Jhstewart Heating & Air

Jennings-Dill offers a range of mechanical contracting services. It specializes in industrial and commercial air conditioning, heating, process piping, insulation, plumbing and metal fabrication applications. Established in 1947 by John W. Jennings and Roy J. Dill, the company provides services through a staff of more than 150 plumbers, pipe fitters, welders, sheet metal mechanics and millwrights. Jennings-Dill maintains its office in Greenville, S.C.

Operational for over 45 years, General Air Conditioning Service Corporation is a provider of heating, ventilation and air conditioning services. The company also specializes in inspection, property management, leak detection, energy survey analysis and cleaning services. It offers Trane, Lennox, Air Flow and Goodman brand products. General Air Conditioning Service Corporation provides a range of electronic thermostats, gas logs, hot water heaters, carbon monoxide detectors and filtration and air cleaning systems for residential and commercial customers. The company designs and conducts employee development programs. Additionally, it offers field management and equipment installation procedures. General Air Conditioning Service Corporation is located in Greenville, S.C.