Giant HVAC

Welcome to Giant HVAC

Chicago's #1 Local Heating and Cooling Contractor

AC Tune Up For $89.99

Annual AC tune-up and maintenance is important to keep your air conditioner running smoothly and efficiently. An air conditioner that is not kept up as often may increase your utility bills and will cost more to run. Get our tune-up for only $89.99.

$250 Off Any New Boiler or Furnace Replacement or Installation

Get maximum effectiveness of your boiler or furnace unit. It will save you money on utility bills, and newer models are more energy efficient as well. Replace your boiler or furnace today.

$35 Off Any AC Repair

Emergency services available 24/7. Repair service in hours in your home or at your place of business. Save $35 on any brand of air conditioner repair service only.

24 Hour Emergency HVAC Repair Chicago - Trust us with your HVAC Needs

If you need HVAC services, go with a reputable HVAC contractor. You’ll appreciate working with us because:

  • We have over 30 years of experience
  • We’re a family owned and operated business
  • We can work at both commercial and residential properties
  • We’re licensed and insured HVAC contractors

Our team will provide you with excellent customer service and quality results. We offer 24 hour emergency HVAC repair in the Chicago area. Get a hold of us now to learn more about our commercial HVAC or residential Heating Cooling and Air Conditioning services in Chicago, IL.


We serve the Cook County / North Shore Area: Includes these cities: Evanston, Wilmete, Winnetka, Kenilworth, Ft. Sheridan, Highwood, Lake Forest, Lake Bluff, Northbrook, Glencoe, Highland Park, Glenview, Shorewood, Deerfield, Northfield, Park Ridge, Skokie, Lincolnwood, Mt. Prospect, Des Plaines, Arlington Heights, Morton Grove, Palatine, Prospect Heights, Stone Park, Franklin Park, and Elmwood Park.



We offer heating and cooling service in Chicago, IL to ensure your home is warm throughout this season.


If you're experiencing cooling or heating issues, turn to the experts at Giant HVAC, Inc. Call (773) 539-9629


We offer HVAC maintenance service in Chicago, IL to keep your system working smoothly. Call (773) 539-9629


We offer commercial refrigeration repair in Chicago, IL to get your system back in working condition.

Time to Tune-Up Your Furnace. 18 Point Precision Tune-Up For $89.99.

Our Latest Project

100% Satisfaction Guarantee. If you are not completely satisfied with our repair or service, we will promptly address your needs or refund your service call fee.

Contact Giant HVAC Today!

Same day water heater installation available! Certified master techs available!