Recent laws in California and new EPA rules are targeting older refrigerants that contribute to climate change, and this will affect what kind of AC systems you can repair or install going forward. 

Don’t worry – we’ll break down what this means for your Pasadena HVAC system and how it might influence your decisions on repairs or replacement.

Goodbye R-22 and Soon R-410A: Why Refrigerants Are Changing

First, a bit of background. 

Before 2010, many air conditioners used R-22 (Freon), which was phased out due to its ozone-depleting properties. Since 2020, R-22 has no longer been produced, making it costly and hard to find. Most systems using it are now retired or retrofitted.

Today’s systems mostly use R-410A, which doesn’t harm the ozone layer but is a high-GWP HFC. 

Leaks release greenhouse gases, and California, aiming to reduce climate impact, has passed regulations to move away from R-410A to newer refrigerants with a lower GWP (meaning they trap less heat in the atmosphere). 

In fact, in 2022, the state set a schedule to prohibit certain high-GWP refrigerants. 

Meet the New Refrigerants: Lower GWP Alternatives

Starting in 2025, new AC systems will use refrigerants like R-454B and R-32 instead of R-410A. 

These newer options have about 65–70% lower global warming potential, making them more climate-friendly. They may also improve energy efficiency slightly, though comfort and performance will feel the same for homeowners.

How Do These Regulations Affect Your Current AC System?

  • R-410A availability and cost: New AC units with R-410A are being phased out after 2024, and refrigerant production will decline. By 2030, only reclaimed R-410A will be available in California. Over time, this could make maintenance more expensive if your system needs a recharge.
  • Repairs vs. replacement: If your R-410A unit is still in good shape, you can keep maintaining it. But for older systems, future repairs may not be cost-effective compared to upgrading to a new unit with a next-gen refrigerant.
  • No retrofitting: You can’t switch an R-410A system to a newer refrigerant like R-454B. These refrigerants require different components and pressures, so you’ll need a new system when your current one reaches the end of its life.

Planning for the Transition as a Homeowner

Given these changes, here’s what we recommend for Pasadena homeowners:

  • Check Your Refrigerant: Find out what your system uses. R-22 means it’s outdated and expensive to service. R-410A is still supported but in a transition phase.
  • Consider System Age: If your R-410A unit is 12–15+ years old, it may be time to plan for a replacement with a more efficient, low-GWP system.
  • Watch for Rebates: California may offer rebates for upgrading to next-gen systems. Check with your utility provider or HVAC contractor.
  • Get Professional Guidance: A qualified HVAC contractor like Pioneers Heating & Air can walk you through your options and help you select a compliant, efficient system.
  • Maintain Your System: Regular maintenance extends system life and keeps performance high regardless of refrigerant type.

Pioneers Heating & Air – Guiding You Through HVAC Changes 

Regulatory changes can sound intimidating, but they ultimately aim to give us cleaner, more efficient cooling solutions. As a homeowner, staying informed and planning ahead is the best step. 

Pioneers Heating & Air is here to help Pasadena residents navigate these HVAC refrigerant regulations. 

Call us at (747) 567-3660 or reach out online – we’ll ensure your home stays cool and compliant with California’s latest HVAC standards. 

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