The move to R-454B matters for Ogden HVAC services because it is an EPA-acceptable refrigerant for certain systems

https://knoxptgp674.yousher.com/why-ogden-s-elevation-and-seasonal-climate-matter-for-hvac-decisions-1

The move to R-454B matters for Ogden HVAC services because it is an EPA-acceptable refrigerant for certain systems, but it is mildly flammable and can only be used in equipment specifically designed for it.