Service First USA is a Chicago-based Mechanical Contractor company that offers a variety of services to meet your commercial needs. Our specialties include Commercial Refrigeration, HVAC, Electrical, Plumbing, and Welding services. In addition, we offer design, sales, installation, service & repair options, as well as manufacturing custom refrigeration, kitchen ventilation, and HVAC systems.

With a wide network of EPA/NATE Certified Technicians and certified AWS welders, we are equipped to provide reliable service and repair services Nationwide. We can handle everything from small repairs to complete system installations and designs, making us the ideal partner for all of your HVAC/R Service needs.