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

https://trentonmprh712.inkharbory.com/posts/questions-ogden-homeowners-should-ask-before-hiring-hvac-help-2

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.