
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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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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Jeremy, Kameron, and Joshua have awesome costumer service! They arrived on time and got straight to work!- Samantha R.
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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.
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Frank and Jose did an amazing job on our new AC installment. They were super informative with all that would be done and got it all done in a timely manner. Thanks for helping us be prepared for those hot summer months ahead Guys!- Melissa A.
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Thoroughly explained everything about our systems and was very easy to work with!- Mary R.
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Great organization, prompt and professional. Luis is a great tech, very knowledgeable and extremely personable.- Kristopher
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He gave details regarding the issue as well and answered all our questions.- Deserei S.
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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
