AAON Services

Serving St. Louis, MO & Surrounding Areas

AAON Installations, Repairs, & Maintenance

Diagnosing and repairing complex systems, especially AAON, requires specialized expertise. At JLM Heating & Air Conditioning, our factory-trained technicians have over five years of dedicated experience in AAON troubleshooting, maintenance, installation, and repair.


We know AAON systems inside and out. Known for their high efficiency and reliability, AAON systems provide exceptional heating and cooling. We specialize in providing top-quality AAON services in the St. Louis area, ensuring your year-round comfort. From new installations and timely repairs to regular maintenance, our team has the expertise to handle all your AAON needs.

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AAON Installations

At JLM Heating & Air Conditioning, we understand the intricacies of AAON systems. Our expert installation services ensure your new system is configured for optimal performance, maximizing efficiency, longevity, and energy savings. We tailor each installation to meet your specific needs, working with a wide range of AAON models.


  • Benefits of Professional AAON Installation: Proper installation by experienced technicians ensures maximum efficiency and reliability.
  • Types of AAON Systems Installed: We install and service a wide range of AAON equipment, from small packaged units for residential use to large-scale rooftop units and air handling systems for commercial applications.

AAON Repair Services

A malfunctioning AAON system can disrupt your business or home comfort. Our factory-trained technicians at JLM Heating & Air Conditioning have over five years of specialized AAON experience, allowing us to quickly diagnose and resolve issues, minimizing downtime and restoring your system's performance.


  • Common AAON Issues: We tackle challenges like inefficiencies, malfunctions, and component issues in systems.
  • Importance of Timely AAON Repairs: Timely repairs safeguard your system, preventing further damage while ensuring functionality, comfort, and safety.

AAON Maintenance Services

Enjoy consistent comfort and peace of mind with proactive AAON maintenance from JLM Heating & Air Conditioning. Our thorough inspections, cleaning, and tune-ups identify and address potential issues before they become major problems, ensuring reliable performance and minimizing unexpected downtime.


  • Benefits of Routine AAON Maintenance: Routine maintenance prevents unexpected failures, enhances efficiency, and prolongs the life of your equipment.
  • AAON Maintenance Plans: Our maintenance plans provide scheduled inspections, filter replacements, and performance evaluations for comprehensive care

Our Service Technicians

JLM Heating & Air Conditioning utilizes cutting-edge diagnostic tools and techniques to service even the most sophisticated HVAC systems. We have the capability to communicate directly with your system's controls, including 24V stand-alone, VCM, VCMX, VCBX, and VCCX2, ensuring accurate diagnoses and efficient repairs.

Why Choose JLM?

  • Experienced AAON Technicians

    Our team features factory-trained AAON technicians with over five years of specialized experience, ensuring expert care and efficient solutions for your AAON systems.

  • Advanced AAON Diagnostics

    Using advanced diagnostic tools, we connect directly to your AAON system or building automation system, enabling us to identify issues with precision and deliver targeted solutions.

  • Fully Stocked Service Vans for AAON Repairs

    Our fully stocked service vans carry a wide selection of AAON parts, allowing us to complete most repairs on-site and minimize downtime for a fast return to operation.