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Refrigeration Basics Quiz September 4, 2022, 10:10 am
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Does Refrigerant Get Old or Wear Out?
Over the years, I have heard technicians say that refrigerant can wear out or “lose its blend” by sitting in a tank. Refrigerant does not wear out or “lose its blend”… at least not like that. What can and does happen is called “fractionation.” Refrigerant blends are composed of a mix of refrigerants with different […]Read more
What's So Wrong With "Beer Can Cold"?
First off, if you've never heard the term “beer can cold,” you are either not in the trade, or you have been living a pretty sheltered existence. I started as a tech apprentice when I was 17 years old, and on my first day in the truck, my trainer grabbed the suction line of a […]Read more
The term “short” has become a meaningless phrase in common culture to mean “anything wrong with an electrical device.” A short circuit is a particular fault that can mean one of two things in technical lingo: 1. Any two circuits that are connecting in an undesigned manner This issue would be the case if a […]Read more