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The R-410A Phaseout: Key Dates & Transition Timeline

January 1, 2025

R-410A Ban for New AC Systems

New Residential & Light Commercial. AC & Heat Pump systems can no longer use R-410A.

Manufacturers must switch to low-GWP refrigerants. (e.g., R-32, R-454B)

2028

Major HFC Supply Cut

HFC Production/import reduced to 40% of baseline.

Possible price increase on R-410A.

2029

R-410A Supply Tightens – Higher Costs Expected

Potential supply restrictions for R-410A servicing.

2036

Final HFC Phaseout – 85% Reduction

Final Phaseout: HFC supply reduced by 85%. R-410A will be scarce and expensive, similiar to R-22 today.

Most systems will use A2L refrigerants (R-32, R-454B)

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⬆️ Understanding the R410A Phase Out: New Refrigerants Explained

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