PT Chart Lookup

Pick a refrigerant and temperature; get bubble + dew point pressures from NIST-traceable thermodynamic data.

Built by Top Industrial Talent for the HVAC/R technicians who rely on accurate field data every day.

Interpolated pressure–temperature chart for 25 refrigerants. Enter a temperature to get bubble-point and dew-point pressures in psig.

Refrigerant

Saturation Temperature

°F

Bubble-Point Pressure

11.0psig

Liquid saturation, use for liquid line / charging

Dew-Point Pressure

11.0psig

Vapor saturation, use for superheat reference