Before I start on this one… At HVAC School, we focus on a wide range of topics. Many of them are very basic. My experience as a trainer for over 16 years has taught me that no matter what I assume others SHOULD know, it doesn't change the fact that they often do not. This […]

This tip was written by HVAC Applications and Technical Specialist Dakota Brown. Thanks, Dakota! As a technician, it was always the same old story: Are you done yet? There was always pressure from the office—either from the dispatcher, service manager, or project manager—to get the job done and get it done quickly. When I became […]

Does setting a thermostat too low cause an air conditioning system set in cool mode to freeze? The answer is no, at least not directly. However, low evaporator load (low return temperature or low airflow) and low outdoor ambient temperature can lead to evaporator coil freezing. Low indoor setpoint can lead to low return air […]