Open and Closed Case
I know I'm gonna get some eye-rolling here, but it needs to be said. When we teach electricity to new techs, we use a lot of “water” metaphors. We talk about volts like PSI, amps like flow, and watts like GPM (speaking of GPM in HVAC, check out our article on hydronics HERE). Even the […]
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Short #71 – Brazing, Is Patching OK?
We taking about brazing, soldering and if patching is an allowable repair
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Grocery Refrigeration Talk #LIVE
In this live episode we have a fun conversation talking with Nathan Orr and Kevin Compass about Grocery Refrigeration
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Manual J Battle with Ed and Nathan
Nathan Rothenberg and Ed Janowiak join me on the podcast to talk the good the bad and the uncomfortable of ACCA manual J D & S
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Can Pulling a Vacuum too Fast Freeze Water/Moisture?
First, I want to give credit where credit is due. This post is made possible by the fantastic demonstration video by Neil Comparetto that I embedded below. Before you get bored and stop reading, I want to get the conclusion out in the air. Ice can form in a vacuum, but I still advise pulling a […]
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Short #70 – Is Testing Capacitors Under Load Better?
We discuss under load vs. bench capacitor testing and which is better
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5 Simple Service Valve Tips
Service valves are so basic, and we see them with such regularity that we can miss them altogether. Before I give the tips, I want to address the tech who tells the customer it was “probably the service valve” or “the caps were loose” as a plausible reason for a leak without actually making a […]
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Non-Bleed TXV & Trapped Nitrogen
The following is based on a true story. No product was harmed in the making of this tech tip, and some facts may have changed to protect the guilty and because I forgot some of them. We got a job installing a new 1-to-1 split refrigeration case with R448a, and it had a typical thermostatic […]
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