R-417A

For R-417A, trade name(s) is ISCEON 59, NU-22; retrofit / new is R/N; ashrae safety class is A1; gwp is 2,350; listing status / notes is Acceptable, verified against its source on 2026-08-11.

Refrigerant: R-417A verified
Trade name(s): ISCEON 59, NU-22 verified
Retrofit / new: R/N verified
ASHRAE safety class: A1 verified
GWP: 2,350 verified
Listing status / notes: Acceptable verified

Sourceepa.gov

Verified2026-08-11

Review by2027-08-11

DatasetHVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

What the source says

R-417A | ISCEON 59, NU-22 | R/N | 0 | 2,350 | A1 | <https://www.govinfo.gov/content/pkg/FR-1999-12-06/pdf/99-31544.pdf> December 6, 1999 (pdf) (226 KB); <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |

— epa.gov, retrieved 2026-08-11

Source

epa.govhttps://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps

Last verified against source: 2026-08-11. Due for re-check by 2027-08-11. This page as Markdown · OKF bundle · full dataset as JSON.