AC & Heating Repair in Killeen, TX

24-Hour Key Drop-Off Icon | L&H Automotive

24-Hour Key Drop-Off

Complimentary Snacks Icon | L&H Automotive

Complimentary Snacks

Complimentary Lyft Rides Icon | L&H Automotive

Complimentary Lyft Rides

ASE Certified Technicians Icon | L&H Automotive

ASE Certified Technicians

Financing Options Available Icon | L&H Automotive

Financing Options Available

36Y/36K-Mile Warranty Icon | L&H Automotive

36Y/36K-Mile Warranty

What We Do?

Comfort for Every Season

A comfortable cabin is more than a convenience when Texas temperatures rise or cold mornings arrive. L&H Automotive provides AC and heating diagnostics for drivers in Killeen, TX, addressing weak airflow, warm air, unusual odors, noisy fans, refrigerant leaks, and poor heater output. Our ASE-certified technicians evaluate the complete climate-control system so the repair targets the real cause. We inspect mechanical, electrical, and airflow-related components rather than relying solely on a quick recharge. When qualifying repairs are completed, TechNet coverage may provide a 36-month or 36,000-mile warranty and roadside assistance. We help keep your vehicle comfortable, clear-windowed, and ready for changing weather.

Book your service

Need Routine Maintenance?

Cabin Comfort Supports Safer Driving

Your vehicle's air conditioning and heating systems influence comfort, visibility, and driver focus. During hot weather, an underperforming AC system can make even a short trip exhausting, while a failed heater or defroster can leave windows fogged when temperatures drop. Climate-control concerns may stem from low refrigerant, a leaking hose or seal, a weak compressor, a clogged cabin air filter, a faulty blower motor, electrical resistance, a stuck blend door, or engine cooling system trouble. Because several components can create the same symptom, adding refrigerant without testing may only provide temporary relief and can overlook a leak or electrical fault. Professional diagnosis is important for protecting the system and avoiding unnecessary parts. At L&H Automotive, we evaluate temperature output, vent airflow, operating pressures, compressor command, fan operation, and the condition of visible components to determine why the system is not performing correctly for drivers in Killeen, TX.


Once the cause is identified, our ASE-certified technicians explain the repair options in straightforward terms. Service may involve leak detection, refrigerant recovery and recharge using the correct specification, compressor or condenser repair, blower motor replacement, control-circuit testing, heater-core evaluation, thermostat service, or cabin air filter replacement. We also consider related engine-cooling performance because heater output depends on proper coolant circulation and temperature. L&H Automotive follows appropriate handling and testing procedures so the system is serviced responsibly and verified after repair. Qualifying work may receive TechNet support with a 36-month or 36,000-mile warranty and roadside assistance, which adds confidence after you leave the shop. Restoring climate control can reduce driver fatigue, improve windshield clearing, and make daily travel more comfortable for passengers. Professional service also helps prevent repeat visits due to an incomplete diagnosis, especially when electrical and mechanical faults occur together. It can also help the system operate more efficiently by correcting restrictions or control problems that force fans and compressors to work harder.

Why Choose Us?

Climate Control Diagnosis You Can Trust

Why Choose Us:
Drivers choose L&H Automotive because we test the full system before recommending a solution. Our ASE-certified technicians understand that weak cooling or heating may involve refrigerant, airflow, controls, electrical circuits, or engine temperature. We provide clear findings, practical options, and TechNet-backed protection on qualifying repairs.

Service Process:
The visit starts with a review of when the problem occurs, which vents are affected, and whether any noises, smells, or warning lights are present. We check blower speeds, vent selection, temperature change, defroster function, and cabin airflow. For AC concerns, the technician may inspect refrigerant pressure, compressor engagement, condenser condition, line temperature, and signs of leakage using appropriate testing methods. For heating concerns, we evaluate coolant level, engine operating temperature, heater hoses, airflow doors, and control operation. Electrical testing is added when commands or motors do not respond correctly. We then explain the confirmed cause and recommended repair. After service, the system is run through its available settings, output temperature is checked, and the repair is verified under realistic operating conditions.

Key Benefits:
  • Stronger Cooling and Heating Output
  • Improved Windshield Defrosting
  • Accurate Leak and Electrical Testing
  • ASE-Certified Climate-Control Service
  • TechNet Coverage on Qualifying Repairs
    • Book service online

    Looking for a local shop?

    Restore Cabin Comfort in Killeen, TX

    Do not wait for the hottest afternoon or a cold, foggy morning to discover that your climate-control system cannot keep up. If the AC takes too long to cool, the heater blows lukewarm air, the fan works only on certain speeds, or an unpleasant smell comes through the vents, schedule service with L&H Automotive. Our team helps drivers in Killeen, TX identify the cause before the concern leads to a complete loss of cooling, heating, or defrosting. We inspect the system as a whole and explain whether the issue involves airflow, refrigerant, electrical controls, or an engine-cooling component. That approach helps you make an informed decision instead of paying for a temporary fix that may not address the underlying problem. An online appointment is a practical way to plan service around your schedule and get ahead of changing weather.


    At L&H Automotive, our ASE-certified technicians are prepared to handle both straightforward maintenance and more complex climate-control faults. Whether the vehicle needs a cabin air filter, leak repair, compressor service, blower motor diagnosis, heater evaluation, or electrical testing, we use findings to guide the work. Qualifying repairs may include the TechNet 36-month or 36,000-mile warranty and roadside assistance, providing added support after service. Restored heating and cooling can make every drive more manageable, protect visibility through effective defrosting, and reduce strain on components that have been working harder than intended. Schedule AC and heating service in Killeen, TX before comfort becomes an emergency. We will help you understand the problem, review the recommended solution, and return the system to dependable operation so you and your passengers can travel comfortably throughout the year. We can also review the cabin filter condition and maintenance timing to keep airflow cleaner and the system prepared for the next season. Schedule your visit today to restore dependable temperature control, improve defroster performance, and make daily travel more comfortable for everyone inside the vehicle.

    AReas Of Service

    Professional AC & Heating Repair Across Killeen, TX and Beyond

    • McGregor
    • Nolanville
    • Florence
    • Belton
    • Evant
    • Salado
    • Temple
    • Kempner
    • Moody
    • Troy
    • Rogers
    • Holland
    • Bartlett
    • Gatesville
    • Lampasas
    • Oglesby