[Changchun] roof fan, roof fan manufacturers, Henderson air conditioning and ventilation equipment provided by Horizon Air conditioning equipment. Texas Horizon Air Conditioning Equipment Co. (www.hxktsb.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! BDW-87-4 glass roof centrifugal fan with variable speed motor, the choice of excellent kilocycle Seiko molding fiberglass material, fan performance, noise has been tested to meet the design requirements, with high efficiency, low power consumption, light weight, corrosion-resistant, reliable and simple to install. Noise limit at 65 (A) decibels, the noise level can not meet such requirements, plus anechoic chamber roof fan base between the manufacturer and the fan, the factory took the design for the user, and manufacture. Roof ventilation fans are widely used plant equipment, plant height with gas cooling installation mill floor roof of its seemingly simple ventilation fan, people often see manufacturers use as roof fans, exhaust natural gas or roof design floor or wall Let air supply, exhaust fan roof fan market price, and even some manufacturers can not stand the heat using roofing watering way, and eventually found these measures on the ventilation and cooling the bottom of the plant especially concentrated area of ??personnel and equipment no significant cooling effect. Then, after another attempt to install curtain wall manufacturers or high pressure spray applied suction fan mode, or hanging facades and roofs placed environmental conditioning way to send cold air into the workshop, of course, the effect of the move has been significantly improved.