Casey Contreras
Company name: National Comfort Institute (NCI)
Position: Field Coach and Instructor

Casey Contreras has been an instructor for National Comfort Institute since 2015. He has many years of residential, light commercial, installation, and service experience. Casey became NCI certified in residential and light commercial air balancing, HVAC system performance, duct system optimization, and CO and combustion. He can be reached at ncilink.com/ContactMe.

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Tech Tips written:

Do You Replace the Contactor and Capacitor With a New Compressor?
Replacing a compressor is expensive, time-consuming, and physically taxing. If we are replacing a compressor, I want us to be doggone sure we aren't going to be dealing with the same thing again, and this often includes a shiny new contactor and capacitor (on single-phase units). There are a few schools of thought on this […]
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3 Bad Techs Who Don’t Know It
First, let's state the obvious and clear the air a bit. The photo above is SUPER CHEESY! But this story is about three bad techs who don't know it, so a photo of three models clearly posing in clean clothes makes as good a proxy for a bad tech as anything else. First off, I'm not […]
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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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