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Date is FINALLY Here! 410a GONE!

We've known for a while now that 410a refrigerant is going away eventually. However, one thing we haven't known is the exact date, during the phase-down of 410a refrigerant, that HVAC manufacturers will have to STOP producing equipment with 410 in it. Now we do! The EPA has come out and said Residential and light commercial air conditioning and heat pump systems must have a GWP lower than 700 by January 1, 2025. EPA's proposed rulemaking can be found here: For more information on the rule and how to comment, as well as information on the virtual public hearing, please visit

On December 30, 2022, at 11 a.m. Eastern time, EPA will host a virtual hearing here:

The 45-day public comment period for this proposed rule will close on Monday, January 30, 2023. The public docket can be viewed at by searching for docket number EPA-HQ-OAR-2021-0643. For more information on the rule and how to comment, visit

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