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Andrew Greaves
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Tool Selection: Manometers for the Right Job
Last week, we briefly looked at the spec sheet of a gauge manifold. All things considered, it was quite short; we only had to worry about the refrigerant types, pressure ranges, and hose diameters. However, manometers’ spec sheets are quite a bit longer than gauge manifolds’ because they have resolution and accuracy specs, among other […]
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Condenser Fan Blade Placement
In a previous article, I talked about wiring permanent split capacitor (PSC) condenser fan motors. While researching the topic, I realized that there isn’t as much information available on condenser motors as there is on their counterpart—the indoor blower motor. I had never really given it much thought, as I assumed that the condenser motor […]
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Tool Selection: Analog vs. Digital vs. Probes
The original tools of the trade were all analog: electrical meters, gauges, and even manometers (Magnehelic, anyone?). However, digital tools have also become a staple of the skilled trades—where would most of us be without digital multimeters? And then probes also joined the fray with the rapid improvements to smartphone technology over the last 15–20 […]
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Podcast guest:

Mentors and Role Models w/ Andrew Greaves
Andrew Greaves joins us again from AHR 2020. This time, he discusses what mentors and role models do in our trade and why they're important. Mentors are not just the grouchy senior techs who throw hammers at apprentices. Mentors have an active role in others' professional development; they spend a lot of time with their […]
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A Peek Behind The Curtain w/ Andrew Greaves
Andrew Greaves comes on the podcast to give us a sneak peek into the life of a tool manufacturer. Andrew has worked in the field for a long time and has recently begun working for NAVAC. He currently works as a regional manager who oversees operations in 24 states; his main task is to establish […]
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Beating the Ego, Ignorance, and Insecurity Monster w/ Andrew Greaves (Podcast)
In this simultaneously heavy and lighthearted discussion, Bryan Orr and Andrew Greaves discuss ego, Dunning-Kruger, insecurity, and apprenticeship in the trades. In the early days, apprenticeships were quite different from the way they are today. One-on-one mentorship used to be a much more significant component of early apprenticeships, but that style of training is uncommon […]
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