Heating & Cooling Flex (H&C Flex™) is a Mueller Streamline Co business specializing in air distribution products, primarily flexible ductwork for residential and commercial climate control applications. With operations in Olive Branch, Mississippi, and Sanger, California, H&C Flex™ has a legacy of manufacturing experience that dates back decades and an established network of sales representatives and distribution locations throughout the United States.

Our products are tested to the highest standards and backed by the best warranty in the industry. Available by the truckload and strategically stocked to respond to various business or project demands. H&C Flex™ offers flexible duct products that provide the most economical solution for air-handling needs. H&C Flex™ uses formaldehyde-free, bio-based, environmentally friendly insulation for improved indoor air quality. Available in boxes or bags. Custom lengths available.

H&C Flex™ is committed to the flexible duct industry and supports it through involvement in many industry-related associations, committees, and organizations. Participation in Air Diffusion Council and Underwriters Laboratories, Inc. industry advisory council allows H&C Flex™ to stay at the forefront of industry changes.