Air Conditioning Companies in Cook County, IL

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

Business Listings

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

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


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

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.


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

The heating or air conditioning system that you are considering is a main investment in your property. Too often, price is the only consideration. A more important consideration is the contractor.


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

Ted DeCarlo the owner of Assured Air, LTD. My grandfather and father both ran tiny businesses through the Chicagoland area. In 1987 I graduated from HVAC School and was speedily employed by a firm in the western suburbs which concentrated on commercial refrigeration.


What should you expect your HVAC service technician to do during PM visit? Check system functions, safety controls, and operating sequence. Inspect electrical components and connections and repair/replace or tighten as required. Ensure proper airflow and change dirty air filters. Clean and lubricate motors as required. Examine belts, adjust and align as required.


We want to make people feel comfortable. We supply smart, effective systems for heating, air conditioning, ventilation and refrigeration. Our job is to supply the best environment whether you're at home in your pajamas, at work in a meeting, or a client in one of the 100's of businesses we serve throughout the whole Chicagoland area.

  • It is truly a pleasure to write a review for Chicago Cooling. I have had a service agreement

John Baethke & Son Plumbing, Heating, and Cooling supplies fast, reliable, and guaranteed solution for all of your plumbing and HVAC requirements. In business, there are few yardsticks of client satisfaction more important than a firm's history of service to an area.


Hollub. was originally set up in 1928 as a hardware provide and central heating installation and service firm on the NW side of Chicago. At that time we were a heating contractor, specializing in commercial coal hand fired boiler and radiator systems. We split from the hardware provide division and were incorporated in 1959 as Hollub Heating.

  • I just had Hollub Heating put in a new furnace in my condo. My old, old, old, furnace

G & O Thermal Supply was incorporated in the state of Illinois in 1968. The prime responsibility of the firm is to provide heating, air conditioning, refrigeration, ventilation, electrical and industrial process controls and accessory products to approved accounts in the above related trades.


Universal Refrigeration Heating and Cooling. is a complete service Heating, Ventilation, Air Conditioning and Refrigeration firm, specializing in the installation, maintenance and service. We have been servicing home owners, general contractors, builders, and commercial property owners throughout Chicago area and suburbs since 1996.


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


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.

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

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

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!

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