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Expert HVAC Services in Ovilla, TX

50 Years of Excellence in Comfort & Reliability

For over 50 years, Ellis Air Conditioning & Heating has been the trusted provider of professional HVAC services in Ovilla, Texas. Known for delivering energy-efficient, high-quality heating and cooling solutions, we specialize in meeting the unique climate challenges faced by homeowners and businesses in the area. Whether you’re dealing with a failing AC in the peak of summer or need reliable heating in the winter, our certified technicians ensure year-round comfort.

Serving the Comfort Needs of Ovilla, TX

Located just south of Dallas, Ovilla experiences diverse seasonal weather—from intense summer heat to cold winter fronts. Ellis AC is proud to offer comprehensive HVAC solutions tailored to these extremes, helping homes and commercial properties stay safe and comfortable.

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chris shirey
We had Ellis A/C upgrade our system in our machine shop. We struggled keeping the shop comfortable in the TX heat. Aaron and Mike came out to look at our facility and put a plan in place. They upgraded one of our existing units and added a new unit to the rear of the building. The results were night and day this summer. No issues with creating a comfortable work environment. I’d recommend Ellis A/C to anyone.
Rita DeYoung
Ellis AC and Heating installed a 3-Ton Carrier Condenser last year and a heater this past fall. Jerry was very willing to work with me on pricing. Installation went very smoothly. All techs have been knowledgeable and great to work with. I definitely recommend Ellis.
Rick Worsham
Ellis Air Conditioning and Heating installed a complete new system at my home yesterday and we could not be more pleased. They were very clean and installed the new system in a very timely manner. I strongly recommend them to anyone looking for a class organization for all of their HVAC needs.
Clinton Holy
Great service! Fast and affordable, Larry did a great job getting my house cooled down quickly! I was worried because my 2 yo son was getting hot in his room during his nap but they got Larry out here within 2 hrs of me calling and he fixed the problem immediately. Will aways stay with Ellis Air, always have a great experience with them and their technicians!
Andre Jones
My A/C went out on a Friday and called Ellis immediately. They were able to get me a new unit installed Monday morning. That is insanely fast and much appreciated in this Texas heat. They also did an amazing job at the install and keeping the area clean, I would highly recommend!
M Mann
I experienced very professional and knowledgeable service from Larry at Ellis ac. From the start of my service call on a Sunday to the repair , he performed service of the highest quality. He made the entire process smooth and stress deee. It’s rare to find a service provider who prioritizes customer satisfaction, Larry delivered on every level. Thanks again!
Sierra Ruiz
Our A/C stopped working and after calling Ellis Air, they were able to send out a technician to evaluate the issue the next morning. They figured out what was going on right away and said we could have the issue resolved the following day. We thought about our options for too long and ended up scheduling the replacement of both our old outdoor unit and indoor unit due to the age of the equipment and them being outdated for what we would pay for and have a warranty with new equipment. It was worth it and we'll be covered if anything wears out while we own our home for the next 10 years. Thank you for taking such good care of us and for all the prompt replies and follow up!! We love our new system and are always happy to recommend the great people at Ellis.
Carol Torrence
I have used Ellis AC for 20+ years. I just got a new HVAC system from them in 2024 and I am so pleased. Justin has always been my person who checks my system out and I always ask for him. great company and treat folks good.
Mike Play List
Mike & AndreaMy family with Ellis A/C & Heating awesome. The technician came diagnosed the issue and quote me a price to fix the coil leak. Then we ask about the replacement of the unit in the attic & outside. Then Ellis quoted me a price to replace the entire system in attic and the unit outside. And a schedule to come install. The Ellis team showed up and quickly replaced the system. The team were friendly and respectful. Then team cleaned up and done. I would recommend Ellis Team!
Sheryl Beran
We have had Ellis maintaining our homes HVAC for a few years now and have always had great service. Today William T was our service tech and was very polite and professional. Thank you for keeping us warm/cool.

Full-Service HVAC Solutions in Ovilla

We proudly provide a wide range of residential and commercial HVAC services throughout Ovilla and the greater Ellis County area. 

 Emergency AC Repair Services

When your system fails during a heatwave or cold snap, our emergency response team is just a call away. We offer fast, reliable HVAC repairs to restore your comfort without delay.

 Residential HVAC Services

From HVAC installations to seasonal maintenance and repairs, we offer comprehensive residential heating and cooling services designed to keep your home efficient and comfortable.

 Residential HVAC Maintenance Plans

Keep your system running like new with our scheduled maintenance services. These plans help extend the lifespan of your unit, lower energy bills, and prevent costly breakdowns.

 Residential System Installations

Upgrading your system or building a new home? We design and install custom HVAC systems that balance comfort, performance, and efficiency.

Commercial HVAC Services for Ovilla Businesses


We understand that commercial properties have unique HVAC demands. Our expert team provides a full suite of services tailored to business environments:

Commercial HVAC Installations
Scalable and energy-efficient systems designed for retail, office, industrial, and institutional buildings.

Commercial HVAC Repair & Service
Fast response times to minimize downtime and keep your business running smoothly.

Preventive Commercial Maintenance
Regular maintenance that reduces operational costs and improves system reliability.

Commercial AC Repair Services
Expert diagnostics and repairs tailored specifically to large commercial cooling systems.

Why Lake Highland Residents and Businesses Choose Ellis AC

Proven Local Expertise

With decades of experience serving the greater Dallas area, we understand the unique heating and cooling challenges of the North Texas climate.

Certified, Experienced Technicians

Our skilled technicians are trained to handle everything from routine tune-ups to complex system replacements using the latest HVAC technologies.

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Energy-Efficient Solutions

As a Carrier Factory Authorized Dealer, we provide high-performance systems designed to lower energy bills and boost comfort.

24/7 Emergency Services

When HVAC issues arise unexpectedly, our emergency HVAC repair team is available around the clock to restore comfort quickly.

Contact Ellis Air Conditioning and Heating

Looking for trusted residential or commercial HVAC services in Ovilla? Turn to Ellis Air Conditioning & Heating for expert repairs, installations, and maintenance tailored to your comfort needs.

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Whether you need maintenance, repair, replacement, construction, financing or service, we want to be your air conditioning, heating & cooling service provider in Dallas County, Cedar Hill, Desoto, Duncanville, Grand Prairie, Highland Park, University Park, Irving, Lancaster, Ennis, Glenn Heights, Midlothian, Red Oak, Waxahachie, Mansfield, Ovilla, Arlington, Ellis County and surrounding areas. 

Texas License: #TACLB002064

  • Ellis County: 536 N. Highway 67, Cedar Hill, TX 75104
  • Dallas County: 1717 McKinney Ave, Suite 700, Dallas, TX 75202
  • (972) 291-9316
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