Trusted Services

Air Conditioning Repair & Replacement

Smith Service Corporation Services Boilers, Water Flow Systems, Industrial Piping, and a broad range of Commercial/Industrial HVAC Systems in the North Alabama area

Air conditioning systems are one of the most expensive investments you will make for your business or organization. Not only are they expensive, but they also serve a vital role in keeping your employees, customers and patrons comfortable no matter what the weather is like outside. Because of this, the company you choose to install a new HVAC system, or repair your current system, is vitally important.

Smith Service Corporation is the HVAC contractor for your job. We’re locally owned and operated and we understand how important the performance of your commercial HVAC system is. Alabama weather can be extremely hot and humid in the summer and unusually cold in the winter! We’re here to help you keep your business comfortable all year round!

We service and repair all makes, brands and models of commercial HVAC systems even if we didn’t install them!

We specialize in all HVAC issues including:

  • All Brands of HVAC Equipment
  • Chillers and Boilers
  • Cooling Towers and Water Flow Systems
  • Computer Room Systems
  • Humidification and Dehumidification
  • Ventilation
  • Refrigeration
  • Controls

HVAC preventative maintenance contracts specifically designed for your needs

  • Monthly
  • Quarterly
  • Semi-Annually
  • Annually

No one knows if or even when your business or organization’s comfort system might break down. Here’s something we DO know: if you have regularly scheduled maintenance performed on your HVAC system, the chances of it having unexpected and costly repairs go down significantly.

Smith Service Corporation recommends routine maintenance for your business or organization in The North Alabama area at least two times per year. Being proactive about seasonal tune-ups can save you headaches, hassles, and money down the road by catching and repairing minor problems before they grow into bigger problems—or even better, preventing them altogether.

Smith Service Corporation offers a regularly scheduled maintenance plan that is both economical and effective.

HVAC Fabrication and Installation Including:

  • Sheet Metal and Steel Fabrication
  • Piping
  • Plumbing
  • Welding


When you have a project that requires precision and top quality fabrication of parts manufactured from sheet metal, metal plate, or structural shapes, search no further than Smith Service Corporation.

With the advantage of almost 50 years of experience, along with modern equipment and skilled craftsmen, we can easily meet your deadlines and quality expectations.

We work with a variety of metals in house from 26 gauge up to ½” plate, and with the help of our associates, even heavier gauges. We utilize processes such as rolling, punching, drilling, shearing, forming, flame cutting, computerized plasma cutting, sawing, and welding to bring your project from paper to delivery.

Please allow us the opportunity to work with you on any upcoming projects. We will do our best to see that you will be pleased with the finished product.

To learn more about our metal fabrication services, or any of the additional services that we provide, contact Smith Service Corporation and we will be glad to assist you.

Mechanical Services

Smith Service Corporation was founded in 1971 in Decatur, Alabama to service and maintain commercial HVAC and refrigeration systems. Quickly, the scope of our work broadened to include all areas of mechanical contracting. From the beginning, Smith Service Corporation has held to the highest standards of customer satisfaction making us a leader in industry know-how, reliability, and trust. We serve all of North Alabama from The Tennessee State line to North Birmingham.