SOLON, Ohio, July 7, 2020 /PRNewswire/ -- As a leader in Northeast Ohio's commercial HVAC & building services industry, GARDINER today announced that the company has committed to be the Presenting Sponsor for the 2020 Rainbow Golf Classic at The Country Club in Pepper Pike on August 31, 2020. The 37th Annual Rainbow Golf Classic is hosted by Rainbow Babies & Children's Foundation which is a supporting organization for University Hospitals Rainbow Babies & Children's Hospital.