Older refrigerants like
Lennox' highest efficiency cooling systems are designed to use R-410A refrigerant, therefore providing an economic benefit in addition to the environmental benefit. Lennox' R-410A systems are also known for improved reliability, quieter operation, improved dehumidification and enhanced heat pump performance.
Daikin became the world's first company to succeed in applying R-32 to air conditioners by leveraging its expertise as the only manufacturer that develops and manufactures both air conditioners and refrigerants.
R32 is being increasingly used in residential, commercial, and industrial air conditioning systems as a replacement for R22 and other older refrigerants.
Ahead of the 2025 regulatory shift, Lennox products, such as the Ultimate Comfort System, will transition to the environmentally responsible refrigerant R-454B.
Changes to the Dangerous Goods Legislation, effective in 2021, has new categories for A2L refrigerants. R32 is a synthetic greenhouse gas. If released to the atmosphere it can contribute to climate change. R32 is a flammable refrigerant.
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.
Disadvantages:Different from R22 and R410A, the R32 is slightly flammable. But combustion will not occur unless three critical conditions are met, refrigerant concentration, constant oxygen, and an ignition source. In real practice, it's hard to meet all the combustion conditions.
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.
In a move towards sustainability, GREE, a global leader in HVAC systems, has taken a significant step by integrating R32 refrigerant into its HVAC system product line. With a keen eye on the future, GREE recognizes the urgent need to reduce environmental impact without compromising on performance.
Can a R32 system be charged with R410A or vice versa? Daikin The simple answer is no. The operating characteristics of both refrigerants are different and the systems have been designed accordingly. One example is that the compressor runs hotter for a R32 system so the compressor design will be different.
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.
Regulatory - There are no published regulations or granted EPA petitions that state R-32 will be prohibited in the U.S. after 2029. In fact, R-32 is a single component refrigerant, while R-454B is a blend that consists of nearly 70% R-32.
Lennox HVAC units are produced by Iowa-based Lennox International. The global company produces heating, ventilation, air conditioning HVAC units and solutions for the refrigeration markets. Lennox also includes the Heatcraft Refrigeration and Armstrong brands.
In the first half of 2024 we'll phase out our R-410A dedicated models and introduce -01 refrigerant versatile models, compatible with both R-410A and R-454B refrigerants.
New units will use R32 refrigerant. The new units will not work with R410A coils or air handlers. The new condensers and heat pumps are receiving new model numbers, as shown in the table on the right and Appendix One for the Nomenclature Chart.
At this mass of refrigerant charging, the cooling capacity of R32 was higher than that of R410. For four masses of refrigerant charging, the COPs of R32 were always lower than that of R410A. As a result, in terms of energy saving, it is not recommended to drop-in replacement of R410A to R32 in residential A/C.
Choosing the right type is more cost effective and helps you to be kinder to the environment. Discover Panasonic air conditioners with R32 refrigerant for better energy efficiency and lesser impact on the environment. Powerful cooling with 25M Long Reach Airflow.
If the refrigerant used for the existing unit is other than R22, R407C and R410A, the existing refrigerant piping cannot be used. If the existing unit has another use than air conditioning, then existing refrigerant piping cannot be used.
For homeowners, the 2025 refrigerant changes mean new air conditioning systems purchased after this date will likely use R-32, R-454B, or other low-GWP refrigerants.
Understanding the Current HVAC Refrigerant Guidelines
Most HVAC brands have started to swap out their older AC and heat pump units over the year, preparing for the 2025 deadline, when they will have to completely stop the production of systems with R-410A.
Over 15 years later, this audience has become even more niche, and the R32 now has a cult-like following. If you are willing to join this cult and have the financial means to maintain the car, then absolutely, you should buy one. A well-maintained R32 is surely a future classic.
LG leads the way with R32 refrigerant
Now builders can take advantage of the many benefits of R32 refrigerant for their homeowners with LG solutions and technologies as a refrigerant that reliably keeps homes warm and cool.
R-454B is the newest refrigerant, which will gradually replace R-410A, the refrigerant used in current HVAC manufacturing.
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.