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38 Years
experience
Trusted HVAC Services in Killeen, TX
Ellis Air Systems, established in 1988, is a family-owned and operated HVAC company serving Central Texas. Our team of experts specializes in residential and commercial heating, cooling, and air quality solutions, prioritizing customer satisfaction and long-term relationships. With over three decades of experience, we have installed more R410a systems than any local contractor, backed by a lifetime workmanship warranty. Our commitment to quality is reflected in our 99.9% satisfaction rate and recognition as the Best HVAC Company in Central Texas from 2011 - 2023. We serve Killeen, Temple, Round Rock, and surrounding counties, offering personalized service through our family-led departments.

Our technicians utilize the latest technology to ensure energy efficiency and comfort, while our Cool Club preventative maintenance program provides peace of mind. We partner with trusted financial providers for flexible financing and offer exclusive discounts to military members and first responders. Our dedication to excellence extends to air duct cleaning, whole-house air purifiers, and prompt repair services, ensuring healthier indoor environments. As a locally rooted business, we combine old-fashioned values with modern expertise to deliver reliable, cost-effective solutions tailored to each client's needs.
Services
Residential HVAC Commercial HVAC AC Repair HVAC Maintenance Air Duct Cleaning Whole House Air Purifiers System Replacement Emergency Repairs Indoor Air Quality Cool Club Program
Details
  • Year established: 1988
Highlights and features
  • We are a family-owned business serving Central Texas since 1988.
  • Our lifetime workmanship warranty guarantees long-term reliability.
  • 99.9% satisfaction rate reflects our commitment to customer service.
  • We install more R410a systems than any local contractor.
  • Exclusive discounts for military members and first responders.
What people say
Excellent warranty Honest service Best price Quick to get appt Energy bill savings
Services
Residential HVAC
Ellis Air Systems delivers tailored heating and cooling solutions for homes, ensuring year-round comfort. Our experts install, repair, and maintain systems using the latest technology. Customers benefit from personalized service and a lifetime workmanship warranty.
Commercial HVAC
We provide energy-efficient HVAC systems for businesses, focusing on reliability and cost savings. Services include installation, maintenance, and emergency repairs. Our solutions reduce operational costs while maintaining optimal indoor environments for commercial spaces.
AC Repair
Our technicians address all AC issues, from unusual noises to complete system failures. Prompt repairs restore comfort quickly. We prioritize diagnosing hidden problems to prevent future breakdowns in residential and commercial units.
HVAC Maintenance
Regular maintenance extends system lifespan and improves efficiency. Our Cool Club program includes 21-point inspections and cleaning. Members receive a 10% parts discount and priority service during emergencies.
Air Duct Cleaning
We remove pollutants like mold and allergens from ductwork, enhancing indoor air quality. The process reduces health risks and improves system efficiency. EPA-standard compliance ensures thorough cleaning for homes and businesses.
People
Fred Ellis
Founder
Fred Ellis founded Ellis Air Systems over 30 years ago with a single truck. Though retired from daily operations, he continues to provide strategic guidance to the family business.
Mason Ellis
CFO
Mason Ellis, a Texas A&M graduate, manages financial operations and administrative functions. He ensures smooth back-end processes, supporting the company's growth and customer service excellence.
Preston Ellis
COO
With 15+ years in HVAC, Preston Ellis oversees daily operations as Chief Operating Officer. His expertise ensures efficient service delivery across residential and commercial projects.
Scott Ellis
Install Manager
Scott Ellis leads the installation team, managing over 75 technicians. His leadership ensures timely, high-quality installations of heating and cooling systems for residential and commercial clients.
Questions
What preventative maintenance should I do for my HVAC system?
Change your filter monthly and schedule fall/spring checkups to improve efficiency and longevity.
When should I replace my air conditioner?
Consider replacement if your unit is over 12 years old to reduce utility bills by 30% or more.
What thermostat temperature is most efficient?
Set your thermostat to 78°F for optimal energy efficiency and cost savings.
How can I calculate energy savings with a new system?
Use our online energy savings calculator, selecting Texas for accurate regional estimates.
Do you offer discounts for military members?
Yes, we provide 5% off full system replacements and 10% off repair parts for military and first responders.
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