LJ Wing is a manufacturer of Heating, Ventilating, and Air Conditioning (HVAC) components ideal for controlling the temperature and quality of outside air for any commercial or industrial building. Our product mix includes steam or hot water integral face and bypass coils, steam or hot water unit heaters, steam or hot water boiler combustion preheaters, steam or hot water air handling units, door heaters and air curtains, and industrial gas unit heaters. LJ Wing invented the integral face and bypass coil concept 50 years ago to protect air handler coils from freezing when handling large amounts of outside air.
Another innovative idea from LJ Wing, the inventor of the freeze-resistant integral face and bypass coil. The MV Coil design is perfect for VAV applications. The MV also provides vernier-like control for more temperature sensitive installations.
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Northern West Virginia
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Southeastern Ohio
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Western Maryland
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Western Pennsylvania