
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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Jeremy was very professional and completed the maintenance service on our system in a timely manner.- Lucious S.
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Great job two years now! Very good at explaining the mechanics of how everything works.- Nancy
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We have been Northside customers for over 10 years. We would never call anyone else. We constantly refer this company to others. John D. is as good as they come! He is always professional, thorough, punctual, and informs me of what is going on with our systems & what we can expect from them for the upcoming season. Additionally, he recently offered to get warranty information for some of the equipment in our new home. He called me back with the info within a day as he promised. This level of service is amazing! Customers for life!- Marcey
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Took their time and went over every detail. Very satisfied with their hard work, hope to see them back again.- Melissa A.
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We contracted with Northside Air to relocate 3 units at our home in Flower Mound. The 3 man crew took nearly 8 hours - so glad it was overcast for them. The finished job is so much better than the original install. We could not be happier. They did a great job cleaning up too. I don't have to worry about bits of metal or screws getting into my dogs paws. Thank You Northside. We are really pleased with the completed job. Thanks to the crew for being great while here!- Lisa
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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
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Josh did an great job looking at the system and spending time both explaining and re-explaining to me. He went above and beyond by looking throughout the attic at our system.- David C.
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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
