A/C Systems and Service, Refrigerants, Contamination, EPA, A/C Organizations, A/C Systems and Service
Many companies use the term "drop-in" to mean that a substitute refrigerant will perform identically to CFC-12, that no modifications need to be made to the system, and that the alternative can be used alone or mixed with CFC-12.
Clean Air Act Amendment changes that may effect HVAC and Mobile airconditioning system repair and maintenance as well as ownership concerns.
So you think you know why you need a vacuum pump? While it is important to realize that moisture in a refrigerant system is the underlying cause of most problems and complaints, it is equally important to learn why and how to properly dehydrating a Refrigerant System.