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    Contractor University’s Cracking the Code Weekly Show: Design Principles for Residential HVAC Contractors pt. 2

    May 2, 2024
    Design principles that are more than "up to code" will set you apart from the crowd.

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    Download "Refrigerants Revolution 2024"

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    Our industry's accelerated transition to low-GWP refrigerants is kicking into high gear. Get the latest guidance for staying in compliance.
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    National Comfort Institute Instructor Mark Hunt teaches students how to interpret combustion analyzer readings in a recent training class.

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