Good ventilation is to dilute the advantages of a variety of indoor pollutants, effective way to improve indoor air quality, fresh air ventilator, while the supply of fresh air to displace the same amount of polluted indoor air, and the usual fan coil (fcu) plus fresh air system, new air system were individually set into the room air box, extra room air by positive pressure to exclude, in some closed tight building, possible shortage of fresh air, from the one hand, the use of fresh air in the air conditioning system ventilators instead of fresh air supply fresh air unit is advantageous wind chassis picture, there are also many examples of such applications engineering. Fresh air ventilator is a new ventilation equipment, which uses two-way ventilation, the fresh outdoor air (fresh air) into the interior, but also the polluted indoor air (old style) discharged to the outside. Into the interior of the new air filter air through the air filter box offer to protect the indoor air clean. Due to the winter and summer a large temperature difference between inside and outside, in order not to cause a two-way ventilation and cause greater fluctuations in room temperature air box production, within the fresh air ventilator is set to air heat exchanger, so that the old style and new style switching temperature, achieve both ventilation and also maintain the basic stability of the effect of indoor temperature. Wind chassis installation, wind chassis, rich ventilation equipment from Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) (www.frtfsb.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Plumper ventilation equipment into the brilliant and you work for a better future!