Quality Ceiling fresh air ventilator manufacturers preferred Texas Hao Feng ventilation and air conditioning. Sales Hotline: 13573487358 ceiling fresh air ventilation machine features: 1, ultra-quiet design: new air ventilator fan with fan, low noise inside the device to take efficient muffler technology, machine work, low machine outside noise, no interference; 2, maintenance-free design: The unique design of the air flow channel, the air permeability is good, wind resistance, long-term continuous use, the heat exchange body maintenance; 3, ultra-slim design and easy installation: special body for slim machine design, to bring great convenience to install, saves valuable building space; 4, Seiko secret agents: equipment components are made of high quality steel, eco-friendly materials, aluminum frame, surface electrostatic spray technology processing speed, high quality, beautiful and delicate appearance ; 5, the air filter design: ceiling mounted fresh air ventilator built-in professional-grade air filters to ensure clean and fresh air into the room. Mounting points: ceiling mounted, vertical, horizontal; also in accordance with user needs, design and production of non-standard products to best meet customer and market needs. The new wind ventilators can bypass function is designed to fully utilize the natural energy in spring and autumn, the outdoor fresh air without passing through the heat exchanger directly into the room, keeping fresh and comfortable indoor environment, greatly extending the core body heat life.