
Corrosion
9
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1
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Search complete. 9 mentions across 1 episode found for "Corrosion".
Sep 15, 2026
Premature Coil Failure in Ductless Mini-Splits & VRF Equipment - Short #303
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3:56Brian OrrHOST
What are we seeing out there?
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3:57Roman BaughGUEST
It's one of those things that I've gotten more and more questions about, and we did a great podcast about to pat ourselves on the back with Kevin Hart at the symposium, I think it was two years ago, that we did about the formicarie, corrosion, and galvanic corrosion, and the different types of corrosion that we see just around metals as a whole, but also on indoor units.
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4:14Roman BaughGUEST
And I love talking to Rachel Kaiser.
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4:17Roman BaughGUEST
I like to call her our in-house chemist.
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5:01Roman BaughGUEST
You're like, "Well, this unit lasted 12 years, and then I got a mini-split, or I got a VRF system, and the coil only lasted two years." And it's like, what the heck? And it's like, well, there's a lot of things that go into understanding what's taking place within coil failures.
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5:16Roman BaughGUEST
And so it's not just a one thing or one-size-shoe-fits-all here.
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5:20Roman BaughGUEST
It's a whole scientific deep dive around chemistry, really, and it's a cause and effect that takes place with coil corrosion.
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5:28Roman BaughGUEST
One of the biggest things that I've seen out in the field is sometimes is drastic oversizing.