The replacements for R-410A are the two A2Ls, Forane® R-32 and R-454B. Forane® R-32 can be used in new equipment designed specifically for mildly flammable refrigerants as a replacement for R-410A equipment. Its low density allows for the use of a smaller refrigerant charge.
In most cases, R32 is the superior refrigerant when compared to R410A. While neither refrigerant depletes the ozone layer, R32 has a lower GWP and is easier to recycle. R32 also has lower operating and maintenance costs and is nowadays more common than R410A due to the phase-out.
R-454B functions better with POE oils in compressors, which improves its heat transfer efficiency. It also has a lower discharge temperature, which reduces mechanical stress on compressors over time, leading to less wear and tear on equipment compared to R410A.
After being banned for further use back in 2004, it is now illegal to use virgin, recycled and reclaimed HCFCs during servicing, maintenance and repair. The main reason that the R22 refrigerant was banned is due to its effect on the ozone layer.
R32 is available from most refrigerant wholesalers and stationary air conditioning component suppliers.
R-32 has a higher pressure ratio than R-410A. Basically, a higher pressure ratio means the refrigerant can cool more with less refrigerant, which also means less electricity is required for the system to cool your home.
No. R32 is not suitable as a drop-in replacement for R410A and must only be used in systems specifically designed for R32.
The limited supply and more complex manufacturing process of R454B compared to its predecessor R410A contribute to its higher cost.
ComStar's RS-53 (R470A) is the world's only drop-in retrofit replacement for existing R410a systems. At 909, RS-53 has a GWP that is effectively 56% lower than R410a. Additionally, RS-51 (R470B) has a GWP of 717 which is 80% lower than R404a, R507 and half of R448A and R449A.
Although there are various types of refrigerants, R-32 is a balanced refrigerant currently receiving attention. Because R-32 efficiently conveys heat, it can reduce electricity consumption up to approximately 10% compared to that of air conditioners using refrigerant R-22.
RS-53 (R470A) enables users to replace R410A in existing units with minimal changes and inconvenience at low cost.
R32 systems use up to 20% less refrigerant than R410A, making them more efficient and cost less to operate.
Cooling systems shifting from R-410a to newer refrigerants like R-454B refrigerant and R-32 refrigerant will be implemented in 2025. These new coolants are engineered to be friendlier to the environment and meet updated regulations about global warming.
R-454B has a lower GWP than previous refrigerants, meaning it has a much lower climate impact. Trane is phasing in the transition to R-454B in 2024, starting with the adoption of R-454B refrigerant in its residential products, beginning with the XR15 SEER2 heat pump.
Basically, federal standards will require a new type of refrigerant to be used in brand-new home HVAC systems. Right now, cooling systems are required to use HFC and HCFC refrigerants, like R410a. The new guidelines will require A2L refrigerant to be used instead for all systems manufactured after a certain time.
No. R-454B is NOT a drop-in replacement for R-410A. Although many of the characteristics of R-454B are similar to R-410A, the use of R-454B is restricted by code and regulation to systems for which it was specifically designed.
R-410A PHASE-DOWN TIMELINE
In 2024, we will jump to a 40% decrease in production. We will reach a 70% decrease by 2029. In 2034, we will see 80% less R-410A being produced than it is today, and the phase-down will end in 2036 with another 5% reduction.
R-410 refrigerant costs $60 per pound on average, but can range from $40 to $75. Keep in mind you cannot purchase R-410A refrigerant without an HVAC pro. R-410A refrigerant prices range from $40 to $75 per pound.
What is the replacement for R-410A? A lower GWP replacement for R-410A is Forane® R-32. Forane® 32 is a stand-alone third generation refrigerant for new residential and light commercial air conditioning systems, heat pumps and other HVAC applications.
R32 has a higher compressor discharge temperature than R410A, and will increase wear on the compressor, reducing its life significantly. Should any problem arise from a system change such as this, any liability would rest ENTIRELY with the person who carried out the change.
R32 has the advantage of being a singlecomponent refrigerant with higher energy efficiency and a smaller physical footprint. It's already in use globally, so you can be confident in its reliability. R454B, while newer, has the benefit of an even lower GWP, making it the more environmentally friendly option.
Toxic substances like hydrogen fluoride and carbon dioxide are created when R32, like all fluorinated refrigerants, is burnt. Asphyxiation and freeze burns are also a risk.
If one prefers powerful performance, constant temperatures, and long-term savings, inverter ACs are the one for them. On the other hand, if the higher costs associated with purchasing an inverter AC is a problem, and you do not mind the occasional temperature fluctuation, a non-inverter ACs works just as well.
All new systems will use either R-32 or R-454B HVAC Refrigerant, replacing the older R-410A version. It might seem like a great bother until you understand the purpose of these refrigerants. Air conditioners and heat pumps use a principle called heat transfer, illustrated by an ordinary popsicle.