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

“Great Service”
Got a courtesy call letting me know Andy was on his way. Very careful in keeping my home clean. Explained exactly what was needed to repair my HVAC unit. Worked hard to get me up and running. I felt it was a fair price for a job well done. Northside is my go to HVAC company.

- John
“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
“Service”
Excellent Job that Manny did for us. Very professional, polite, and will knowledgeable.

- Larry&Judy Ford
“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
“I am super happy with Northside and Kameron, and will not hesitate to call them again when I need HVAC service!”
Kameron called me ahead of my appointment to discuss my issue and set an expectation for when he would arrive. He was right on time. Before he started any work, we talked about the services that would likely be required and what they cost. We also talked about what I was trying to accomplish with this service call. The call resulted in my unit once again operating normally for a price that I considered to be a great value!

- Dan U.
“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
“Awesome!”
Want to say thanks so much for a job well done! I’ve used Northside now for a couple years and Your service is impeccable. Anytime I’ve had emergency issues arise I’ve always had an almost immediate call back. Chris (svc tech) has been taking care of us for a little while now and he’s been nothing short of great. He’s professional, courteous, and knows his trade very well. He demonstrates a very real concern for correctly identifying the problems and addressing them correctly. As long as I live in the Denton county area, Northside will always be my HVAC service provider. I promise you won’t find a better group of folks around. Thanks again guys/gals!

- Kris
“A Part Of The Team”
We've been using Northside for years. They do great work. Good, experienced, knowledgeable people. Have an annual service agreement where they check all equipment in spring and fall and give a discount on parts. Very satisfied customer.

- Tom

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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!