HVAC Refrigerant Reference
Look up common HVAC refrigerants by chemical class GWP safety class and application.
Common HVAC and refrigeration refrigerants, their global warming potential (GWP), and typical applications. Refrigerant handling and recovery is regulated — always use a certified technician.
About this tool
HVAC Refrigerant Reference is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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