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    Terry McIver
    Whenever a case door is opened, the surrounding ambient air enters the refrigerated space, which results in a sizable source of heat gain. This air must then be cooled to match the refrigerated space temperature.

    Bruce Schaefer

    refrigeration and boiler specialist
    Phone: 314-447-0603

    Bruce Schaefer is a refrigeration and boiler specialist for HVACR distributor Johnstone Supply, and is based in St. Peters, MO. He can be reached at 314/447-0603.