Giant Mechanical, Inc. has been satisfying customers with competitive pricing and unparalleled workmanship. Giant Mechanical, Inc. builds excellence into every project it undertakes. As a full-service contractor, it provides an integrated solution to your heating, refrigeration, ventilation, and air conditioning needs.

For a free consultation, or for more information regarding our products and services, call Giant Mechanical, Inc. at (773) 539-9629, fax us at (773) 539-9822.

Giant Mechanical, Inc. a family owned and operated company, specializing in sales, service and installation of Commercial HVAC and Refrigeration Equipment for more than 15 years.

Giant Mechanical, Inc. is a sheet metal HVAC contractor & manufacturer. We manufacturer all duct work systems and we do all installations. Material used galvanized sheet metal, stainless steel, PVC coated metal, black iron, and aluminium.

Sheet metal shop utilizing plasma-cutting machine, to provide our customers with outstanding quality products, reliability and performance.

New installation, additions and renovating existing HVAC system is our speciality. Giant Mechanical Engineering, Inc. provides the properly sized equipment and duct work. We have many years of experience working with builders and architects providing HVAC systems that work.


Giant Mechanical, Inc. has the manpower, equipment and organizational skills needed to handle both simple and complex installations and services. The depth of our experience and expertise makes it possible for us to anticipate your needs, avoid problems and assure an efficient, trouble-free installation

Our goal is to continue to be the foremost service/maintenance contractor and a leading a contractor of HVAC systems in Chicago land area.

Our mission at Giant Mechanical, Inc. is to provide top quality services and installations of HVAC & Refrigeration Systems. Our goals include maintaining a standard of excellence that has our customers wanting us to be their first choice for our services. We desire to leave our customers wanting to recommend our services to their peers.

Whether the service we provide is HVAC & R systems system, HVAC & R maintenance services, system retrofit or energy savings measures we strive to ensure quality, on-time completion of your project.