air conditioning

ac-restologo

Air conditioning system basics

How to keep an old car cool By William C. “Bill” Anderson, P.E. Many collector car owners wonder what to do about their air conditioning (A/C) systems as ever-changing government regulations dictate the type of refrigerants allowed. In 1994, Freon, or R-12, was outlawed and replaced by R-134a and that is now being replaced....