust air°F

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