Hvac School - For Techs, By Techs

In this podcast we discuss the common myth about flame rod / semsor / rectification cleaning

Eric and I discuss his new home and how he plans to install new central air the Eric Mele way.

We talk through measuring amperage on a blower and condensing fan motor and why you may be measuring inaccurately resulting in a misdiagnosis.

In this episode we review application based system selection considerations for VRF/VRV systems

We talk about Specific gravity, relative density and why it matters to a tech

In this episode we speak with Embraco about R290 (Propane) refrigerant, Hydrocarbons and what you need to know about them. Links: http://refrigerationclub.com/ http://naturalrefrigerants.info/ http://embraco.com/Default.aspx?tabid=40  

We talk through measuring amperage on a blower and condensing fan motor and why you may be measuring innaccurately resulting in a misdiagnosis

In this service manual talk through episode we discuss the Heatcraft Beacon 2 refrigeration system and what it entails

This episode covers the why and the how of low ambient cooling and refrigeration

I talk to John Oaks about his experience as a VRF tech in the field including branch boxes and two pipe vs. three pipe technology

This is a voice over audio presentation of the article of the same title on the HVACRschool.com website

Jason Obrzut come on and talks us through his furnace sequence of operation training  Take It Slow, It's Gonna Blow

We talk through stack effect. What it is and what issues it causes.

Jim gives us a year end review of all that is happening at MeasureQuick with Redfish, BluFlame, BluVac, Supco, Testo and Fieldpiece

What is the difference bewteen accuracy, precision and resolution

John guides us through all aspects of ventilation and ventilation design with a review of point ventilation, ASHRAE 62.2, whole home ventilation strategies and much more

Bill and Bryan discuss manometers, combustible gas detectors, personal CO detectors, draft gauges and combustion analyzers

In this episode Bryan speed talks through all the basics of a heatpump and how it functions.

Jason from ESCO and Cengage comes on to talk about the varying landscape of EPA 608 regulations with what you need to know for now