Air Conditioning Experts in Plano, TX
50 Years of Excellence in Comfort & Reliability
If you’re looking for trusted heating and cooling experts in Plano, Texas, turn to Ellis Air Conditioning & Heating—a name known for reliability, professionalism, and customer-first service for more than five decades. Proudly serving the greater Dallas area since 1975, Ellis AC offers a full range of residential and commercial HVAC services to keep your home or business comfortable year-round.
Whether it’s a blazing summer or a chilly North Texas winter, our team delivers customized solutions to keep your indoor environment perfectly controlled—efficiently, affordably, and without compromise.
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Residential HVAC Services in Plano
Your home deserves HVAC care that’s dependable and tailored to your unique needs. At Ellis AC, we specialize in high-quality residential air conditioning and heating installations, repairs, and preventive maintenance to ensure your comfort in every season.
HVAC Installation
We provide professional installation of high-efficiency heating and cooling systems that match your home’s size, layout, and your personal preferences. Whether building new or upgrading, we’ll guide you from product selection to flawless installation.
HVAC Repairs
Our responsive team is equipped to handle unexpected HVAC issues with speed and precision. Our residential repair services are designed to restore your comfort with minimal disruption.
HVAC Maintenance
Protect your investment with scheduled HVAC maintenance. Our service includes full system inspections, cleaning, and tune-ups to keep your system running smoothly while reducing long-term costs.

Commercial HVAC Services for Plano Businesses
Downtime isn’t an option for your business. Ellis AC provides reliable commercial HVAC services that keep your employees, clients, and tenants comfortable—and your systems efficient.

Custom Installations
From office buildings to retail spaces and restaurants, we design and install commercial HVAC systems tailored to your specific building size, energy needs, and business hours. Learn more about our commercial installation services.
Routine Maintenance
Prevent costly repairs and reduce energy bills with our proactive commercial HVAC maintenance services. We’ll ensure your system operates at peak efficiency every season.
Emergency Repairs
Unexpected breakdowns? Our expert team provides fast and effective commercial HVAC repairs so your business can get back to normal—fast.
Why Plano Residents and Businesses Choose Ellis AC
50 Years of Experience: Proudly serving Plano and the greater Dallas area since 1975.
Carrier Factory Authorized Dealer: We offer top-of-the-line Carrier systems, installed and serviced by certified technicians.
Local HVAC Expertise: We understand Plano’s climate and design solutions that work best for local homes and businesses.
Innovative Technology: We stay up to date with the latest tools, systems, and training in the HVAC industry.
Reliable, Transparent Service: No hidden fees—just honest pricing, fast response times, and top-tier service every time.




Schedule HVAC Repair in Plano Today
Whether you need a new HVAC system, seasonal maintenance, or emergency service, Ellis Air Conditioning & Heating is ready to help. Experience the difference that five decades of experience and a customer-first approach can make.
👉 Contact us today to schedule your residential or commercial HVAC service in Plano, TX.