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

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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

“fun to soar with the eagles......”
As always Northside has been efficient trustworthy on time easy to work with and courteous. Almost sounds like a boy scout.... LOL these guys are the best and Chris continued with the reputation and service that over the years I have come to appreciate and expect. Thanks Chris

- Mary
“Very Thorough”
I highly recommend Northside Air Conditioning. Chuck Parker promptly reviewed our broken system and gave us several upgrade options. Within two days they were here to update our entire system, inside and out including the furnace. The techs, Spencer Murray and Jamar Johnson, were very professional. They were hard working despite the weather being in the high 90's. They took the time to vacuum any debris that had fallen on the floor. They also inspected every vent in the house and found one vent had a quarter size piece of insulation and promptly removed it. We were very pleased with the service provided by all employees at Northside Air Conditioning.

- Laurie
“Highly recommend Tim and Northside.”
They were on time, affordable efficient and great customer service by Tim. Thank you for taking care of us.

- mBrace Orthodontics
“He was extremely kind and professional, and we couldn't have been happier with the experience!”
I called Northside this morning and they had a tech out to my home this evening! Al came to our home and took a lot of time explaining everything in detail, with pictures, in a way that I could understand it without a background in HVAC.

- Casey F.
“Quick and knowledgeable”
Louis arrived right on time then identified and fixed the problem very quickly! I was thrilled not to have wait around all day for my service. He was very knowledgeable and thorough, and I appreciated that he took the time to explain what was wrong and how he fixed it.

- Kaitlin
“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
“Excellent Customer Service”
Tim was very professional and great personality!!

- Melisha F.
“Professional and Courteous”
Thank you Northside for a job well done. We replaced our upstairs unit and everyone was very professional and courteous. They cleaned up everything and it was a very pleasant experience. Chuck was accommodating to our schedule and the crew was very efficient. I highly recommend Northside!

- Allison

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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!