Rooftop Units

Rooftop HVAC units are the most common HVAC units used by commercial buildings in Chicago, they are cost-efficient, pre-built, and are set to fit a variety of different consumer needs. A single rooftop unit from GIANT can both heat or cool your building efficiently and cost effectively. Reach out to a GIANT representative today to learn more about the numerous advantages of installing a commercial grade rooftop HVAC unit!

  • 80% to 90% Efficient or 80 to 90% Efficiency Rating

  • Save on Heating and Cooling Costs

  • Routine Maintenance Services

  • Professional Installation

Unit Maintenance For Long-Lasting Use

GIANT understands that as a business you want to get the most out of the investments you make, that is why we offer maintenance and repair services for all of our Rooftop HVAC units. Ensuring that you will get the most out of your unit for years to come.

Learn More About Our High-Efficiency Rooftop Units

With the help of our partner companies we offer products that cater to any business’s needs. Reach out to our team for a no obligation consultation and we can work to develop a solution for you.


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See what other people say about giant

Craig Marshall

Went to turn on the AC and it was blowing hot air all day. I called these guys to schedule a maintenance check and they came a few hours later. They were in and out and my AC is working fine now. 5 stars, would highly recommend!!!

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