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steven henry seekings Basic Refrigerant Circuit Course October 20, 2021, 10:44 pm
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Refrigerants, Flammable & Toxic
There has never been a more complicated and confusing time surrounding refrigerants than what we are in right now. We are seeing flammable HC (hydrocarbon) refrigerants with increasing regularity, and EPA rules that just changed appear to be changing again. With all this tumultuous change, it's important to know what to look for in refrigerants […]Read more
The Unexpected Result of Series Circuits
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Is R22 legal to use?
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