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 every 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

“A Hidden Jewel”
This is the best company in the DFW area. They are a hidden jewel. The staff is professional, honest and not on commission to sell you things you don't need. Other companies should follow their business plan.

- Lois
“Al was amazing!!”
He was very nice and professional, he took pictures to show us what was wrong with our AC and thoroughly explained everything. Make sure to ask for Al! He was very nice and helpful!

- Breanna R.
“Wonderful Technicians”
We're Northside customers for 2 years now and I am very happy for the services they make. The only company who washes the coils every time someone comes in. And will give you an honest result whenever they find something wrong with the unit. Especially I still have an old unit from the previous company, they are trying to make that unit working good at all times. Today, Chris did my maintenance and tuned my my 2 units and I'd say he's a wonderful Aircon tech.

- Ocgnail
“Looking forward to future services.”
Jeremy, Kameron, and Joshua have awesome costumer service! They arrived on time and got straight to work!

- Samantha R.
“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
“Quick Repsonse and Turnaraound to keep my house cool!”
Our home A/C froze up after 19 years of service, we called Northside, they responded quickly to come out to provide us with estimate for a replacement system. Matt came out and took measurements all over the house before calculating the right size system for the house. We had several other companies provide estimates over the years, and none provided a quantitative analysis. Because of Matt's thoroughness and transparency with everything he was doing we went with Northside to replace our system. Matt, also followed the job until the installation was complete which was above and beyond my expectations. He was able to communicate directly with installation lead our particular needs, giving use the confidence that the job was completed correctly. We will highly recommend Northside to our friends and neighbors for any HVAC needs.

- Craig
“Tim and Josh were great! They did an amazing job.”
Took their time and went over every detail. Very satisfied with their hard work, hope to see them back again.

- Melissa A.
“Excellent Service Once Again From Tony G.”
Tony G. was out at my house today doing my 6 month maintenance service. As always he did a great job. Tony is so detailed and misses nothing. I will be asking for him exclusive for my upcoming maintenance service. Thanks for the great service and you need to take good care of Tony. He is a keeper . . .

- David Lewis

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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!