by John Krigger | Mar 31, 2022
(0.6 CEU; 40 minutes) The HVAC refrigeration cycle is a very important concept in building science and HVAC. This micro course is a good introduction or a good refresher course, in case you haven’t thought about refrigeration in a while. Most of the content in...
by John Krigger | Jan 21, 2022
(2.5 CEUs) Central air conditioners and heat pumps rely on the refrigeration cycle to provide heating and cooling. This lesson explains the refrigeration cycle in simple language with clear diagrams. You’ll learn the following. How HVAC refrigeration systems...