Giant HVAC

Welcome to Giant HVAC

Chicago's #1 Local Heating and Cooling Contractor

Get Your 18-Pt Precision Furnace Tune-Up Just $79.99!

Annual furnace maintenance is important to operate at maximum effectiveness. A dingy furnace has to work extra hard, and costs more to operate, increasing your utility bills. Get our 18-point furnace precision tune-up.

$100 Off Boiler or Furnace Replacement

Boilers and furnaces eventually get too old and need replaced, and in order for you to keep your family warm this winter season, we highly recommend replacing these soon, before the frigid winter temps come. We are offering $100 off any boiler or furnace replacement.

$35 Off Any Furnace or Boiler Repair

Repair service in hours in your home or at your place of business, Emergency services available 24/7. Save $35 on any furnace or boiler 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.

Time to Tune-up your furnace. 18 Point Precision Tune-up for only $79.99!

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 $79.99.

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!

Service Area

Chicago Services: Residential HVAC | Furnace Repair | Boiler Repair | HVAC Maintenance | Appliance Repair | Commercial HVAC | Refrigeration Services | Fabrication Services | Sheet Metal Works | Plumbing Repair | Sewer Repair

Areas Served: Near Me | Addison | Arlington Heights | Bellwood | Bensenville | Berwyn | Bridgeport | Bridgview | Broadview | Brookfield | Buffalo Grove | Burbank | Burr Ridge | Cicero | Des Plaines | Elk Grove Village | Elmwood Park | Evanston | Forest Park | Glencoe | Glenview | Hanover Park | Harwood Heights | Highland Park | Hillside | Hyde Park | Inverness | Itasca Village | Kenilworth | Kildeer Village | Lagrange | Lake Forest | Lincolnshire | Lincolnwood | Maywood | Melrose Park | Mount Prospect | Niles | Norridge | Northlake | Oakbrook | Oak Park | Palatine | Park Ridge | Prospect Heights River Forest | Rosemont | Schaumburg | Schiller Park | Skokie | Stone Park | Villa Park | Wilmette | Winchester | Winnetka | Woodale