Dr. Chuck Allgood Archives

Dr. Chuck Allgood

Company name: The Chemours Company

Position: Technical Fellow

Dr. Chuck Allgood is a chemist of over 30 years who works with the Chemours Company as a technical fellow and technology leader. He focuses on the development of low-GWP refrigerants and educates industry professionals about A2L refrigerants and the changing regulatory landscape. He films short informational videos on his “Checkup with Dr. Chuck” series on YouTube and the HVACR Learning Network.

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Don’t Squeeze a Radiant Barrier

You are probably all familiar with radiant barriers. Sometimes, it's thin foil draped under the roof deck. Other times, it's used on the inside of stud walls or over furring strips before the drywall goes up, and there is even plywood with a radiant barrier attached to one side that is used for roof decking. […]

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 […]

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 […]

Flammable Refrigerant Update

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ABC’s of New A2Ls w/ Opteon

Flammable Refrigerant Update

Refrigerants of the Past & Future with Dr. Chuck & Brandon Marshall LIVE

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A2L Update With Chemours Live from AHR

Don Gillis and Dr. Chuck Allgood from Chemours join the show to discuss their new easy as “1,2,3” branding around the A2L refrigerants R454A, R454B, and R454C. They explain that A2Ls are not actually flammable like hydrocarbons; they are just mildly combustible with much lower burning velocity and energy than propane or butane. The […]