HVAC
Understand Your HVAC—Superheat and Subcooling
If you’re an engineer maintaining HVAC units, you need to understand some fundamental concepts. Two important terms to grasp are superheat and subcooling. These are critical to the refrigeration cycle, but can be tough concepts to visualize. Let’s start with superheat. Boiling is when a liquid gains heat and transforms into a vapor. Superheat occurs…
