HVAC/R Evacuation Quiz February 28, 2022, 5:20 am

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Incorporating Electrical Quality Into Diagnosis
This article (and many other great training articles) was written by my friend and great educator Jamie Kitchen. This article was originally posted on LinkedIn HERE and has been republished for your benefit with his permission. Thanks, Jamie! I remember back in college I was immersed in a particularly challenging problem dealing with poly-phase circuits. […]
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The Troubleshooting Mindset
This article was written by Senior Refrigeration tech Jeremy Smith. Big thanks to Jeremy for his contributions to HVAC School and the tech community. Having spent many years in the trade and many years reading posts from techs on forums and social media, a big issue that I see is that troubleshooting is something of […]
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Moving Forward with A2L refrigerants
This article about A2L refrigerants was written by Don Gillis with Chemours. Thanks, Don! HVACR service technicians find themselves at the forefront of the refrigerant transition in AC and commercial refrigeration. As hydrofluorocarbon (HFC) refrigerants with high-global warming potential (GWP) are being phased down, mildly flammable A2L refrigerants have been identified as potential lower-GWP alternatives.  […]
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