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HVAC/R Evacuation Quiz February 26, 2022, 9:52 pm
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There are two camps I've run into regarding cracked heat exchanger diagnosis. There are those who look for it everywhere and those who dismiss it and never look. I will start by saying that everything I write here is my own opinion and experience. Because this is such a hot-button topic, don't take my word […]
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Remote Ice Machines Why would someone want to take an already complicated machine and make it even more complicated? The answer: human arrogance and engineer's hubris. (Just kidding.) Fortunately, thousands of these ice machines have been installed and serviced. Let's take a little overview of a few of the critical differences and things to consider […]
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When I first started in the trade, we used to run into shielded control wires on the Carrier Comfort Zone 1 zoning systems and also on a Carrier VVT system I used to maintain at a bank. I knew it has something to do with electrical “noise” and that communicating systems often called for it, […]
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