Truck HVAC System Repair Services in Texas

When it comes to trucks, having a reliable HVAC system is crucial for efficient operation. At OTR Fleet Service, we specialize in providing top-notch mobile HVAC system repair and maintenance services, ensuring that your fleet, heavy-duty, medium-duty, and light-duty trucks stay comfortable and perform at their best.

Schedule Repair

Common Signs of HVAC Issues 

It's important to be aware of common signs that may indicate HVAC issues in your trucks. These signs include insufficient cooling or heating, weak airflow from vents, strange odors, unusual noises, erratic temperature control, and moisture or water inside the cabin. These symptoms often point to underlying problems such as a malfunctioning compressor, refrigerant leaks, clogged filters, faulty blower motors, or electrical issues. Addressing these signs promptly is crucial to prevent further damage and ensure optimal HVAC system performance.

HVAC System Diagnosis and Repair for Trucks 

Our team undergoes rigorous training and stays up-to-date with the latest industry advancements, equipping them with the expertise to handle any HVAC-related issue efficiently. Whether it's a faulty blower motor, compressor malfunction, refrigerant leak, or electrical problem, our experts can accurately diagnose and promptly repair it. We utilize genuine parts and adhere to manufacturer guidelines to ensure long-lasting and reliable repairs for your trucks' HVAC systems.

Preventive HVAC System Maintenance for Trucks 

Regular maintenance plays a vital role in extending the lifespan of your trucks' HVAC systems and minimizing unexpected breakdowns. At OTR Fleet Service, we offer preventive maintenance services tailored to the unique needs of your trucks. Our comprehensive maintenance packages include:

  • Cleaning of components: We inspect and clean the HVAC system components, including filters and vents, to ensure optimal airflow and system performance.
  • Refrigerant level checks: We assess and adjust the refrigerant levels in your trucks' HVAC systems to maintain efficient cooling and heating.
  • Lubrication of moving parts: We lubricate essential moving parts to reduce friction and ensure the smooth operation of the HVAC system.
  • Inspection of electrical connections: Our technicians inspect electrical connections to identify and address any potential issues that may impact the performance of your trucks' HVAC systems.
  • Performance tests: We conduct thorough performance tests to verify the functionality and efficiency of your HVAC system, making any necessary adjustments or repairs as needed.

Contact Us 

When it comes to HVAC system services for your trucks, trust the experts at OTR Fleet Service. Contact us today to schedule an appointment or learn more about our exceptional services. We are dedicated to keeping your HVAC systems in top shape, ensuring comfort and optimal truck performance.

Schedule Repair
our repairs

Full-Service Truck Repair capabilities

Diesel mechanic performing axle repairs on semi-truck in Houston, TX

Axle Repair

We specialize in providing axle repair and maintenance services for heavy equipment and heavy, medium, and light-duty trucks.

Diesel mechanic performing brake repairs on heavy-duty truck in Houston, Texas

Brake Repair

Our commitment to excellence and attention to detail, you can trust our brake repair services to deliver outstanding results.

Diesel mechanic performing coolant system repair services in San Antonio, Texas

Coolant System Repair

We recognize the critical role of a properly functioning coolant system in fleets, heavy-duty, medium-duty, and light-duty trucks.

Diesel mechanic performing ECM tuning services on semi truck in Dallas, Texas

Performance ECM Tuning

At OTR Fleet Service, we excel in performance ECM tuning of fleet, heavy-duty, medium-duty, and light-duty trucks.

Diesel mechanic performing electrical repairs on semi trailer in Austin, Texas

Diagnostics & Electrical Repair

At OTR Fleet Service, we provide comprehensive diagnostic and electrical repairs, to achieve optimal performance and reliability.

Diesel mechanic performing driveline repairs on semi truck in Katy, Texas

Driveline Repair

Our driveline services will ensure optimal performance and reliability for your fleet, heavy-duty, medium-duty, and light-duty trucks.

Mechanic performing EGR & DPF cleaning in Dallas, Texas


At OTR Fleet Service, we specialize in EGR and DPF repair services for fleets and heavy-duty, medium-duty, and light-duty trucks.

Mechanic performing diesel engine repairs on semi trucks in Texas

Engine Repair, Rebuild & Conversion

Our expertise and top-quality services will ensure your trucks run at their best.

Diesel mechanic performing express lube service on semi truck fleet in Texas

Express Lube

We understand the importance of keeping your fleet, heavy-duty, medium-duty, and light-duty trucks running smoothly and efficiently.

Diesel mechanic performing exhaust system repairs for semi trucks in Texas

Exhaust System Repair

We are your go-to exhaust system repair and maintenance provider for fleet, heavy-duty, medium-duty, and light-duty trucks.

Diesel mechanic performing AC repairs on semi truck in Texas

HVAC System Repair

At OTR Fleet Service, our specialization lies in delivering exceptional on-the-go HVAC system repair and maintenance services.

Diesel mechanic performing oil & fluid services on semi truck fleet in Texas

Oil & Fluid

We are proud to offer professional oil and fluid services meticulously tailored to meet the unique needs of your vehicles.

Diesel mechanic performing suspension repairs on semi truck in Austin, Texas

Suspension Repair

The suspension system is crucial in ensuring a smooth ride, maintaining proper tire contact with the road, and enhancing stability.

Diesel mechanic performing wheel repairs on semi truck in Texas

Wheel Repair

At OTR Fleet Service, out skilled technicians will keep your wheels in optimal condition for enhanced performance and safety on the road.

Diesel mechanic performing transmission & clutch repairs in Dallas, Texas

Transmission & Clutch Repair

Our comprehensive range of transmission and clutch services is specifically designed to ensure unparalleled reliability.

Diesel mechanic performing truck & trailer alignment services in Texas


OTR Fleet Service takes pride in being the premier choice for truck and trailer alignment services.


customer insights

"Highly recommend OTR Dallas for inspection and repair. Michele was awesome! She’s professional and helped us a lot. Great communication. Reasonable price for repairs. Thanks Michele for all the help."  //  Mike Alhoutari

Alternative Distributors

5 stars

"OTR has been a great help to us in both the Dallas and Houston areas. The staff is always very helpful and informative. They provide great customer service, their mechanics, both mobile and in house, are very through and informative."

rodney geibe

5 Stars

"I have taken my trailer into this shop for years. Outstanding service. Everyone at the shop goes out of there way to get you back on the road as quick as possible. If you need work done on your truck or trailer, this is the place to go."

Eston Hammer

5 Stars

"Amazing place!  
Super friendly and fast staff. Rudy Ray was an amazing mechanic! Not only did he get the job finished the same day, he kept me in the loop the entire time. Shout out to him and the great staff at  OTR!"