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

“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
“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
“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
“Josh did an amazing job!”
Very professional and easy to work with!

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

- Larry&Judy Ford
“Price was Fair”
“An excellent job!”

- Tara T.
“Exceeded All Expectations”
Our spring AC service call by Northside this week was the first time we have done business with them, and it exceeded all expectations. Although it was a routine maintenance visit, not an emergency, we were able to schedule the visit for the next day. The technician, Chris, called to let us know he was on his way and what his ETA would be: a few minutes ahead of schedule in this case. Chris was very professional and listened patiently to my comments about our AC systems and answered my questions. I explained to him that the company who had been doing our maintenance, the company that also had originally installed both AC systems, had been keeping the full court press on us to completely replace both systems, as they were leaking Freon from the evaporator coils and were on their last legs. They had been charging us for adding Freon for the last couple of years. At the conclusion of his visit, I asked Chris how much Freon he had to add and whether there was any more life left in our systems. He told me that neither system needed any Freon and both systems were in excellent working condition. I think this kind of integrity is all too rare. It will keep us coming back to Northside for our future AC and heating needs.

- Bob
“Great Company and Great People”
A great company and a great group of people that always provide professional and thorough service. Jonathan, our service technician, did a wonderful job taking care of the annual maintenance on the system. I recommend them to all my friends and family.

- Suzie

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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!