Buy R-454B Refrigerant Online
Genuine, factory-sealed R-454B in 25 lb cylinders, the low-GWP A2L refrigerant replacing R-410A across new residential platforms, sold by equipment makers under names like Puron Advance and Opteon XL41. EPA Section 608 compliant, ships nationwide.
A2L
466
0
-46°F
25 lb
R-454B Pressure/Temperature Chart
A quick-reference preview use the full calculator for any pressure or temperature, not just the values below.
| Temperature (°F) | Pressure (psig) |
|---|---|
| 0 | 25.1 |
| 20 | 59.8 |
| 40 | 109.6 |
| 60 | 178.2 |
| 80 | 270.5 |
| 100 | 391.4 |
| 120 | 546.9 |
Need a value not listed here? Open the full R-454B PT calculator →
Where R-454 Is Used
New Residential Split Systems
The refrigerant behind most current-generation residential AC and heat pump equipment launches.
Packaged Rooftop Units
Carrier Puron Advance & Trane/Lennox Opteon XL41 Systems, The same chemical sold under equipment-brand names.
AIM Act Low-GWP Requirements
R-454B is a primary path manufacturers are using to meet current federal GWP targets.
Shop R-454B Cylinders
R-454B 20lb Refrigerant Cylinder – DOT & EPA Compliant
In stock
- Refrigerant: R-454B (HFO/HFC blend), Next-generation low-GWP HVAC refrigerant
- Weight: 20 lbs per cylinder
- Compliance: DOT certified & EPA compliant
- GWP: Ultra-low GWP of 466, dramatically lower than R-410A
- Application: Residential & commercial HVAC systems designed for R-454B
- Grade: Virgin, factory sealed
- Origin: Available in USA, compliant with US regulations
- Future-Ready: Designed for EPA low-GWP regulatory compliance
R-410A vs. R-32 vs. R-454B: Which One Do You Need?
All three run in overlapping equipment categories here's how they actually differ.
| Feature | R-410A | R-32 | R-454B |
|---|---|---|---|
| GWP (100-yr) | 2,088 | 675 | 466 |
| ASHRAE Class | A1 (non-flammable) | A2L (mildly flammable) | A2L (mildly flammable) |
| Energy Efficiency | Baseline | Higher | Slightly higher than R-410A |
| Best Use | Existing residential & light-commercial systems | New high-efficiency mini-splits & heat pumps | New residential systems replacing R-410A |
| Availability | Wide, current standard | Growing, newer equipment | Growing, newest equipment |
Not sure which one your system uses? Check the dataplate on your outdoor unit, or see our HVAC brand compatibility guides →
EPA Section 608 & A2L Handling Notice
R-454B purchases require valid EPA Section 608 technician certification on file before checkout. R-454B is classified ASHRAE A2L (mildly flammable) and requires A2L-rated recovery machines, storage, and transport handling. Always follow manufacturer handling and PPE guidance.
Related Guides
Puron Advance, Opteon XL41, Solstice N41: Same Refrigerant
Different Name, Untangling the manufacturer trade names for R-454B.
- Read Guide →
R-454B vs. R-410A: What Changes During a System Recharge
Pressure, handling, and equipment differences.
- Read Guide →
Which HVAC Brands Have Moved to R-454B?
A brand-by-brand rollout status.
- Read Guide →
What Every Technician Should Know About R-454B
The refrigerant most new residential systems are being built around, even when the equipment dataplate doesn't call it R-454B by name.
Why So Many Trade Names for One Refrigerant
Chemours developed and patented much of the chemistry behind R-454B, licensing it to equipment manufacturers who then apply their own branding. That's why the same refrigerant shows up under at least three or four different names depending on which brand's dataplate you're reading, rather than one universal name across the industry.
R-454B vs. R-410A Pressure and Handling
R-454B runs at somewhat lower pressure than R-410A at comparable temperatures, but the more significant difference is flammability classification, R-454B's A2L rating requires recovery and storage equipment that standard R-410A service doesn't need.
Confirming Which Refrigerant a "New" System Actually Uses
Because manufacturers are running R-410A and R-454B in parallel across different equipment tiers, "new" doesn't automatically mean R-454B, the dataplate or model-prefix lookup on the relevant HVAC brand page is still the only reliable way to confirm.
Frequently Asked Questions
Yes. Puron Advance is Carrier and Bryant's trade name for R-454B.
Yes. Opteon XL41 is Chemours' trade name for R-454B, used by Trane, Lennox, and American Standard.
No. The two refrigerants have different pressure characteristics and R-454B requires A2L-rated equipment, unlike non-flammable R-410A.
Yes. Federal EPA Section 608 rules require valid technician certification on file before purchase.
Smart Refrigerants stocks 10 lb and 25 lb cylinders, plus case quantities and bulk tank pricing for distributors.
Yes, A2L-rated recovery machines and storage are required.
Need R-454B Today?
In-stock cylinders ship same day, with wholesale pricing available for contractors and distributors.