Air Conditioning Companies in Illinois

Comprehensive list of commercial and residential air conditioning companies in Illinois offering installation, repair and maintenance services.

Business Listings

The national heating ventilation and air conditioning association (nhvac. Org) is a private organization dedicated to providing consumer protection from unlicensed and unprofessional hvac and heating industry contractors.


Whether it’s troubleshooting or installing HV/AC system, Global Heating and Cooling is happy to walk you through our process & findings. We are here for you 24/7 our Team Leaders will answer all of your questions.

  • I am a homeowner and Global Heating & Cooling was the only company to assist with our


Chicago HVAC Repair Doctor, Inc services the local Chicago neighborhoods and suburbs with professional heating and air conditioning repair services. We take pride in every aspect of our HVAC repair work and we make sure we give it our all.

  • Yesterday started out bad woke up to gas smell call gas people they made us sit in the

Full service hvac contractor. We specialize in furnace installation and replacement. We also install central air conditioning systems and repair.

  • My old ac went out and Gene was quick to respond. Decided to go with a new ac unit. Was

When you call Grand Comfort, you can be sure that you are working with an honest and ethical team of highly-skilled HVAC professionals. We also offer simple, hassle-free financing that makes HVAC installation and repair easier on your budget. Examples of our HVAC company most frequently requested HVAC services include: - Furnace Installation - Furnace Repair - Furnace maintenance - Heater Repair -

  • My furnace wasn't heating well. I called this company to diagnose the issue. Technician

Call Deljo today to arrange a Carbon Monoxide Safety Check and Tune Up of your furnace. It's important to the safety of your family. Serving the Chicago area for over eighty years, Deljo Heating and Cooling brings to the heating and air conditioning service sector a lifetime of knowledge in the perfection of our craft.

  • Chris and his partner arrived early during the window of time. They were courteous and

About Us Dubson Heating, Air Conditioning and Refrigeration. installs quality Trane equipment but will service all brands of furnaces and air conditioners. While we specialize in equipment replacement and remodel, we do new home construction. In addition, Dubson's can take attention of your electrical requirements, from minor repairs to installing a new electrical service.

  • Bryce and his guys did a fantastic job installing our new units! We are so glad we stayed

Mattex Service Company is a leader in installing, repairing, and servicing heating, cooling, plumbing, ventilation, refrigeration, electrical and commercial kitchen equipment. We serve clients in Champaign, Urbana, Mahomet, Monticello, Paxton, Rantoul, St. Joseph, and many other E central Illinois communities.

  • Jamie and Austin worked hard all day and were focused on the job. They were pleasant and

Through the highest quality service and products, All Temp Heating & Air Conditioning keeps your home comfortable, no matter how extreme the Chicago area weather. Our licensed technicians specialize in the installation, maintenance and repair of heating and cooling systems, servicing all makes and models, offering free in-home estimates, and 24-hour emergency service.

  • No quality in the work they do, I won't be surprised if they are sued for negligence.

Phillips Mechanical LLC is your local full service HVAC,Heating,Cooling,Air Conditioning Refrigeration and Ventilation contractor. Keeping You Comfortable All Year Around. Providing Excellent Service and Customer Satisfaction. We Inform and educate Consumers in the hvac market. The Heating & Cooling Industry can be very expensive to customer, but we pride ourselves in being new and re-inventing prices

  • I bought an Amazon deal to have my Air Conditioner cleaned. The service tech arrived

Instead of just providing you a block of time for your service, we actually set a date and time to handle your repairs or installation. At Masters Brothers, we value our clients' time and aim to supply the highest value possible in the most effective manner. We don't just say we'll be there: we commit to an appointment time in order to make the repair/installation process easier for you.

  • MastersBros replaced our 14 yr old air conditioner and we couldn't be more pleased. From

Around the Town Heating & Cooling Inc. is Chicago’s top heating and HVAC contractor. We guarantee the best residential and commercial heating and air conditioning repair in and around Chicago, IL. We provide same day or next day repair on all makes and models of central air conditioning, furnace and boiler system repairs, We will match or beat prices by anyones else in the Chicago area.

  • Ed and his crew are stand up guys. They do great work at fair prices. I've used them several

Effective air is a family owned business that dates back to 1940s, Energy conservation and safety are our specialtys, saving our clients money and keeping them safe is our Goal, Our technicians are certified Combustion and carbon monoxide experts, And air balance and airflow experts. Effective air has recieved many awards, Including the coveted CONTRACTOR OF THE YEAR, distinguished dealer award and

  • These guys do great work and take the time to go the extra mile! Our service tech (Luis)

For more than 40 years, our experienced staff takes great pride in their diagnostic expertise. We take personal responsibility in providing you with the solutions needed to solve your plumbing, heating, air conditioning, and electrical problems. When it comes to emergency service, repair, replacement, maintenance, or new construction, don't settle for less! Servicing Elburn, Geneva, St. Charles, Batavia,

  • Vince showed up right on time and conducted himself in a very professional manner! He

Residential / commercial service, repair and replacement of HVAC equipment.

  • I’ve been with Convenient since 2014. They have always been responsive with quality

We are ready to serve your service and installation needs. We offer you a service experience that is hassle free and our pricing is fair and up front. We are quick and easy to do business with. We are a full service Plumbing, Heating and cooling contractor TDH is A+ rated BBB and we are licensed and insured. TDH does furnace and air conditioning installation, ductwork, duct cleaning also. TDH does

  • TDH Mechanical sent an experienced team to install our new central air system. Did a professional

Dr. Energy Saver (N.E. Illinois) repairs, upgrades, and installations throughout our Illinois service area to help make the homeowner's homes more energy efficient, comfortable and help them save money on their energy bills. Services provided include home energy audits, insulation upgrades, window & door replacements, heating & cooling services, crawl space solutions and renewable energy solutions.


Pro Comfort HVAC, Inc is a family owned and operated heating and cooling company with over 11 years of experience. Located in Aurora,IL and serving the Fox Valley area, Pro Comfort provides 24 hour emergency service on all brands of heating and cooling equipment as well as new equipment sales and installation. When you select Pro Comfort, you can expect quality and professionalism at a fair, affordable

  • I had a furnace installed in my home about 1 year ago and I am extremely pleased. ProComfort

Gremillion Mechanical heating and air conditioning is Chicago' s premier heating and air conditioning repair company. We offer expert heating and air conditioning service, sales, and installation. As a Chicago air conditioning contractor for more than 15 years we know the proper way to solve any trouble the hot Chicago summers can give us. On the other end we offer tech best service on furnace and


We are a full service HVAC service contractor providing expert furnace repair, boiler repair and air conditioning repairs and service all of Chicago, IL. Our team of heating and air conditioning repair technicians and installers have been serving the Chicago area for over 15 years providing affordable heating repair and expert installations.

  • Nice plumbing experts!