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King Heating & Cooling King Heating, Cooling & Plumbing is an experienced residential and commercial service company serving Chicago and Northwest Indiana.
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4.7 5 Star Rating Based on 4,700+ Reviews

AC Repair Experts

Trusted by NW Indiana Homeowners Since 1968

We diagnose and repair all types of AC issues in Northwest Indiana, from units not cooling properly to complete system breakdowns.

  • Icon Image 24/7 Emergency Service
  • Icon Image Fast Response Times
  • Icon Image Up-Front Pricing
  • Icon Image 100% Satisfaction Guaranteed
  • Icon Image NATE Certified Technicians
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Serving Northwest Indiana Families Since 1968

Northwest Indiana’s Choice for AC Repair

Not all AC companies are created equal.

  • Icon Image Fast Response Times – Don’t wait in the heat — fast AC repair is a call away.
  • Icon Image Up-Front Pricing – Honest ac repair service quotes.
  • Icon Image 100% Satisfaction Guaranteed – Every repair backed by the King promise.
  • Icon Image NATE Certified Technicians – Professional ac unit repair specialists.
  • Icon Image Licensed, Bonded, Insured – Trusted AC repair across the Northwest Indiana area since 1968.
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Available 24/7. No extra fees.

Our AC Repair Process — Simple From Start to Finish

1

Call us for 24/7 service

If your air conditioner stops working or isn’t running like it should, call us for 24/7 service here in Northwest Indiana. We’ll send a tech out as we can to repair your air conditioner.

2

We’ll call when we’re on our way

As a courtesy, we’ll provide you with a heads-up phone call when we’re 10-15 minutes out. At King, our techs always travel in official service vehicles and wear an official King uniform.

3

We start by diagnosing the problem

Once our tech has greeted you at the door, they’ll take a closer look at the AC to determine what the issue is. With this diagnosis, our tech can provide you with an upfront estimate for the repair.

4

Our tech will give you an upfront estimate

Once we’ve diagnosed the problem with your AC unit, we’ll discuss it with you and review your options. As part of this, we’ll give you an upfront estimate.

5

We’ll make the repairs

With an approved quote, our technician will get to work repairing your air conditioner. Our techs have the tools and training needed to repair all AC makes and models. We also fix ductless systems.

6

We’ll get your home cooled down again

Before our tech leaves your home, we’ll run through a diagnostic checklist to ensure that your air conditioner is running right again and cooling down your home.

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King Heating, Coolong & Plumbing
Excellent
4.7
Based on 4122 reviews
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Taoufik Sami
3 hours ago
The technician was knowledgeable, courteous, and professional. We will ask for his services again.
Barbara Graham
1 hour ago
My technician was great 👍
Dan Griggs
1 hour ago
My service technician Ken was a pleasure to meet and also an experienced mechanic that diagnosed the issue and fixed my ac unit in good time with a good conversation. Thank you King and Ken.
Jamar Wilson
16 hours ago
John the technician was great. Thorough and patient with explaining the condition of our AC.
Brenda Garland
20 hours ago
The team at King Heating and Cooling are very professional and accommodating. Their technicians are knowledgeable and courteous. Their products and services are affordable. All in all they get an A Plus from me.
Dawn Spearmon
22 hours ago
Five stars! Excellent service
Brenda Jones
23 hours ago
Mr Ken J from King Heating and cooling came today 05/27/2026 to service my air conditioner and replace my Solar Air Filter.He check my solar air filter to aee if it needed to be charged He always does a excellent job. Very though. provided explanation and teaching when it comes to your furnace/air conditioner unit. He called to let me know when he was on his way to my house. I will request him for any additional services that are needed.
Nancy Lennie
1 day ago
Very polite and efficient. Very professional and answered all my questions.
Irene Juppe
1 day ago
Hello, my husband & I are King Heating/Air customers for many years. All of their technicians are polite, professional, & know what they are doing with heating & air maintenance & repairs.

Thank You,
IJ
Daune Housley
2 days ago
Devin was impeccably trustworthy and professional. He was extremely knowledgeable and thorough. He also had a very pleasant and positive attitude. The men who installed my A/C from Kings approximately two years ago had none of these excellent attributes. I am amazed at Devin's professional, knowledgable, and pleasant disposition, especially in light of the horrible experience I had with Kings installers a few of years ago.

We repair all makes and models.

$50 OFF Air Conditioning Repair

Expires: 6/30/2026

We believe in providing maximum value, and that’s why we’re offering you this significant savings opportunity. When you choose us for your air conditioning repairs, you’ll not only benefit from our exceptional service and expertise, but you’ll also save $50.
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Our Service Area

From Hammond to Crown Point — same-day service across NW Indiana

Ready to Get Your AC Fixed Today?

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AC Care That Cares

Supporting St. Jude with Every Service

At King Heating, Cooling & Plumbing, we’re proud to extend our support for St. Jude Children’s Research Hospital with every cooling service call. Each time you schedule an AC tune-up, repair, or installation, we contribute directly to the fight against childhood cancer.

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about our support for St. Jude