Best R-454B and R-32 HVAC Systems In Stock [2025 Buying Guide]
Introduction
With the 2025 phase-out of R-410A and the rapid adoption of low-GWP refrigerants, R-454B and R-32 have quickly become the top alternatives on the market. Unfortunately, supply chain issues and regulatory deadlines have created a severe shortage—especially for R-454B. For homeowners, contractors, and businesses looking to buy an HVAC system in 2025, finding in-stock, compliant units has become both urgent and challenging.
This buying guide breaks down the best R-454B and R-32 HVAC systems currently available, how to find them, what features to prioritize, and what to expect in terms of performance and price. Whether you need to install quickly or future-proof your property, this article helps you navigate the shortage and make an informed decision.
Why Choose R-454B or R-32 HVAC Systems?
Both R-454B and R-32 are next-generation refrigerants being adopted by leading HVAC manufacturers such as Carrier, Lennox, Johnson Controls, and Trane. They feature:
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Lower Global Warming Potential (GWP): R-454B’s GWP is 466, and R-32’s is 675—both significantly lower than R-410A’s 2,088.
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Improved Efficiency: Systems using these refrigerants often boast higher SEER2 ratings.
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Regulatory Compliance: Both refrigerants meet 2025 EPA and AIM Act requirements for low-GWP alternatives.
If you are shopping for a new HVAC unit, choosing an R-454B or R-32 system ensures long-term compliance and performance. Learn more about U.S. regulations from the EPA's HFC phasedown program.
Top R-454B and R-32 HVAC Systems in Stock
Based on distributor data, availability reports, and manufacturer updates, here are some of the best options currently available:
1. Carrier Infinity 26 Air Conditioner with R-454B
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SEER2 Rating: Up to 24
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Compressor: Variable-speed
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Ideal For: Premium residential applications
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Highlights: High energy savings, smart home integration, ultra-quiet operation
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Estimated Price: $6,000–$8,500 (equipment only)
Carrier's refrigerant update and transition strategy offers insight into their commitment to sustainability.
2. Lennox SL28XCV Elite Series with R-454B
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SEER2 Rating: 21.2
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Compressor: Inverter
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Ideal For: High-efficiency cooling zones
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Highlights: ENERGY STAR certified, Wi-Fi connectivity
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Estimated Price: $5,000–$7,500
3. Trane XV20i R-454B Compatible System
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SEER2 Rating: 20
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Compressor: Variable-speed Climatuff
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Ideal For: Southern U.S. climates
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Highlights: TruComfort technology, ultra-quiet, energy-optimized
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Estimated Price: $5,500–$7,800
4. Goodman GSXV9 Series (New R-32 Line)
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SEER2 Rating: Up to 22.5
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Compressor: Inverter driven
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Ideal For: Budget-conscious homeowners
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Highlights: Factory-installed R-32, fast shipping options, made in USA
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Estimated Price: $3,800–$6,000
5. Daikin Fit System with R-32
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SEER2 Rating: Up to 18
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Compressor: Inverter-driven
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Ideal For: Space-constrained homes, split systems
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Highlights: Quiet operation, compact size, efficient cooling with R-32
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Estimated Price: $3,500–$5,500
Explore Daikin's global leadership in R-32 refrigerants and why R-32 is being adopted across markets.
6. Midea R-32 Split Systems
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SEER2 Rating: Up to 20
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Compressor: Inverter
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Ideal For: Multi-zone cooling
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Highlights: Affordable, ENERGY STAR models, good availability
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Estimated Price: $3,000–$4,800
Where to Buy In-Stock R-454B and R-32 Systems
High-buying-intent searches such as “buy R-454B air conditioner online,” “R-32 HVAC in stock,” or “2025 compliant HVAC systems near me” are on the rise. Here are your best channels:
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HVAC Distributors: Look for distributors with high inventory turnover and direct manufacturer partnerships.
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Online HVAC Retailers: Sites like ACWholesalers, Alpine Home Air, and The Furnace Outlet often stock R-454B and R-32 systems with real-time inventory updates.
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Local Contractors: HVAC companies may have reserved stock or alternative units in warehouses.
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Manufacturer Rebate Portals: Some brands offer rebates or notify you of in-stock dealers. Check the ENERGY STAR Rebate Finder.
Tips for Buying During the Refrigerant Shortage
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Act Quickly: Inventory is changing daily. If you find a unit that meets your specs, don’t wait.
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Request Written Confirmation: Ask for confirmation of the refrigerant type before placing your order.
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Prioritize Energy Efficiency: Higher SEER2 systems offer long-term savings and may qualify for rebates. Explore rebate options at DSIRE’s energy incentives database.
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Consider Regional Demand: Areas like Florida, Texas, and Arizona face faster sellouts. Search with terms like “R-32 air conditioner in stock Texas.”
What to Avoid
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Buying Blind: Don’t assume a 2025 system is R-454B or R-32 compatible. Always verify specs.
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Overpaying: Shop around. Use phrases like “best price R-32 HVAC unit” to compare across platforms.
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Delays Without Backups: Have a secondary system option in mind in case your preferred unit is backordered.
R-454B and R-32 Buying FAQ
Q: Are all 2025 HVAC systems using R-454B?
A: No. Some use R-32 or other A2L refrigerants. Always confirm the refrigerant type.
Q: Can I install an R-454B or R-32 system myself?
A: No. Due to A2L classification, both refrigerants must be handled by certified HVAC professionals trained in flammable refrigerant protocols.
Q: Will prices drop later in 2025?
A: Possibly, as supply catches up. But during peak cooling season, expect premiums. According to ACHR News, shortages may persist through summer.
Q: Are there rebates for R-454B and R-32 systems?
A: Yes, many states and utilities offer rebates for high-efficiency, low-GWP HVAC units.
Conclusion: Don’t Wait to Buy
The refrigerant shortage has created a seller’s market. If you're serious about getting an EPA-compliant, energy-efficient HVAC system in 2025, you need to act fast. Focus your search using high-buying-intent keywords like “R-454B AC in stock now,” “R-32 HVAC for sale,” and “buy 2025 HVAC system.”
Secure your system today to avoid delays, missed installation windows, and higher prices.
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