Coil Selection Calculator

Calculate sensible, latent, and total cooling capacity of HVAC coils with sensible heat ratio from air-side measurements.

Airflow

CFM

Entering Dry Bulb

°F

AHRI 210/240: standard 80°F EDB; AHRI 550/590 chilled water coils: 95°F EDB / 75°F EWB

Leaving Dry Bulb

°F

AHRI 210/240: standard LDB 55°F; commercial AHU 52–55°F; low-load/high-SHR applications 58–62°F

Entering Wet Bulb

°F

Leaving Wet Bulb

°F

Tab to move between fields

Sensible Capacity

54,000 BTU/hr

Total Capacity

107,040 BTU/hr

Latent Capacity53,040 BTU/hr

Sensible Heat Ratio (SHR)0.5

How to Use This Calculator

Enter Airflow, Entering Dry Bulb, and Leaving Dry Bulb.
Set Entering Wet Bulb and Leaving Wet Bulb.
Review Sensible Capacity (BTU/hr) and Total Capacity (BTU/hr).
Use Latent Capacity (BTU/hr) and Sensible Heat Ratio (SHR) to inform your decision.

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