Based in Reno, Nev., Gardner Engineering & Mechanical Services is a heating and air conditioning contractor. The company has been operational since 1947, providing plumbing, heating, air conditioning, ventilating and refrigeration services. In addition, it offers professional mechanical designs, conception to installation, energy evaluations, system retrofits and maintenance services, as well as complete turnkey projects. Facilities of Gardner Engineering & Mechanical Services include a complete service department, a state-of-the-art sheet metal fabrication shop, as well as a fully-equipped plumbing and piping shop.