Keeping North Texas Comfortable!

We take pride in offering comprehensive heating, cooling, and air quality solutions for both residential and commercial properties.

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Committed to Excellence In All We Do

Fill out the form below or call us at 972-996-6511 today to get started. We're available whenever you need us!

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Lewisville HVAC Contractor

Superior Indoor Air Quality, Heating & AC Installation, Replacement & Repair in Frisco, Little Elm & Flower Mound

Have a broken heater or AC? Call Northside Air Conditioning for quick and efficient HVAC service in Lewisville, TX. We have immersed ourselves in ever facet of the industry, cultivating a comprehensive understanding that significantly enhances the value we bring to our customers. With collective experience spanning over a century and marking our 20th year in business, Northside Air Conditioning was established to address a distinctive gap in the market.

Some heating and cooling companies employ fear tactics or impulse selling methods to push customers into purchasing services they don’t need—we take a different approach. Our team of trusted Lewisville HVAC technicians is more focused on building and maintaining honest relationships.

When you need Lewisville or Denton HVAC services, give us a call for quick service today!

Check Out Our Maintenance Plan Join our Maintenance Advantage Program & receive comfortable benefits all year long!

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Reviews and Testimonials

See What Our Customers Are Saying

“Quick & Easy”
Jeremy was very professional and completed the maintenance service on our system in a timely manner.

- Lucious S.
“Josh did an amazing job!”
Very professional and easy to work with!

- Melanie W.
“Wonderful Service”
Wonderful service! Prompt scheduling and very courteous. Knowledgeable on the issues and explains to homeowner very well. Would definitely recommend!

- Christina
“We are SO thankful”
Kameron is fantastic! He always comes in, and is so attentive and kind. We are SO thankful for all he does for Orangetheory Fitness.

- Brooke
“Would recommend 10/10.”
Kameron was great and very helpful. Professional service.

- Bryan B.
“$405”
Mike, the technician, was very, very good. He diagnosed and determined the problem. He had to spend a long time doing that, and the weather was bitter cold!

- Stephen and Jane Noble
“Price was Fair”
“An excellent job!”

- Tara T.
“Nothing Short of Great”
We have been using Northside for almost 3 yrs now & they have been nothing short of great! We refer everyone we know to them. Local business with great service! Thank you Jerry for helping us out & always being there to address any issue concerning our AC work!

- Cody

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Why Are We the Right Team for the Job?

Financing Options Available
Financing Options Available. With Approved Credit. Ask For Details.
5-10 Year Parts & Labor Warranties on New Equipment
Over 20+ Years in Business
100+ Years of Combined Experience
24-Hour Emergency Repairs
Lifetime Warranty on All Installations

Denton HVAC Company Rated A+ by the Better Business Bureau

At Northside Air Conditioning, we take pride in establishing the standard for exceptional HVAC services in Denton. Whether you require heat pump repairs, air conditioning installations, or routine maintenance programs, our team is equipped to meet all your heating and cooling needs. As a distinguished Customer Care Dealer, we offer top-of-the-line equipment to ensure year-long comfort in your home. Looking for financing options? We've got you covered!

Proudly Servicing All Brands of Equipment!

Emergency Services Available

Lewisville and Denton HVAC Services Available All Hours of the Day

Our team of HVAC technicians in Lewisville is available 24 hours a day, 7 days a week for emergency repairs. It’s impossible to diagnose all HVAC issues on the surface, which is why we’ll look deep into the issues of your system when you call us for a free in-person consultation. We maintain consistent high levels of performance and promptly address our customers’ concerns, resulting in 100% satisfaction time and time again!