This article is based on the January 28th episode of the HVAC School Podcast: “How to Value Engineer Better w/ Alex Meaney,” Which you can listen to HERE. Simply put, value engineering is the process of finding ways to cut costs out of a project WITHOUT creating quality issues. As Alex stated, 2+2 doesn’t always […]

In commercial HVAC, you will find several different types of multi-stage evaporator coils: intertwined (shown above), horizontal face split (one coil on top of another), and vertical (side by side). When staging a horizontal evaporator, pay attention to ensure that stage #1 is on the bottom and stage #2 is on the top. If stage […]

There are many appliances with compression refrigeration circuits that do not have ports installed for testing, recovery, charging, and evacuation.  These can include window units, PTACs, fountains, refrigerators, and much more. This fact presents a challenge any time you suspect or know there is a refrigerant circuit issue. How can you diagnose and repair when […]