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Trusted HVAC Services in Red Oak, TX

50 Years of Excellence in Comfort & Reliability

Since 1975, Ellis Air Conditioning & Heating has been the go-to provider of professional HVAC services in Red Oak, Texas. With nearly five decades of experience serving the Dallas-Fort Worth metroplex, we specialize in high-quality heating, ventilation, and air conditioning solutions that address the unique climate needs of the region. From blazing Texas summers to unpredictable winter freezes, our certified HVAC experts ensure your home or business remains comfortable year-round.

Whether you need emergency HVAC repairs, routine maintenance, or a brand-new heating and cooling system installation, Ellis AC is committed to delivering fast, reliable, and energy-efficient service in Red Oak and beyond.

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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 for Red Oak Homes & Businesses

Red Oak’s hot, humid summers and chilly winters demand robust and efficient HVAC systems. That’s why Ellis AC offers a full suite of residential and commercial HVAC services customized for local conditions: 

Residential HVAC Services

Keep your home cool in the summer and warm in the winter with our expert residential solutions:

Commercial HVAC Services

Our commercial HVAC services help Red Oak businesses maintain productivity and comfort:

Why Choose Ellis AC in Red Oak?

Local HVAC Expertise

We’ve served Red Oak and surrounding Ellis County communities for nearly 50 years. Our deep knowledge of the local climate and common HVAC challenges means we tailor our services for maximum performance and efficiency.

Certified, Skilled Technicians

All of our technicians are fully certified, trained in the latest HVAC technologies, and committed to providing top-tier service. We handle every job—from minor repairs to full system overhauls—with professionalism and precision.

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Customer-First Approach

At Ellis AC, your comfort is our priority. We focus on clear communication, personalized service, and dependable results, ensuring you feel confident every step of the way.

Contact Ellis Air Conditioning & Heating in Red Oak, TX

Looking for trusted HVAC contractors in Red Oak? Turn to Ellis Air Conditioning & Heating for dependable, long-lasting heating and cooling solutions. Whether it’s time for an upgrade, a seasonal tune-up, or urgent repairs, our experienced team is here to help.

Call us today or schedule an appointment online to experience the Ellis AC difference. Let us help you maintain a more comfortable, energy-efficient home or business—no matter what the Texas weather brings.

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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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