Superheat & Subcooling Calculators
Calculate superheat and subcooling from your gauge readings and pipe temperature measurements. Built-in PT data for all common refrigerants including zeotropic blends.
Superheat Calculator
City & Guilds 2079 Skill Group 2Calculate superheat by entering suction pressure and suction line temperature. Superheat = Suction Line Temperature - Evaporator Saturation Temperature. For zeotropic blends (e.g. R-407C), the dew point is used automatically.
Subcooling Calculator
City & Guilds 2079 Skill Group 2Calculate subcooling by entering discharge/liquid line pressure and liquid line temperature. Subcooling = Condenser Saturation Temperature - Liquid Line Temperature. For zeotropic blends, the bubble point is used automatically.
Pressure-Temperature Chart
Refrigerant Saturation DataInteractive PT lookup for common refrigerants. Enter a pressure to find saturation temperature, or a temperature to find saturation pressure. For zeotropic blends, both bubble and dew point values are shown.