Manufacturers are starting to introduce their A2L systems in the U.S., so contractors and technicians must learn how to service and install this new equipment.
Service technicians must understand how to charge refrigeration equipment with the latest refrigerant blends, so that they are able to retrofit existing units or replace failed equipment.
Inexperienced service technicians have a tendency to add refrigerant to a troubled system in order to remedy a problem. Because of this, many systems are operating with an overcharge of refrigerant.