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3 Flavors of CO2 w/ Rusty Walker
In this episode Rusty Walker from Hill Phoenix talks through the three most common types of market CO2 systems and how they work. Secondary, Cascade and Booster.
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Zonal Pressure Diagnostics—The Backtalk Series (Part 3)
This article was submitted by Genry Garcia of Comfort Dynamics, Inc. It is the final part of his series on zonal pressure diagnostics. Thanks, Genry! Updated 3/4/2022 Picking up where we left off in part 2 of the series, we discussed how a pressure reading from an attached zone indicates only the ratio of the […]Read more
ECM, VFD, and Inverter - What's the Difference?
Ever since Nikola Tesla invented the modern induction motor, we have been struggling with varying the speed of motors efficiently and reliably. The trouble in the HVAC industry is that there are several different types of technologies in play, and they can easily get confused. ECM (electronically commutated motor) In residential and light commercial HVAC, […]Read more
Electricity and the Heart
This article was inspired by an email we received from a viewer of our HVAC School YouTube channel, Jim Holbrook. Thank you, Jim! Disclaimer: This article is written to help educate you and hopefully save lives. We are NOT an authority on the topic. OSHA, as well as company best practices and risk assessments, should […]Read more