Air curtains are widely accepted across North America and Europe as a standard fitment in public buildings, retail stores and industrial applications such as coolers, freezers and cold storage facilities. Air curtains are generally associated with retaining heat energy in cold climates, and the energy savings are substantial. For additional information please refer to http://www.nis-co.com/aircurtain/Index.html. Oleg Tchetchel http://www.nis-co.com http://www.nis-co.com/airknife/Index.html
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