Skip to content

Call us for 24/7 heating repair in Gary.

King Heating, Cooling & Plumbing provides HVAC and plumbing services throughout the Chicago and Northern Indiana areas.

HVAC Service, AC & Furnace Repair in Gary, IN

The best team for local service

Since 1968, King has provided Gary homeowners with the very best in heating and cooling services.

Our summers on the lake can be humid. Our winters are downright frigid. Through it all, the team here at King is here to help. We’re your go-to team for HVAC repair in Gary and all of Northwest Indiana. If your air conditioner or furnace has stopped working, just give us a call. We’ll send one of our friendly techs out your way to fix it.
Our team is also here to help with your HVAC maintenance and installation needs. Just call us or contact us online and let us know how we can help.

King Heating, Cooling & Plumbing is repairing a customer's HVAC and plumbing.

Don’t settle for anything less than the best.

Proudly serving Northwest Indiana

  • We have 24/7 emergency service available.
  • No added charge for nights, weekends, or holidays.
  • Our certified techs are experienced experts.

$50 Off Any HVAC Repair Service

Limited time only!

Hire us to repair your air conditioner or furnace and you will save $50.

$99 AC Tune-Up and Safety Check

Limited time only!

Originally $129.95. Schedule A 40 point AC Tune-Up for only $99!

Up to $300 Off Complete HVAC System Installation

Expires: 2/29/2024

Maximize your comfort and your savings by purchasing a qualifying HVAC system with us and you could save up to $300 off.

We’re a full-service HVAC team

Your local HVAC company in Gary, Indiana.

With a new Carrier gas furnace just like this one, your home will be set for a warm and comfortable winter ahead.

Furnace Repair

Has your furnace stopped working? Call us right away. We offer 24/7 furnace repair in Gary, Indiana and surrounding communities. We’ll dispatch a tech to your home to fix your heating system.

A Carrier air conditioner, recently repaired by a NATE-certified and experienced technician from the team at King.

AC Repair

King is your team for 24/7 Gary air conditioner repair. Our techs fix all makes and models. No matter what’s stopped your AC unit from working properly, we can fix it and cool your home back down.

As part of our 40-point heater maintenance service in Chicago, a King technician opens up a Carrier gas furnace.

New Furnace Installation

Need to replace your old furnace? We can help! Just call us right now to schedule a free in-home estimate. We’ll come out and meet with you to discuss what type of heater will best fit your home.

For furnace installation in Chicago, call your Carrier Factory-Authorized Dealer: King Heating, Cooling & Plumbing!

New AC Installation

Don’t go another summer without an air conditioner that protects you and your family from our hot, humid temps along the lake! Call your friends at King for air conditioning installation here in Gary.

As part of our thorough, 40-point AC tune-up in Chicago, our technician will check your air conditioner's refrigerant levels.

Seasonal Tune-Ups

Let’s get your air conditioner or furnace ready for the season ahead. At King, we specialize in preventative maintenance. In fact, our tune-ups can reduce your risk of a breakdown. Schedule yours now!

Local homeowners love working with King!

Providing great service since 1968

At King, we’ve built our reputation on great service. For us, that means being there when homeowners need us most. It means providing friendly, neighborly service. It means standing by our work and our craftsmanship.

So, whether you need electric furnace repair or a new air conditioner installed, we’re the team to call. To learn more about our team and what has made us Gary’s trusted HVAC services company, click the button below.

We look forward to earning your business!

King Heating, Cooling & Plumbing provides HVAC and plumbing services throughout the Chicago and Northern Indiana areas.

“Talked to Brandon about my furnaces and air conditioners on Wednesday. Gave the approval Friday and the equipment was installed Monday. Thanks, King!”

“I have to say it was a pleasure working with King. I would highly recommend them and will definitely use them in the future.”

We repair all makes and models.

A team you can trust.

Get great service from us

Our 100% satisfaction guarantee

All of our services—from the smallest AC repair to new furnace installation in your home—come backed by our 100% satisfaction guarantee. We take pride in our team’s work, and we’re willing to stand by it. If we’ve failed to meet your expectations, please let us know. We’ll talk it through with you and find out how we can put things right.

No added charge for nights, weekends, or holidays

When it’s 2:30 a.m. on a freezing January night and your furnace stops working, you can’t just wait around for service. We get it, and it’s why we offer 24/7 service throughout Gary and Northwest Indiana at no extra charge. When you need us, call us: it’s really as simple as that!

Here’s how we do things at King

We believe in straightforward service.


Call us right away.

Need fast air conditioning repair here in Gary, IN? We’re on it. Just give us a call, and we’ll let you know how soon we can get a technician out to your home.


We’ll inspect your system.

We’ll need to start by diagnosing the problem with your HVAC system. Once our tech has identified what has caused the breakdown, they’ll provide you with an upfront estimate for repairs.


We’ll get to work.

If you approve of our quote, we’ll get to work. We have the tools needed to complete most cooling and heating repairs, right then-and-there. We’ll test your system to ensure it’s working properly.

We answer your service questions.

Here’s what you need to know

Do you repair all HVAC systems?

Do you offer commercial services?