Hvac School - For Techs, By Techs

We talk with Trevor Matthews with Emerson about causes of air conditioning and refrigeration compressor failure and the causes Verifying System Operation Sheet from Emerson http://hvacrschool.com/EmersonVerify Diagnosing Compressor Failures from Emerson http://hvacrschool.com/CompFailures

We talk with system and duct design educator Jack Rise about ACCA Manual J load calculation and Manual S system selection

Bill Johnson shares his practical tips to make low voltage electrical diagnosis easier

Eric Mele talks us through some common characteristics of walk-in freezers and refrigerators

In this episode we cover some basic best practices for wiring and wire connections

Jim covers the basics of furnace commissioning in more detail with some common sense practices

How do you set blower taps anyway?

Jim covers setting up furnace input, clocking the meter, setting temperature rise and much more

This episode is about saturation and what it means including boiling, evaporation and condensing.

In this discussion with Bill Spohn from TruTechtools.com we cover the practical steps and tools for YOU to start measuring airflow today... if not sooner.

Delta T (Evaporator air temperature split) what it is, what it means and how to avoid some common pitfalls

In this simultaneously heavy and lighthearted discussion, Bryan Orr and Andrew Greaves discuss ego, Dunning Kreuger, insecurity and apprenticeship in the trades. AK HVAC on YouTube - https://www.youtube.com/user/akgreaves

In this short episode we review the basics of the refrigerant circuit. Compressor, Condenser, Metering Device and Evaporator Find out more at HVACRSchool.com

Jon Bennert from Air Oasis teaches us about PCO and Bi-Polar air purification and how it works.

A summary of reach in coolers (refrigerators), freezers and wine coolers with some mindset and technical tips

Neil and Stephen talk about their dive head-on into building performance and what that looks like day in and day out in an HVAC contracting business.

Author of commercial refrigeration for air conditioning technicians, Dick Wirz talks to us about refrigerator and freezer defrost strategies.

In this episode Bill and Bryan recap the 2018 AHR conference with what they learned and what you can expect to see in the HVAC/R trade in the next year.

We talk to west coast commercial tech Jim Loring about pneumatic controls and VAV

Jeremy Smith goes over floating suction and floating head refrigeration strategies as well as some more on low ambient operation.