Construction is now complete on the 1,300 sq. ft. test lab at the Hart & Cooley, Inc. headquarters in Grand Rapids, MI.

Hart & Cooley reports that for many decades, contractors, engineers and architects have come to trust Hart & Cooley, Inc. to engineer and manufacture products to the highest standards. The new lab is one additional way Hart & Cooley, Inc. continues to build on this trust.

This new, three-story addition was designed to enable testing on chimney, vent, duct and accessories for compliance with design specifications, industry requirements and standards. Having the lab in-house allows for timely, cost-effective testing that ensures every product meets all quality requirements and has the highest safety and performance ratings. 

Products used in the construction of the lab include Hart & Cooley’s Milcor brand roof hatch, as well as a damper and exhaust fan from their sister company, PennBarry.  

Founded in 1901, Hart & Cooley, Inc. is a leading manufacturer of  a wide variety of products, including grilles, registers and diffusers, flexible air duct, gas venting and chimney systems, rooftop accessories and duct system components. Based in Grand Rapids, Michigan, Hart and Cooley, Inc. has operations in the United States, Canada, and Mexico. For more information, visit