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HVAC School - For Techs, By Techs

Jun 30, 2017

Restaurant HVAC and refrigeration tech Nick Messick comes on the podcast to talk about restaurant equipment, especially the "hot side." The "hot side" refers to equipment that heats the food; it includes often deep fryers but has a lot of variation. The "hot side" also includes specialty equipment for frying noodles...

Jun 28, 2017

Phil Zito of Building Automation Monthly comes on the podcast to discuss building automation and what HVAC techs should know about it.

Automation essentially refers to control systems; we started off with pneumatic control systems, and then we went to analog and electromechanical control systems over time. Building...

Jun 23, 2017

In this podcast episode, Bryan and Mike Layton of Shore Distributors explain how HVAC contractors and distributors can build a great partnership. Shore Distributors is a wholesaler in Maryland that carries Carrier, Bryant, and Payne.

The job of a territory manager is to help HVAC contractors, so they're there to help...

Jun 20, 2017

In this episode, Bryan talks with Jamie Kitchen from Danfoss about why and how thermostatic expansion valves (TXVs) fail and how they function in the first place.

As fixed orifices become a dying breed with the development of higher-efficiency systems, TXVs take over the mantle as the primary method of expansion....

Jun 14, 2017

In this second part of the podcast, Jim Bergmann wraps up the steps to check a system charge without connecting a gauge manifold.

You can check the charge without gauges if you use the following process (and know your DTD, CTOA, etc.):

  1. Take the dry-bulb temperature. (Let's say it's 70°F in this example.)
  2. Subtract the...