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We exist to glorify God by enriching the quality of every life we touch. For more than 50 years, Cambridge Air Solutions, Inc. has been committed to enriching the lives of its people, representatives, customers and suppliers through the design, manufacture and application of commercial and industrial space heating, ventilation (make-up air) and evaporative cooling products. We have been ...Providing You with Ventilation Solutions. PennBarry is a leading manufacturer of full service ventilation products for commercial and light industrial applications, including energy recovery units, make-up air systems, kitchen hoods and SupremeFan supply and exhaust products.