R-410A Phase-Out Drives The $5000 AC Rule For Sacramento Homeowners
https://precision-five-star-hvac.theburnward.com/below-45-degrees-manufacturers-exploit-cold-climate-warranty-gaps-to-deny-coverage
The $5000 AC rule stems from EPA refrigerant regulations: if your system uses R-22 or requires more than $5000 in repairs, the EPA often mandates replacement rather than retrofit with new refrigerant types like R-410A or R-454B