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Old 06-03-2021, 10:39 AM
retiredguy123 retiredguy123 is offline
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Originally Posted by tuccillo View Post
Wrong. They EPA requirements do apply to residential system. The trigger rate is a 10% leak in 12 months.

Comfort cooling- These are air-conditioning appliances used to provide cooling in order to control heat and/or humidity in occupied facilities including but not limited to residential, office, and commercial buildings. Comfort cooling appliances include but are not limited to chillers, commercial split systems, and packaged roof-top units.
It would apply to large residential systems with 50 or more pounds of refrigerant, but I don't think it applies to individual house HVAC systems. This is from the EPA website regarding Section 608 of the EPA Refrigerant Management regulations. Do have another link that would have different requirements?