Vacuum Testing; Don Gillis; Gillis Coach

As the HVAC industry transitions toward A2L refrigerants and increasingly emphasizes installation quality, contractors are paying greater attention to evacuation procedures, moisture removal, and leak detection. Noted industry trainer Don Gillis, in his inaugural article for HVACRTrends, shares technical insights on the need for vacuum testing. According to Don, the two … [Read more...] about How Vacuuming Can Deliver HVACR Distributor Sales