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    Quiz: Refrigerant Recovery & Evacuation (Continued)

    Nov. 12, 2024
    As older refrigerants become an increasingly precious commodity, proper recovery and evacuation procedures are more important than ever before.
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    Refrigerant Cylinders

    Take this Quiz on the Refrigerant Phasedown

    Nov. 3, 2023
    Test your knowledge of important points about HFC and A2L refrigerants.
    Gas Pipe Fittings

    Quiz: Gas Pipe Sizing

    Oct. 11, 2023
    Gas pipe sizing is often overlooked. Test your knowledge with our latest quiz.
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    Quiz: Gas-fired Furnace Wiring Diagrams & Sequence of Operations

    Aug. 22, 2023
    Are you "cooking with gas?" Find out with our latest quiz.
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    Quiz: Electrical Components and Controls

    July 20, 2023
    A new quiz tests your knowledge of electrical controls.
    Furnace Flames Dreamstime L 121751041
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    Electricity Caution