Founded in 1977, we are leading designer and the largest manufacturer of products for ventilation and air conditioning systems in Poland with internationally famous customers. We make ductwork and sheet metal fabrication for all major industries. Our product portfolio includes:  Spiral Tube and Fittings  Pre-insulated Ducts and Fittings  Flexible Ducting  Dampers  Attenuators  Grilles  Diffusers  Louvers  Air Handling Units  Laminar Air Flow Hoods  Kitchen Hoods Our comprehensive range of products has been developed to meet any application and we can make in standard galvanized, aluminum, stainless steel and copper. We specialize in sophisticated products on demand and we offer a valuable extension to the project team. Throughout years of activities we achieved experience, leadership and confidence of the customers from HVAC industry. We have the ability to undertake any size of project and we are continuously looking for new business partners abroad. Ciecholewski Ventilation guarantee first-class products, service and your satisfaction.