Just so you don't get bored and quit reading, let's get straight to the point. When the blower runs for more than a few minutes after the system has cycled off in cool mode, the air may continue to be “cooler” (lower sensible temperature) coming out of the supply. However, the heat content of the […]

Whether you love it or hate it, leak detection is one of those staples of HVAC, and the stakes are pretty high. Leaks that go undetected can also cost the customer quite a bit in refrigerant over time, especially with the rising prices of R-22 and R-410A. Worst of all, we could end up replacing […]

Let's take a walk through the startup and commissioning procedure of a conventional or “single” refrigeration condensing unit. We’re going to start with a unit that is fully piped in and has been pressurized for leak and strength testing. For brevity, we are going to assume a basic familiarity with industry standards, company and customer […]