Understanding the Different Types of AC Refrigerants & Which Is Right for You
Not all air conditioning systems are created equally. When it comes to keeping your home or business cool in the intense summer heat, the type of refrigerant your system uses matters. Many people assume there’s only one type of AC refrigerant, but that’s far from true.
There are three major refrigerants commonly used in residential systems today. Here’s a clear breakdown to help you choose the right one for your needs.
Freon (R-22)
One of the older refrigerants you might encounter is Freon, also known as R-22. If your system uses Freon, you may recognize it by the green-labeled containers used for refilling. However, R-22 has become increasingly obsolete.
Research has shown that R-22 damages the ozone layer. Because of this, the Clean Air Act banned manufacturers from producing new R-22 in 2010. While you can still maintain an older R-22 system, the only available supply now is reclaimed, recycled, or recovered refrigerant — making it harder and more expensive to source.
R-22 also comes with health risks. If you ever see ice forming on your unit, that can signal a refrigerant leak. Freon leaks can reduce oxygen levels in the body and should always be handled by a trained HVAC professional.
Puron (R-410A)
Puron, also known as R-410A, is the standard refrigerant used in most modern AC systems. It’s more energy-efficient, chlorine-free, and significantly more environmentally friendly than R-22.
Systems that run on R-410A typically offer:
• Better reliability
• Higher efficiency
• Improved indoor comfort
If your system currently uses R-22, it cannot be converted to run on R-410A. A full system replacement is required, which is why many homeowners upgrade to a Puron-based system when their R-22 unit fails.
R-32 (Low Global Warming Potential Refrigerant)
R-32 is the next-generation refrigerant becoming more common in new AC models. While R-410A is far better for the ozone layer than R-22, it still has a relatively high Global Warming Potential (GWP). R-32 drastically reduces that impact.
Key benefits of R-32 include:
• One-third the GWP of R-410A
• High efficiency and strong performance
• Lower environmental impact
The biggest thing to note: R-32 is mildly more flammable than R-410A. Even so, millions of R-32 systems are in use worldwide with an excellent safety record.
Breaking Down Your Options
When choosing your next AC refrigerant, here’s the quick takeaway:
Avoid:
• R-22 — harmful to the environment, discontinued, and hard to replace.
A great standard choice:
• R-410A (Puron) — widely available, efficient, and eco-friendly compared to R-22.
Best long-term choice:
• R-32 — high efficiency with the lowest environmental impact among common residential refrigerants.
Need Help Choosing the Right Refrigerant or AC System?
Navigating different refrigerants can feel overwhelming, but you don’t have to choose alone. At Comfy Air Cooling & Heating, our experts can guide you toward the best option for your home and budget.
Whether you need a repair, a new installation, or help selecting an eco-friendly system, we’re here to make it easy.
Reach out to your hometown air conditioning contractor today — we’ll help keep your home cool and comfortable for years to come.
