Interactive Psychrometric Chart

ASHRAE Fundamentals 2021 calculations. Two-point comparison with air mixing analysis.

Saturation

RH Lines

Wet Bulb

Enthalpy

Comfort Zone

Settings

Altitude (ft)

Pressure (psia)

POINT 1

POINT 2

Air Mixing

P1 Airflow (CFM)

P2 Airflow (CFM)

Plotted Points

Click chart or calculate to add points.