Why Contractors Need to Plan Ahead for R-454B — And Why R-32 Might Be the Better Option
As the HVAC industry shifts toward environmentally friendly solutions, the adoption of R-454B refrigerant marks a significant milestone. This transition supports global efforts to reduce greenhouse gas emissions and comply with tightening regulations. However, there’s a growing concern among contractors: widespread delays and limited availability of R-454B cylinders are already affecting lead times—and that’s only expected to get worse as summer approaches.
What’s Causing the Delay?
Interestingly, the problem isn’t the availability of the refrigerant itself, but rather a shortage of refrigerant cylinders used to package and transport R-454B. According to Trent Davis, director of marketing and product management at Lennox Commercial HVAC, there is enough R-454B gas available—but the supply chain bottleneck is with the cylinders. That means contractors trying to stock up for the cooling season may face unexpected delays unless they plan ahead.
Manufacturers Are Ramping Up — But It May Not Be Enough
Some manufacturers like Worthington Enterprises have ramped up cylinder production, but the supply is still tight. Contractors are being advised to order their R-454B 90 days in advance to avoid shortages during peak season. This type of long-range planning is inconvenient at best and unsustainable for smaller HVAC companies at worst.
Transitioning to R-454B: Key Considerations
- It’s mildly flammable (A2L), requiring additional safety training and special handling.
- It’s not a direct replacement for R-410A, meaning new systems must be designed specifically for R-454B.
- Regulatory complexity is growing, and contractors must stay updated to remain compliant.
Why R-32 Might Be a Better Alternative
- Lower GWP: R-32 has a GWP of 675, which is lower than R-410A and comparable to R-454B.
- Higher Efficiency: R-32 systems are often more energy efficient, leading to better performance and reduced utility bills.
- Single-Component Refrigerant: Unlike blends, R-32 is a single-component refrigerant, making it easier to recover, recycle, and reuse.
- Smaller Refrigerant Charge: Systems using R-32 typically require less refrigerant, which can reduce both costs and environmental impact.
- Wider Global Adoption: R-32 has already been adopted in millions of systems globally, especially in Daikin units, the company that originally developed and championed R-32.
Make the Switch with Confidence — Call TemperaturePro Air & Electric
At TemperaturePro Air & Electric, we specialize in high-efficiency Daikin systems—and we’re proud to offer equipment that uses R-32 refrigerant for smarter, more sustainable comfort. As a Daikin Elite Dealer and a leader in inverter technology, we help homeowners reduce their carbon footprint, increase indoor comfort, and plan for the future of HVAC—without getting caught in supply chain delays.
Whether you’re replacing an aging R-410A system or building new, our team can guide you through your options and help you choose the best fit for your home and family.
Call TemperaturePro Air & Electric today to schedule a free in-home consultation and discover why R-32 + Daikin = unbeatable comfort and performance. 210-858-5566
