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

https://telegra.ph/Year-Round-HVAC-Maintenance-Tips-for-Homes-on-the-Wasatch-Front-09-03

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.