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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Storing Food for Flavor and Safety

Even if you're not a market refrigeration tech, we all know that the primary function of refrigeration is to keep food cool. Easy, right? Even though food storage sounds pretty simple, there are a lot of things we should keep in mind when we think about food safety and quality. There’s a lot more to […]

Stay On Your Game During Summer Service Calls

The summer is a season of opportunity for HVAC technicians, and by opportunity, I mean a super high volume of service calls with a greater chance of callbacks. We’re based in Florida, so our techs have to deal with the combination of blistering heat and higher humidity. That combo can cause all sorts of problems: […]

Parallel Circuit Resistance

In a series circuit (loads connected in a row end to end), it's easy to calculate total circuit resistance because you simply add up all the resistances to get the total. In a parallel circuit, the voltage is the same across all the loads; the amperage is simply added up, but the resistance is a […]

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 […]