UL LISTED Hart & Cooley flexible air ducts and air connectors have been rigorously tested by Underwriters laboratories, Inc. in accordance with UL 181, The Standard for Safety for Factory-Made Air Ducts and Air Connectors. UL is a not-for-profit laboratory with an outstanding reputation for fire safety and performance testing. Make sure that the flexible duct you buy bears this UL mark. Adc Certified R-Values. All Hart & Cooley insulated flexible air ducts are certified by the Air Diffusion Council for thermal performance in accordance with the ADC Flexible Duct Performance & Installation Standards (1996). Certified R-values are essential to ensure that the product you buy meets the many regulatory energy codes. Only ADC certified products will bear this ADC thermal certification marking. Code Approvals. All Hart & Cooley flexible duct products meet or exceed the requirements of most federal, state, and local mechanical and energy codes. Hart & Cooley flexible duct complies with The Standard Mechanical Code (SBCCI), the National Mechanical Code (BOCA), the Uniform Mechanical Code (ICBO), NFPA 90A and 90B, HUD, and the Florida Energy Code, just to name a few. Be certain that the duct you are buying meets these stringent codes. Outstanding Performance. All Hart & Cooley flexible duct products are performance tested in accordance with industry standards to ensure reliability and years of service. Our core is tested (in accordance with ADC FD 72-R1) for actual installation static pressure/ temperature performance and meets the ratings specified in our catalog. The vapor barriers are tested for permeance in accordance with ASTM test methods. Call-backs are expensive and eat away at your profits, so use flexible duct you know has been performance tested. Industry Involvement. Hart & Cooley is committed to the flexible duct industry and supports it through involvement in many industry related associations, committees, and organizations. Participation in ADC and UL's industry advisory council for UL 181 allows Hart & Cooley to stay at the forefront of industry changes. You need a manufacturer of flexible duct who is involved in the industry to protect your interests. |      TEN YEAR WARRANTY All Hart and Cooley Flexible Duct products are protected by the industry's strongest warranty. Our flexbile ducts are warranteed to be free of defects in material and workmanship for ten (10) years from the date of shipment. |