LAS VEGAS - Hart & Cooley Inc. noted its achievement of the top microbial resistance rating, “Highly Microbial Resistant” (level 4), for its entire Hart & Cooley and Ameriflex flexible duct systems offering, through the Greenguard Environmental Institute’s (GEI) Microbial Resistance listing program.

The company has also received third party certification from Collaborative for High Performance Schools (CHPS), which is an organization that oversees a green building rating program especially designed for K-12 schools.

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