Voted Best in Central Texas 2011 – 2018!


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(254) 526-5410 and one of our technicians will be happy to assist you

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Cool Club

Voted Best in Central Texas 2011 – 2018!

Who Are We

Ellis Air Systems, Inc. located in Killeen, Texas, is an old fashioned, family owned, and operated HVAC company whose number one priority is YOU.

What Do We Offer

Ellis Air Systems offers a comprehensive range of make, model or type of system for your homes climate and comfort needs, such as air conditioning repair, heating and ventilation.

Where Do We Serve

Ellis Air Systems currently serves the Killeen, Texas and Bell, Coryell, Gatesville, and Williamson Counties. If you live in Killeen, Harker Heights, Copperas Cove, Kempner, Topsey, Lampasas, Gatesville, Fort Hood, Nolanville, Temple, Belton, Salado, Florence, Andice, Ding Dong, Maxdale, Youngsport, Jarrell, or Morgans Point, you can always count on Ellis Air Systems

Residential Heating & Cooling

Available 24/7 for all of your heating, ventilation, air conditioning needs & air conditioning repair, our HVAC technicians provide smart solutions for our Residential Clients

Large Scale Commercial

Available 24/7 for all of your heating, ventilation & air conditioning needs, our HVAC technicians provide smart solutions for our Commercial Clients

Cool Club Service Agreement

Your HVAC system runs more hours than your car, and—just like a car—regular maintenance is essential to keep your system operating and peak efficiency.


Our customers can pay invoices online or from their mobile devices, quickly and securely.


Ellis Air is happy to offer our clients financing through our two trusted financial providers Greensky and Springleaf. Give us a call for more information on financing.


Is your unit no longer running at its peak performance? Are you frequently paying for repairs to your heating and A/C equipment? It may be time to consider replacement…


Checkout our FAQ’s to help keep your system operating and peak efficiency.


New Location in the Temple Community

Ellis Air Announces New Location in the Temple Community. Mason Ellis, Fred Ellis and Preston Ellis at the ribbon cutting ceremony. For more information on the Temple location call (254) 598-2074 Located at: 6102 W Adams Ave #C Temple, TX 76502


Ellis Air Systems has just been awarded the Prestigious: NATE CERTIFICATION NATE stands for North American Technician Excellence As one of the top HVAC contractors in Texas, Ellis Air Systems employs only the best NATE certified technicians. When one of our AC Technicians arrives at your home or business, you can be confident they’re among the best in the business.

Top 40 Under 40

The NEWS Recognizes the Top 40 Under 40 Highlighting the best young HVAC professionals Recently named to the Top Forty under 40 – Mason Ellis