HVAC Refrigerant Changes: R-454B & What It Means for You
The world of HVAC has undergone a significant shift as of January 1, 2025. New regulations from the Environmental Protection Agency have changed the types of refrigerants that can be used in heating and cooling systems. These updates aim to minimize the environmental impact of HVAC systems while paving the way for cleaner, more efficient technology. If you own a home in the Chicago North Shore area, you might be wondering how these changes affect you and your older home. Let’s dive into what’s behind the new refrigerant guidelines and how they’ll impact your HVAC system.
Why Did HVAC Refrigerants Change in 2025?
The refrigerant changes introduced in 2025 stem from the EPA’s ongoing efforts to reduce greenhouse gas emissions and combat climate change. Traditional refrigerants like R-410A, while effective, have a high Global Warming Potential (GWP). This means that if these refrigerants are released into the atmosphere, they contribute significantly to global warming.
The EPA introduced R-454B, a next-generation refrigerant, as part of its phasedown of hydrofluorocarbons (HFCs). These regulations align with global agreements to decrease the environmental impact of refrigerants while encouraging the adoption of more sustainable alternatives.
What Is R-454B?
R-454B is the refrigerant set to replace R-410A in most new HVAC systems. With a GWP that’s approximately 78% lower than R-410A, R-454B is a more environmentally friendly alternative.
The benefits of R-454B go beyond sustainability. It’s designed to be highly efficient, with excellent heat transfer properties that enable HVAC systems to perform optimally. It also has low toxicity and a reduced flammability risk, making it a safer choice for homes and businesses.
How Will the Change to R-454B Impact Me?
If you’re a homeowner, the shift to R-454B may bring up a few questions about your current HVAC system. The good news is that existing systems using R-410A can still be serviced. In fact, R-454B is often compatible with existing systems and can replace R-410A without major retrofits or upgrades
If your AC, heat pump, or ductless mini split needs to be replaced or you’re planning an upgrade, any new installation will use R-454B. The phased-out refrigerants will become harder to find and more expensive to purchase as time goes on, so if your system is not compatible with R-454B, you may want to upgrade to a system that is.
Choose American Vintage Home for Expert HVAC Services
Not sure which refrigerant your HVAC system uses? The team at American Vintage Home can help you determine this and guide you through your options. We specialize in installing, repairing, and maintaining heating and cooling systems, including SpacePak systems, that preserve the charm of your older home while delivering modern comfort. Our team proudly serves the North Shore area with unmatched expertise and a deep understanding of vintage homes. With 24/7 emergency service, free, no-obligation estimates on installations, and a commitment to sustainable solutions, we’re the best choice for all your HVAC needs.
Contact us today to schedule HVAC services or learn more about upgrading to an R-454B-compatible system!
