Why Doornbos Heating & Air Conditioning? | HVAC Service and Repair | IL

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M-F: 7:30 am - 5:00 pm

24-Hour Emergency Service Available

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24-Hour Emergency Service



Home of 100% NATE Certified Technicians*

We have the most capable work force in the industry. You are guaranteed to work with a knowledgeable and experienced NATE certified technician.

* any new employee is either NATE Certified or has passed a pre-qualification exam awaiting NATE Testing

American Made Products

Quality Installations with the Best Warranties

24 Hour Emergency Service

Always Speak Live to a Member of our Experienced Staff

88 Year History of Exceptional Service

10 Things to Expect with Doornbos

  1. We’ll go over the details of the actual installation with you in person before we start the work.
  2. We keep our vehicles in top shape. You won’t be hearing a loud muffler or finding an oil leak on your driveway.
  3. We’ll cover the floors and interior areas of your home/business. We take great care not to disturb the furniture or track debris.
  4. We have complete liability and comprehensive insurance coverage.
  5. Our professional licenses, including electrical, will be current and the technicians who work in your home/business will be fully bonded.
  6. We have a no-tobacco, drug and alcohol-free policy in our company.
  7. We’ll be planning your job carefully to ensure that your water, heat and electricity will be off for the shortest possible time, or not off at all.
  8. Don’t be concerned about our people using your telephone. All of our trucks are GPS and cell phone equipped.
  9. We will not use foul language in your home/business. When we’re done working we’ll clean up thoroughly and to your satisfaction.
  10. All in all, we’re going to treat you with the respect you deserve while we’re working in your home/business.

Need HVAC Service?

Contact the experts at Doornbos Heating and Air Conditioning.

Call us at 708-423-9580!

Request Service

Doornbos Heating and Air Conditioning proudly provides HVAC service to Frankfort, Homer Glen, Mokena, Mount Greenwood, New Lenox, Oak Lawn, Orland Park, Palos Heights, Tinley Park, and the surrounding communities. Visit our service area page for more coverage details, call us at 708-423-9580, or request service online today.