Get Tech Tips
Subscribe to free tech tips.
Jennifer Refrigeration Basics Quiz December 20, 2021, 7:22 am
Related Tech Tips
A job well done….. Almost
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 […]Read more
RH, DB, and WB
I recently received a message asking for a discussion of relative humidity (RH), wet-bulb (WB), and dry-bulb (DB). Time and time again, I hear techs say that condensation occurs when “hot meets cold,” which may be true in some cases. However, that is only a shorthand way to describe it and doesn't really address what […]Read more
Why (and When) Do We Need Defrost?
Why Defrost? Let's start with the basics and move on from there. Defrost is necessary when the coil temperature drops below 32°F. Defrost can be as simple as turning the compressor off for a period of time or as elaborate as reversing the flow of refrigerant for the whole system or just parts of the […]Read more