13. Why is there no fresh air system noise? The only system noise is a motor. However, the world's leading motor Matsushita quiet design, and installation of the ceiling in the kitchen and bathroom ventilation system is installed in a new way, the noise does not affect the living space. 14. Why does the introduction of new air system increases heat loss? Indoor ventilation is necessary, and there will be a ventilation heat loss. The new system replaces the traditional air ventilation window way to organize the flow of air for ventilation control, so that in the same or smaller heat loss, ventilation more effective. 15 rooms facing the street put brand new ventilation system vents, other rooms or ventilation windows why not? When the house has open windows, it will affect the overall indoor air system produce negative pressure method, making inadequate ventilation of the room through the inlet ventilation. So it is best to install a complete new central air system, but in the sunny time, you can also select the ventilation window. 16, the new air conditioning system and installed there a contradiction? New air conditioning system is not a substitute for, but for use with air-conditioning in the summer window inconvenience ensure indoor air quality. 17, fresh air system can replace range hood? No, but the new kitchen and dining room air system capable of nasty fumes exhaust gas clean. 18, if the requirements of the bedroom closed, how to ensure that the air circulation? Each room is set up the intake and exhaust ports, and out of balance. 19, how to use the new air system maintenance? Motor can run continuously for 10 years or more fresh air system, except in special issue, no maintenance. Inlet filter device can be cleaned once every 4-6 months. If you use PM2.5 filter can be replaced once every six months to a year. Air vents as needed scrub. Golden Lanting Townsend Building 23 new wind installed! The new wind systems approach _ _ Shandong air system Hirono Environmental Engineering (View) provided by the Shandong Environmental Engineering Co. Hirono. Hirono Shandong Environmental Engineering Co. (www.zdhjgc.com) is an industry leader in Shandong Jining, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hirono leadership in environmental engineering staff warmly welcome all inquiries negotiations to create a wide field of environmental engineering a better future.