O.A.T., Inc is a Canada-based company that is engaged in the refrigeration and air conditioning business. The Company builds heating, ventilation and air conditioning (HVAC) system package to control the usage time and temperature in each room using a computer utilizing the direct digital control program. The HVAC system is composed of chiller, cooling tower, chilled and hot water pump, hydronic piping system, custom air handler, and variable air volume (VAV) box, among others. Its primary clients include government sectors, military units, air force base and marine corps base, among others.
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