D.A. Dodd has been providing quality service and craftsmanship in Indiana and Michigan since 1995. We are one of the largest commercial HVAC service companies in northern Indiana. As a fully bonded, insured, union mechanical contractor, D.A. Dodd handles jobs of all sizes, including plumbing, heating, cooling, sheet metal, and industrial process piping for commercial, industrial, and institutional customers. Whether it’s a multi-million-dollar installation or a minor retrofit, D.A. Dodd has the experience to ensure your job is completed on time and within budget. Our separate building controls division features Reliable Controls® (as an authorized dealer). We provide simple, flexible, and sustainable building automation controls. People and technology you can rely onTM.