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Substitutes in Non-Mechanical Heat Transfer Systems
| Ozone Protection Hotline (800) 296-1996
Substitutes are reviewed on the basis of ozone depletion potential, global warming potential, toxicity, flammability, and exposure potential. Lists of acceptable and unacceptable substitutes are updated several times each year. A chronological list of SNAP updates is available from the hotline. If your browser is unable to display tables, please call the hotline for a free paper copy. Unacceptable substitutesNote: SNAP-related information published in the Federal Register takes precedence over all information on this page.Acceptable Substitutes for CFCs (class I ODS) in Non-Mechanical Heat Transfer Systems
Key: R = Retrofit Uses, N = New
Uses
Acceptable Substitutes for HCFCs ( class II ODS) in Non-Mechanical Heat Transfer Systems
Key: R = Retrofit Uses, N = New
Uses
Substitutes for CFCs in Non-Mechanical Heat Transfer Systems Acceptable Subject to Narrowed Use Limits
Key: R = Retrofit Uses, N = New
Uses
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