Buy R-32 Refrigerant Online
Genuine, factory-sealed R-32 in 25 lb cylinders, the single-component A2L refrigerant behind most current-generation ductless mini-splits and a growing share of new heat pumps. EPA Section 608 compliant, ships nationwide.
A2L
675
0
-61°F
25 lb
PT Chart Preview (partial)
A quick-reference preview use the full calculator for any pressure or temperature, not just the values below.
| Temperature (°F) | Pressure (psig) |
|---|---|
| 0 | 44.9 |
| 20 | 96.7 |
| 40 | 170.2 |
| 60 | 269.8 |
| 80 | 401.1 |
| 100 | 569.8 |
| 120 | 782.9 |
Need a value not listed here? Open the full R-32 PT calculator →
Where R-32 Is Used
Ductless Mini-Splits
The standard refrigerant across most current-generation single-zone and multi-zone ductless systems.
New-Construction Heat Pumps
A growing share of new residential heat pump platforms are launching on R-32 rather than R-410A.
High-SEER Equipment
R-32's thermodynamic properties support higher efficiency ratings than R-410A in comparable equipment.
Shop R-32 Cylinders
R-32 Refrigerant 20lb Cylinder – Low GWP Replacement for R-410A
In stock
Original price was: $420.00.$243.00Current price is: $243.00.-
2025 low-GWP replacement for R-410A refrigerant
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Up to 12% more efficient than R-410A systems
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Single-component pure refrigerant (no glide)
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Can be charged in liquid or gas state
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A2L rated mildly flammable, low toxicity
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Widely adopted globally for modern HVAC systems
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Ideal for residential AC and heat pump applications
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20 lb virgin, factory-sealed refrigerant cylinder
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-32 purchases require valid EPA Section 608 technician certification on file before checkout. R-32 is classified ASHRAE A2L (mildly flammable) and requires A2L-rated recovery machines, storage, and transport handling, standard non-flammable-refrigerant equipment is not sufficient. Always follow manufacturer handling and PPE guidance.
Related Guides
R-32 vs. R-410A: Which Is Right for a New Install?
Comparing efficiency, cost, and long-term availability.
- Read Guide →
A2L Handling Requirements for Technicians
What changes when a shop starts stocking mildly flammable refrigerants.
- Read Guide →
Daikin's Early Move to R-32
Why one manufacturer got ahead of the industry on this refrigerant.
- Read Guide →
What Every Technician Should Know About R-32
The single-component refrigerant leading the industry's shift toward lower-GWP, higher-efficiency equipment.
Single-Component Refrigerant, Simpler Charging
Because R-32 isn't a blend, it can be charged as either liquid or vapor without the fractionation risk that applies to blends like R-410A, one less variable for a technician to manage during a recharge, even as the A2L classification adds new handling requirements elsewhere.
Why R-32 Runs Higher Pressure Than R-410A
R-32 operates at meaningfully higher pressure than R-410A at the same temperature, which is part of why it can't simply be swapped into an R-410A-rated system, the components, especially the compressor and expansion device, are engineered for R-32's specific pressure curve.
A2L Equipment Requirements for Shops
Stocking and servicing R-32 requires A2L-rated recovery machines, refrigerant detectors, and ventilated storage, a real infrastructure investment for shops transitioning away from exclusively non-flammable refrigerants. Planning that transition before volume forces the issue avoids a scramble later.
Frequently Asked Questions
R-32 is mildly flammable (ASHRAE A2L classification), which requires specific handling equipment and storage, it is not as hazardous as fully flammable refrigerants but does require more caution than non-flammable R-410A.
No. The two refrigerants have different pressure curves and equipment is engineered specifically for one or the other.
Yes. Federal EPA Section 608 rules require valid technician certification on file before purchase.
R-32's thermodynamic properties allow better heat transfer performance, which is part of why manufacturers can hit higher SEER ratings with R-32-based equipment.
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, since standard non-flammable-refrigerant equipment isn't rated for R-32.
Need R-32 Today?
In-stock cylinders ship same day, with wholesale pricing available for contractors and distributors.