As an A/C tech, I can sometimes get the terms “defrost termination” and “defrost fail-safe” mixed up because they sound pretty similar. Before we cover these terms, let's set the basic defrost groundwork for refrigeration (coolers and freezers). Defrost is accomplished in one of a few ways; these first two only apply to “coolers” where […]

We all know what excuses are. They tend to sound like, “I would’ve done a better job if I’d just had the right tools!” or “I would have found that disconnected duct if I weren't dispatched at 6 PM!” Some people probably say, “Those aren’t excuses. Those are reasons!” OK, sure, we can call them […]

In these tips and on the podcast, we talk a lot about the importance of deep vacuum, and deep vacuum using proper processes and tools is the best. It's really the ONLY way to ensure that a system is clean, dry, and tight. Just for review, that means: Nitrogen purge, flow and pressurize > Cores […]