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24/7 service here in Lockport.

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King Heating, Cooling & Plumbing provides HVAC and plumbing services throughout the Chicago and Northern Indiana areas.
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Call on our local HVAC expertise

HVAC Services in Lockport, IL

Call King with all your home’s cooling and heating needs.

When your home needs HVAC repair here in Lockport, you don’t want to call just anyone. You need an experienced technician from a locally trusted team—and you need them at your home ASAP. King checks all the boxes. With our 24/7 service and amazing techs, we’re ready to help you out.

For all things cooling and heating—including repairs, maintenance, new installs, and more!—give us a call. Or, fill out the form to schedule service with us online.
King Heating, Cooling & Plumbing is repairing a customer's HVAC and plumbing.

We can help you and your home

Why work with King?

  • Call us for 24/7 AC and heating repair.
  • No extra charge for nights, weekends, or holidays.
  • Trust in our friendly, helpful team of HVAC techs.

$50 Off

Any HVAC Repair Service


Coupon must be presented at the time of service. Cannot be combined with any other offers or coupons. Offer only valid on repairs greater than $200.

Limited time only!


New Furnace Installation


Valid with qualifying systems. Coupon must be presented at the time of service. Cannot be combined with any other offers or coupons. Some restrictions apply.

Limited time only!

Originally $129.95


Tune-Up and Safety Check


Coupon must be presented at the time of service. Cannot be combined with any other offers or coupons.

Limited time only!

Here for all your HVAC needs

We’re your local heating and cooling experts.

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

Furnace Repair

When your furnace goes down, trust King to quickly get it back up-and-running again. We’re known throughout Chicagoland for our 24/7 heating repair work. Our fast, friendly team can be there quickly.

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

AC Repair

Having AC trouble? We’ve got you covered. Call us for 24/7 air conditioning repair in Lockport, Illinois. We’ll send one of our friendly techs out to your home to inspect your system and fix it.

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

New Furnace Installation

Get your home ready for colder weather with a new furnace, professionally installed by King. We’re your local team for gas and electric furnace installation. Call us to set up a free in-home estimate.

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

New AC Installation

Time to replace your AC unit? Give us a call for a free in-home estimate. At King, our team specializes in air conditioning installation. We’ll find the right air conditioner for your home.

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

Have the team at King get your HVAC systems ready for what’s ahead. Call us to schedule seasonal maintenance for your air conditioner and furnace. Our thorough tune-ups help prevent breakdowns.

Just give us a call!

Your HVAC company in Lockport, Illinois.

Since 1968, the HVAC experts here at King have been helping local homeowners resolve their heating and cooling problems.

We’re known around town for our fast, 24/7 service; our 100% satisfaction guarantee; and our friendly, knowledgeable techs. From gas furnace repair and installation to spring AC maintenance, our team can help you and your home with any and all things HVAC.

If you’re having cooling or heating problems, just call us. We’re famous for our 24/7 service. We don’t charge homeowners any extra fees for nights, weekends, or holidays. It’s just Lockport air conditioner repair and heating repair done right.

Need an expert? Fill out the form to schedule service with us online. Or, give us a call and let us know how we can help you out.
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 and tune-up all makes and models.

You and your home deserve the best

Get the Royal Treatment from King.

As a member, you’ll get annual heating and cooling tune-ups, along with awesome perks like priority service and discounts!

With our Royal Treatment Plan, keeping up with your HVAC maintenance has never been easier! Your membership includes annual cooling and heating tune-ups. We call you to schedule your fall and spring maintenance.

That’s not all. As our way of thanking you for your business, we also provide members with awesome perks, such as priority service and a member-exclusive discount. This helps you save even more time and money!

Ready to join the club and work with a trusted HVAC company here in Lockport, Illinois? To learn more about all the perks that come with membership, click the link below. Or, give us a call to learn how you can join today.

Our straightforward approach

Getting 24/7 repairs has never been easier.


Give us a call.

Need furnace repair here in Lockport, Illinois? Call our team for 24/7 service. Over the phone, we’ll let you know the soonest we can send one of our friendly, certified techs out to your home.


We’ll inspect your system.

When our tech arrives to help you with your gas or electric furnace repair, they’ll start by inspecting the system and diagnosing the problem. When they have an answer, they’ll meet back with you.


We’ll make the repairs.

Once you’ve approved our upfront estimate, our tech will get down to business. Their goal? To get your furnace running again, as fast as possible, while also ensuring the repair is done right.