... ; 2)stable motors; 3) low noise; 4)with heater of 2000-3000W cross flow blowerMaterial: aluminium alloy & galvanized sheet, or ... be chosen in all applications, The blowers, creating high air volume with low vibration, are commonly used in HVACsystems, ... machinery for heating, ventilating, air conditioning, drying, dehumidifying,etc. Fans can be served in insulation ...