Goodman Refrigerant Compatibility Guide
Find the correct refrigerant, recharge specs, and troubleshooting help for Goodman and Amana residential systems.
- OEM‑Accurate Refrigerant Match
- Model Lookup by Prefix
- Error Code Reference
- Fast Nationwide Shipping
Compatible Refrigerants
R‑410A
Used across most Goodman and Amana residential split systems.
R‑454B
Goodman's newest platforms are shifting to this lower-GWP refrigerant, labeled generically rather than under a marketing name.
R‑22
Older Goodman/Janitrol-era units may still run R-22.
Model Lookup table
| Model Prefix | Series | Refrigerant | Typical Capacity |
|---|---|---|---|
| GSXC / GSZC | Comfort Series | R-410A | 1.5–5 Ton |
| GSXH | Newest A2L Platform | R-454B | 2–5 Ton |
| GPC | Packaged Unit | R‑410A | 2–5 Ton |
| CK* / CKL | Legacy Split System | R‑22 | 1.5–5 Ton |
Error Code table
| Code | Meaning | Refrigerant‑Related? |
|---|---|---|
| 2 flashes | Low pressure switch open | Yes check charge & leaks |
| 3 flashes | High pressure switch open | Yes check overcharge/airflow |
| 7 flashes | Low outdoor ambient lockout | No not refrigerant related |
Goodman Skips the Marketing Name Here's Why That's Simpler
Unlike Carrier's Puron Advance or Trane's Opteon labeling, Goodman prints the generic refrigerant designation directly on its dataplates.
R-410A vs. R-454B on Goodman Equipment
Goodman's Comfort-series equipment remains on standard R-410A, while its newest platform (GSXH and comparable model lines) is shifting to R-454B as part of the same industry-wide A2L transition affecting every major brand.
Amana vs. Goodman Same Parent, Same Refrigerant Logic
Amana and Goodman share the same parent company and largely the same refrigerant platform strategy, so the R-410A-to-R-454B transition timeline applies to both brands' residential lineups in roughly the same way.
Servicing Legacy Goodman/Janitrol Systems
Older Goodman equipment, including units still carrying the Janitrol name from before the brand consolidation, may still run R-22 and depends on reclaimed supply for continued service.
Frequently Asked Questions
Check the model number prefix against the lookup table above, or read the dataplate directly Goodman prints the generic refrigerant type rather than a marketing name.
Yes, both brands share the same parent company and the same refrigerant platform strategy.
Two flashes indicates a low pressure switch has opened, usually from an undercharge or leak.
Yes, through reclaimed supply only, since virgin R-22 production has ended.
Servicing a Goodman System Today?
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