Clean air started here
September 23, 2015
By Steve Schaeber, MACS Technical Editor An important part of MACS Section 609 Certification is a history lesson, discussing the series of events that led to the rules and regulations...Read Article >
A/C use and fuel efficiency, A MACS whitepaper
July 13, 2015
Does using your A/C system cause you to burn more fuel? MACS attempts to answer that question in the attached whitepaper. Free download. If you’re a service professional...Read Article >