The new air system working principle is based in a closed room side with the new wind equipment is sent to the indoor fresh air, and then the other side is discharged from the new wind equipment to the outside, the interior will form the principles of the "new wind flow field" to meet the indoor fresh air ventilation It needs. Embodiments are: the use of high head, high-volume low-power high-speed brushless DC motor driven centrifugal fan, rely on mechanical strength to indoor air, the other side with a new exhaust fan designed coerced discharged to the outside by the side the formation of new wind flow field in the system. In the air at the same time to enter the indoor air into the fresh air filter, Drugs, sterilization, oxygen, preheating (winter). After the host and exhaust heat recovery fresh air exchange, recovering most of the energy back through the fresh air indoors. Borrowing a wide range of clean space formed programs to ensure access to the indoor air is clean. Wind from 200M3 / H to 20000M3 / H range. Instead of the new air handling equipment, do not have a single set of operating rooms, can reduce equipment investment and construction of the area, using heat recovery technology can significantly reduce operating costs central vacuum system brand and save new air handling consumes more than 30%, no heat source supply integration mechanism to reduce the maintenance workload and reduce labor costs. The new wind ventilators filtering fresh air handling units equipped with different filters filters filters, activated carbon filters can effectively prevent the entry of dust and harmful gases and other indoor pollutants, as you create photo clean working environment, the use of simple respect Hangzhou Central vacuum system, a variety of models of home central vacuum system for the construction unit to 1100M2 15M2, integrated institution central vacuum system, built heat exchangers, double fan, filters, switching on and air that is You can use a simple design, but also to adapt to the needs of various building renovation project. Machine equipped with air-conditioning for background noise fan, good shock absorption performance and prevent interference to the scene. Quiet design effectively reduce the machine is running. Central vacuum system, Keao environment, central vacuum system brand by Nanjing Environmental Engineering Equipment Co., Ltd. Keao. Central vacuum system, Keao environment, central vacuum system Keao brand is Nanjing Environmental Engineering Equipment Co., Ltd. (www.njxfxt.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Li.