Chicagoland’s Top Commercial
Provider of Heating, Air Conditioning, and Plumbing with over three decades of experience

Be it maintenance, installation, or repairs, we offer 24/7 service and a real customer service agents that prioritize your needs as a client.

Trust the Professionals
to ensure your commercial HVAC systems are working properly and efficiently.

As a business here in Illinois the last dilemma you would want to find yourself in would be losing your heat during a polar vortex, or your air conditioning during a heat wave. GIANT HVAC’s professionals and their attention to detail handle the hard work so you can have peace of mind when it comes to your business’s heating and cooling needs.

  • Quality Air Control

  • Accredited Professionals

  • Life-time Repairs Service

  • Full Temperature Control

  • Full Disclosure of all repairs


Repairs done in

around the
Chicagoland area.

Because we prioritize accuracy and customer satisfaction GIANT HVAC delivers speedy repairs whenever you need them.

Our team can service any need you may have, from the installation of AC or Heating units to repairing or even replacing preexisting ones, GIANT has you covered.

We also provide ductwork, regular servicing, and troubleshooting services. Call us at 773-539-9629 to schedule your repair services!

Companies We Work With

Experiencing problems with your HVAC?

Schedule An Appointment!

Have our professionals checkout your HVAC to ensure its working at maximum efficiency before its to late, resulting in a brand new HVAC, which could be costly compared to a repair.

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!!!

Website created by Digital Dash