Ventex Inc. was founded in 1984, and has become one of Canada's largest louver manufacturers by operating on our simple philosophy of supplying excellent, top quality products. We offer a complete line of extruded aluminum louvers and dampers: Thin line, four inch, six inch, exhaust, stormproof, drainable, operable and combination louvers. Many are licensed to bear the AMCA seal for both water penetration and air performance.