A well-respected and well-recognized name in the mechanical contractor field, DeKalb Mechanical is also the area’s largest residential heating and air conditioning contractor. Dedicated to fast response, affordable solutions and customer satisfaction, the company is proud of its professional staff of Service technicians who are on call 24 hours a day, 7 days a week for all of your commercial and residential heating and air conditioning needs. We will perform according to your plans and specifications, or design a system utilizing our in house design team, to give you the comfort you deserve.