The Ventilation and Pressurization Systems are designed based on the area to be ventilated, heat load, number of persons in the area, type of roof, number of doors and windows for various types of industries, basement of malls to bring about desired number of air changes per hour and consist of providing fresh air supply blowers fitted with inlet filters to supply filtered air distributed through dustings controlled through grills and effectively exhausting out foul air. Pullman Engineering Systems Pvt. Ltd. Offers Ventilation and Pressurization Systems. Pullman Engineering Systems Pvt. Ltd. Manufactures fume extraction systems, pneumatic Conveying systems, ventilation and pressurisation systems, dust collections systems, etc. The Ventilation and Pressurization Systems can be provided along with evaporative cooling arrangements.