“Incredible service. I was treated very well with dignity and respect. If you want honest work for an honest price, call Ellis Air Systems.” Read more...

We’re super easy to talk to! Give us a call!

Voted Best in Central Texas 2011 – 2016!

“We sell service, not excuses” – Fred Ellis

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Residential Heating & Cooling

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

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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

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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.

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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. Ellis Air Systems has been serving residents and businesses since 1988. For nearly three decades, Ellis Air Systems has been “Keeping Central Texas Cool”.

Ellis Air Systems Homepage 4It all started with Fred Ellis, CEO and owner. He began his dream almost three decades ago with just one truck and one employee, himself.

Each department here at Ellis Air Systems is headed by a family member, so whichever service you require, you can rest assured that customer service is a priority.

We employ only the most knowledgeable, experienced, and friendly people to help keep Central Texas homes and businesses running efficiently and comfortably. Ellis Air Systems also provides same day service to our local

Property Management companies. As our owner and founder of Ellis Air Systems says “We sell service, not excuses.” – Fred Ellis. So, with Ellis Air Systems, you can always expect the best HVAC parts, HVAC systems, and HVAC technicians for your satisfaction.

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. We know exactly what will work for your home or office’s unique climate needs.

When it comes to HVAC services and products, Residential New Construction HVAC installs, Commercial HVAC installs, Home HVAC installs and change outs, Air duct cleaning, attic insulation, gas furnaces, heat pumps, air conditioners, as well as a wide range of air cleaner products, duct work, gas piping, thermostats, filtration systems, Zone control systems, dehumidifiers, Mini-split systems, high efficiency systems that meet today’s SEER requirements, Energy Star qualified systems, maintenance, and repair Ellis Air Systems has you covered.

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 to address and fix your Air Conditioning or Heating needs, regardless of the size or scope.

Our technicians are on 24/7 standby and will respond quickly and professionally to any emergency.

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


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.


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.

Celebrating Over 25 Years of Service in Central Texas

The Ellis family would like to say THANK YOU to all of our loyal customers and friends! We couldn’t have done it without you!

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*Active Duty and 20+ yr retired military only. To receive discount must mention this coupon at time of initial service call (to secretary). Sorry no late mentions will be accepted.