Available 24/7   •   We repair ALL makes and models   •   100% satisfaction guarantee   •   Certified techs   •   No extra charge for evenings or weekends   •   FREE Plumbing Inspections

Where the Customer is King!

In the HVAC industry, experience is very important! We have been proudly serving our customers for many years, and have helped them solve their HVAC issues. We offer residential and commercial heating and cooling services to our customers. Since we opened in 1968, we have been focused on offering the very best service at a price that is reasonable to our customers. We have even won multiple awards for our exceptional customer service.

While our business and range of services have expanded over the years, our dedication to our customers—and giving them the very best service—has not changed at all.

Award-Winning Service!

Heating and Air Conditioning in Oak Forest & Chicago, IL

We Service and Repair ALL Makes and Models

Air Conditioning

If your system unexpectedly breaks down, don’t worry! You can get fast, 24/7 emergency service on AC repair from King Heating, Cooling & Plumbing!
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Heating installation and repair in Chicago


We service all furnace makes and models. Customers love our low pricing, guarantees on each furnace repair in Oak Forest and surrounding areas, and more than 45 years of company experience.
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Walk in freezer


We have some of the most knowledgeable technicians for low temp work, as well as all of the newest tools and technology to make sure you get exactly what you want and need.
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Duct Cleaning in Chicago, IL

Duct Cleaning

King has a complete duct cleaning system with the latest tricks and equipment for the job, and it won’t cost you an arm-and-a-leg, either.
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HVAC Air Filters

Air Filtration

At King, we have convenient, economical, and proven methods of significantly improving your indoor air quality and create a healthier home.
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Water Heater Repairs and Installation

Water Heaters

If your water heater is either broken or old and inefficient, contact King Heating, Cooling & Plumbing for a consultation!
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HomeAdvisor Elite Pro - King Heating Cooling and Plumbing

Quality service from an experienced company you can trust!

We Service and Repair ALL Makes and Models


We Employ NATE Certified Technicians
Our NATE (North American Technician Excellence) – certified technicians are true professionals and are distinguished within the HVAC industry. Our team has passed specific certification tests that assess our level of knowledge in the field.

  • When hiring our certified technician, you know you’re getting the very best.
  • NATE certifications helps our customers recognize the most knowledgeable technicians in the HVAC industry.
  • Our NATE-certified technicians have the ability and know-how to provide the very best service.

or call (708) 687-6898

New Location!

We have a second location at 101 Ontario Street Frankfort, IL 60423. Come visit us today!

Factory-Authorized Dealer

What it means to be a Carrier Expert.

In order to become and maintain the status of being a Carrier Expert, there are standards we must adhere to. We must sustain the highest level of professionalism within our company and among all of our employees. Carrier Experts are regularly evaluated and trained to meet the standards set for Factory-Authorized Dealers. What this means is that we do the work that’s needed to make our company strong and worthy of our customer’s trust.
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Carrier HVAC Dealer

Recent Blog Posts

Stay up-to-date on what’s new at King Heating, Cooling & Plumbing and get tips, hints, how-to guides, and more.

Visit the blog →

We install and service boiler heating systems

When most people think of “heating,” they think of furnaces.…

4 benefits of upgrading to a ductless HVAC system

While most standard air conditioners and furnaces rely on air…

What is the typical lifespan of an air conditioner in your home?

If you’re a homeowner and you have had to purchase a new AC…
HomeAdvisor Elite Pro - King Heating Cooling and Plumbing

Safe, Honest & Reliable

For peace of mind, our company has been screened and approved by HomeAdvisor.
Click here learn more and see what it take to get approved.