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Professional Tools for HVAC Technicians

• Bug fixes & changes

Refrigerant Pressure-Temperature Calculators

Select a refrigerant below to open its dedicated PT calculator and saturation chart.

R-410A

HFC Blend • High Pressure Air Conditioning

Open R-410A Calculator R-410A NRE Explained

R-454B

A2L HFO Blend • Low GWP R-410A Replacement

Open R-454B Calculator

R-134a

HFC • Automotive & Medium Temp Refrigeration

Open R-134a Calculator

R-404A

HFC Blend • Low & Medium Temp Refrigeration

Open R-404A Calculator

R-22

HCFC • Legacy Air Conditioning & Refrigeration

Open R-22 Calculator
More refrigerants coming soon: R-32, R-448A, R-449A, R-513A, R-507 and others.
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