
HVAC Service in Lewisville, TX
Dependable Indoor Air Quality, Heating & AC Repair & Installation in Frisco, Little Elm & Flower Mound
Northside Air Conditioning has been a trusted name for HVAC services in Lewisville since 2004. Our full-service company handles the heating, cooling, and indoor air quality of your home, business, or commercial property to keep you comfortable.
We have relationships with many major manufacturers and have the experience to work on any make or model, but we most often recommend American Standard for the brand’s exceptional performance and reliability. All of our work comes backed by warranty—1 year parts and labor on repairs, 5-10 years parts and labor on new equipment, and a lifetime workmanship warranty on new installations—so you can rest easy. We offer free estimates on new equipment, as well as free second opinions on repairs.
For Reliable AC Installation and Heating Repair, Contact Northside Air Conditioning}} at (972) 996-6511 for Top Quality Service in Lewisville.


Our Services
Your Comfort Is Our Highest Priority!
- Heating
- Indoor Air Quality
- Air Conditioning
- Residential HVAC
- Commercial HVAC
- Heater Maintenance
- HVAC Services
- AC Maintenance
- Heater Installation & Replacement
- Air Conditioning Repairs
- Heat Pumps
- Heaters
- Furnaces
- ERV
- UV Lights
- 24/7 Emergency Services
- Air Conditioning Installations
- Humidifiers
- Air Filtration
Skilled Service Technicians You Can Trust
We take pride in our talented employees and truly enjoy watching them learn and grow. Our technicians attend regular certification training and education and have gained extensive knowledge in specialized areas such as ductless systems, variable speed systems, and geothermal systems. We treat our employees well and expect them to treat our customers well, too. You won’t get any scare tactics, pushy sales pitches, or commissioned upsells from our team. We want to provide you with Lewisville HVAC services that actually solve the problem, not just temporarily mask the symptoms, but we will make sure you know your options and always have the final say. We hold two contractor licenses from the Texas Department of Licensing and Regulations, and all of our technicians are registered there, as well. We are bonded and insured for well above the state minimums because you can’t put a price on peace of mind.


Reviews and Testimonials
See What Our Customers Are Saying
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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.
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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
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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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He even helped fix a decoration within the classroom that I couldn't reach. He was super friendly and even answered some students questions as he worked.- Carlos H.
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I have had Northside Air Conditioning maintain my systems for almost three years and have been very happy with their outstanding service. Michael, the service technician, is always on time, thorough, and very professional. He is the best!- Donise
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Kameron was great and very helpful. Professional service.- Bryan B.
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I have used Northside for over 7 years they are reliable and dependable.- Kathy
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Our home central air conditioning system died in he middle of July and we needed to get a replacement. We did a full due diligence search considering all the options available. Please allow me to save you similar time by telling you not to bother and just go to Northside Air. I will tell you that these guys will not be your cheapest option in town (they will be very fair though) but come on, you are talking about buying a system that will control your home environment, every day of every year. Do you really want to be cheap about this or do you want a really good system. These guys were great if I can understate their value. When I inquired they sent Chuck out. He did a full analysis of the home and then sat down and explained all the whys and whatfors. He never pushed us to buy any extra whistles or bells, just laid out our options. When the guys came out to install, they just did an awesome job. From start to finish, their work was clear, accurate and spot on. What a pleasure to work with these guys. Five seconds after they left, you could never tell they were here working, thats how clean they were and how professional their installation was. Great company, great people, great work, great product. These people are the real deal.- Satisfied Customer
