Reference Source

R-290 (Propane)

For R-290 (Propane), retrofit / new is N; ashrae safety class is A3; gwp is 3; listing status / notes is Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions, verified against its source on 2026-08-11.

Refrigerant
R-290 (Propane) verified
Retrofit / new
N verified
ASHRAE safety class
A3 verified
GWP
3 verified
Listing status / notes
Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions. verified
Sourceepa.gov
Verified
Review by
DatasetHVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

What the source says

R-290 (Propane) | | N | 0 | 3 | A3 | <https://www.govinfo.gov/content/pkg/FR-2015-04-10/pdf/2015-07895.pdf> April 10, 2015 (pdf) (769 KB) | Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions. |

epa.gov, retrieved 2026-08-11

Source

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