If a compressor unit goes out and the vehicle warrants the cost of a retrofit, conversion to R-134a will be considered. One 30-pound cylinder is kept in the garage. The garage has a refrigerant leak detector. Future needs of R-12 cannot be accurately predicted. Most air conditioners are relatively new.
Leakage usually starts in four years.
The garage should stockpile more cylinders to ensure needs can be met in the future when old air conditioners start to leak. The program is EPA certified. Fred is not certified to work on low pressure equipment. The Newbern-Trane program is based on the Ferris State University program. Verbal approval has already been received by Newbern-Trane.