Whatever your problem, big or small, you can always count on Ellis Air Systems to bring you the utmost in customer service and satisfaction. Even if you are unsure of the nature of you problem, schedule an appointment today and we will provide you with the most comprehensive HVAC checkup and cleaning. The experts at Ellis Air Systems are committed to making your home comfortable. Contact us today at (254) 526-5410 or email us at info@ellisairsystems.com or schedule an appointment right here on our website.


When it comes to repairs often times, systems may be in need of repair with or without the user even knowing about it! Read more about Air conditioning repair >>


Ellis Air Systems also provides Insulation for your home with AttiCat. Read more about AttiCat Insulation >>

Air duct cleaning

Air duct cleaning is also often over looked but just has important has having regular maintenance performed on your HVAC system. Read more about our Air Duct cleaning services >>


Often times, people wait until it’s too late to address a problem with their HVAC system. More about our Maintenance services >>

2010, 2011, 2012, 2013, 2014, 2015 and 2016!

Service made easy: Ellis Air Systems in Killeen is available 24/7 to solve your HVAC needs. Throughout every project phase, we are committed to provide the highest level of value to our client. A partnership with Ellis Air Systems, guarantees optimized efficiency and performance of your comfort systems—so you’re never left out in the cold.


  • High Efficiency Systems
  • Indoor Air Quality
  • Heating installations, repairs & maintenance
  • Cooling installations, repairs & maintenance
  • Mini-split systems
  • Furnaces
  • Heat pumps
  • Air cleaners
  • Thermostats & zoning
  • Air duct cleaning
  • Dehumidifiers

Serving homeowners, business owners and property managers, we provide the following comprehensive services:

We are proud to offer the most comprehensive maintenance/service agreement packages with 4 tiers of protection! Ask about our “COOL CLUB”.