2017

Double traps are no good. That's the end of this tech tip. Okay, here's some detail: Anytime your drain goes up and down more than once, you have a double trap UNLESS you place an air vent between the two traps that vents ABOVE the drain inlet. The double trap causes drainage issues because air […]

What do you need to know to walk up and fix a VRF or Ductless System? Long time VRF and Ductless Pro John Chavez covers his approach in part 2 of this podcast

This episode covers some basics of matter that relate to HVAC/R – Matter, Mass, Weight and volume. This includes specific gravity and specific volume. 

What do you need to know to walk up and fix a VRF or Ductless System? Long time VRF and Ductless Pro John Chavez covers his approach in part 1 of this podcast

Photo by Brad Hicks at HVAC in SC Right off the top, let me state something loud and clear: The tool does not make the tech. Let that sink in before you move on. A good tech has a solid understanding of WHY they are doing what they are doing, the basic math of the […]

Frank Besednjak talks about proper communication in conflict between techs and managers as well as the potential problem with inexpensive air conditioning maintenance specials

Carter Stanfield, co-author of Fundamentals of HVACR talks the entire refrigerant circuit as well as reading and plotting a pressure enthalpy diagram

James Bowman talks to Bryan about sealant products, how they work, when they don't work and how to be open minded without being gullible.

Dick Wirz, author of “Commercial Refrigeration for Air Conditioning Technicians” talks about making the switch to refrigeration, Evaporator split, defrost and more…