Honeywell Refrigerants Genetron® & Solstice®
Honeywell holds the patents behind several of today's A2L refrigerants. Shop genuine Genetron and Solstice product lines, verified and factory‑sealed.
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Compatible Refrigerants
Solstice® N40 (R‑448A)
Low‑GWP R‑404A replacement for commercial refrigeration.
Solstice® yf (R‑1234yf)
Automotive A2L refrigerant for MVAC systems.
Genetron® R‑32
Single‑component refrigerant for residential heat pumps.
Genetron® 407C
R‑22 retrofit blend for legacy commercial systems.
Honeywell Product Line Reference
| Product Line | Refrigerant | Typical Use | Cylinder Sizes |
|---|---|---|---|
| Genetron® R‑32 | R‑32 | Residential split systems & heat pumps | 25 lb |
| Solstice® N40 | R‑448A | Commercial refrigeration retrofit | 24.5 lb |
| Solstice® yf | R‑1234yf | Automotive MVAC | 10 lb |
| Genetron® 407C | R‑407C | R‑22 retrofit, commercial | 25 lb |
Related Guides
R‑410A vs R‑32
Comparing Honeywell's Genetron R‑32 to the incumbent R‑410A standard.
- Read Guide →
R‑22 Retrofit Guide
Moving legacy systems onto Honeywell Genetron 407C.
- Read Guide →
Honeywell Authenticity Guide
How to spot counterfeit or reclaimed cylinders sold as genuine Honeywell product.
- Read Guide →
Solstice N41 vs. Opteon XL41: Same Refrigerant, Different Label
Honeywell's Solstice N41 and Chemours' Opteon XL41 are both trade names for R-454B, the same AIM Act–compliant refrigerant sold under two competing manufacturer brands. The chemistry, GWP rating, and system performance are identical between the two what differs is packaging, cylinder branding, and which company's batch documentation ships with the product. A technician cross-referencing an OEM spec sheet that lists either name is filling the same system with the same product, not choosing between two different formulations.
One Refrigerant, Three Names on the Spec Sheet
Honeywell's Solstice N41 is the same R-454B refrigerant that Chemours sells as Opteon XL41 and that Carrier ships pre-charged as Puron Advance. If an equipment spec sheet calls for one of these names, any of the three fills the same role in the system the difference is packaging and manufacturer, not chemistry.
When to Choose Honeywell Specifically
Shops with an existing Honeywell account, or techs servicing Honeywell-specified OEM equipment, typically stay with Solstice and Genetron product lines for consistent batch documentation. Honeywell also holds patents behind several current A2L formulations, which is why its naming shows up across multiple equipment brands' spec sheets.
Genetron vs. Solstice: What's the Difference
Genetron is Honeywell's legacy and single-component refrigerant line, covering products like R-32 and R-407C retrofit blends. Solstice is the newer, low-GWP A2L family, covering R-1234yf for automotive use and R-448A/R-454B-class refrigerants for stationary systems. Knowing which family a system needs narrows the product list before checking cylinder size.
Frequently Asked Questions
Yes. Solstice N41 is Honeywell's trade name for R-454B, the same refrigerant that Chemours sells as Opteon XL41 and Carrier ships as Puron Advance.
Yes, provided the system's dataplate specifies R-32 as the approved charge. Genetron R-32 is chemically identical to R-32 sold under any other manufacturer's name.
Genetron 407C is the most common R-22 retrofit blend for legacy commercial systems, though the compressor and metering device should be confirmed as retrofit-compatible first.
Check the batch code and tamper-evident seal against Honeywell's registry. Every Smart Refrigerants order ships with this verification documentation included.
Stock Your Bay With Genuine Honeywell Refrigerant
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