What's the Future of HVAC Refrigerants?
In 2025, the U.S. HVAC industry faces a major change as R-410A is no longer allowed in new residential and light commercial systems. This shift, driven by the AIM Act, is part of global efforts to phase down high-GWP refrigerants and move toward more sustainable options.
With R-410A being phased out, R-454B and R-32 have become the leading alternatives. Both provide strong cooling performance while significantly reducing environmental impact, making them central to the industry’s transition to low-GWP solutions.
Why is R-410A being Replaced?
Once widely used for its strong cooling capacity and ozone-friendly profile, R-410A’s high global warming potential (GWP 2088) has made it a regulatory target. The AIM Act requires an 85% reduction in HFC use by 2036, pushing the industry toward alternatives like R-454B and R-32.
R-454B & R-32 Refrigerants: A Comparative Overview
R-454B and R-32 both reduce environmental impact compared to R-410A, but each comes with unique trade-offs. R-32 delivers higher efficiency and stable availability, while R-454B offers strong system compatibility and is quickly gaining ground as the primary replacement.
Global Regulatory Alignment
The U.S. AIM Act aligns with international measures such as the EU F-Gas Regulation and the Kigali Amendment, all targeting drastic HFC reductions by 2036. This global shift is driving innovation and standardization of low-GWP refrigerants across markets.
Our blog article, “R-32 vs R-410A: What’s the Future of HVAC Refrigerants?” explores the critical factors driving the refrigerant transition, including:
R-410A phase-out under new regulations
R-454B vs. R-32 comparison
Global refrigerant regulations
LG HVAC Solutions' low-GWP strategy
📖 Want to gain deeper insight into the refrigerant transition and its impact on the HVAC industry?
Read the full blog article HERE and discover how LG is leading with sustainable, high-performance solutions.
For more HVAC Insights,
Please visit our LG HVAC Blog.
Managing Director @ Space Air Ltd | HVAC Engineering
1moLG is a joke!!! the refrigerant bottles displayed are illigal and MUST have safety lables
Managing Director @ Space Air Ltd | HVAC Engineering
1moBy the way R410A will continue for another 20 years 🙄. PS: Do LAG marketing know that there are A1 class non-flammable, refrigerants (some HFO) that has considerably lower GWP that the joke 🔥flammable R32 or R454B 🙄
Managing Director @ Space Air Ltd | HVAC Engineering
1moMarketing ??? we have no clew 🙄 R454B & R32 is an A2L flammable class and fire propagator if leaked !! while R410A id A1 class non-flammable and fire suppressor if leaked The label is illigal as you have to indicated flammability ???
Thermal Engineer | Registered Engineer in Mech & Elect Field Level II | Mechanical Team Lead
1moLess charge on a same cooling capacity
--
1moR32A+R290A