Greenheck’s ICD series of Insulated Control Dampers have earned AMCA’s new certified rating of Energy Efficiency. This new test method, which is found in ANSI/AMCA standard 500D-12, assigns a damper a Thermal Efficiency Ratio (E) by comparing its thermal performance with the thermal performance of a standard reference damper. In addition to being certified for energy efficiency, the performance of ICD series dampers is also AMCA certified for pressure drop and leakage. Greenheck ...This story is related to the following:Green & CleanSearch for suppliers of: Electrically Operated Dampers | Heating Dampers | Dampers