Listed In: Air Conditioning Contractors, Heating Contractors, Plumbers Retailers, Plumbers Contractors, Water Heaters Repairs, Water Heaters Dealers

Located in Cleveland Heights, brothers Verne & Ellsworth Hann started their HVAC business in 1952. They were among the region’s first to develop expertise in newly popular central air-conditioning. Ellsworth’s son, William A. Hann, took ownership 21 years later and expanded with plumbing,… Read more