Founded in 1984, W.A. Smith Inc. is one of the largest mechanical contractors and heating, ventilating, and air conditioning service providers in the Charlotte area. Based in Charlotte, N.C., the company offers a range of products, including packaged and split systems, air handling units, heat pumps, gas and electric heating systems and air driers. It also provides a variety of services, such as system sizing analysis, room to room air balancing and turnkey design, to name a few. W.A. Smith Inc.' capabilities include industrial air compressors and pipe runs, energy management and control systems and variable frequency drives.