When your cab won’t cool down, defrost properly, or maintain consistent airflow, comfort and visibility suffer fast. Our diesel mechanics ensure your truck stays reliable.

Heavy-Duty HVAC Systems Repair in Stevensville, MT
Your truck’s HVAC system controls heating, air conditioning, ventilation, and defrosting, all of which are critical for driver comfort and safe operation. As a trusted provider of truck HVAC systems repair, we diagnose refrigerant issues, airflow restrictions, and component failures that prevent proper temperature control. Accurate diagnostics allow us to restore performance without unnecessary parts replacement.
Our HVAC system services include:
- Complete HVAC system diagnostics and performance testing
- Air conditioning repair and refrigerant leak detection
- AC compressor, condenser, and evaporator inspection
- Heating system diagnostics and repair
- Blower motor and airflow control repair
- Climate control and actuator diagnostics
- Defrost system troubleshooting
- Refrigerant recovery and system recharging
Why DTS Truck Repair is Trusted in Ravalli & Missoula Counties
HVAC issues are more than just comfort problems, it can lead to poor defrosting, airflow loss, or overheating can impact safety and productivity. DTS Truck Repair takes a thorough approach to HVAC repair, identifying why the system failed and ensuring all components work together correctly. Our focus is on dependable operation in both extreme heat and cold. Servicing fire trucks has made us especially focused on safety, reliability, and doing the job right the first time.
What sets us apart:
- Experience servicing HVAC systems on fire trucks and fleet vehicles
- ASE-certified technicians trained in heavy-duty HVAC systems
- Accurate diagnostics to prevent repeat HVAC failures
- Honest repair recommendations with no unnecessary upselling
- Standard parts warranty for added confidence and peace of mind
Contact Us About HVAC Systems Repair Now: Call 406-830-6420!
HVAC problems don’t resolve themselves and often worsen with continued operation. If your truck is experiencing weak cooling, poor heat output, airflow issues, or defrost problems, call 406-830-6420 to schedule professional HVAC systems repair with DTS Truck Repair. We’ll restore comfort, visibility, and reliable climate control.
FAQs
What Areas Do You Serve For Heavy-Duty HVAC Systems Repair?
In addition to Stevensville, MT, we proudly serve Hamilton, Lolo, Florence, Victor, Corvallis, Darby, Frenchtown, Bonner, Clinton, Saint Regis, Superior, Polson, Ronan, and Salmon, ID, as well as Ravalli, Missoula, Lake, Mineral, Powell, Granite, Lemhi, and Idaho Counties.
Why Is My Truck AC Not Blowing Cold Air?
Common causes include low refrigerant levels, leaks, faulty compressors, blocked condensers, or electrical issues within the HVAC system. Proper diagnostics are required to identify the exact cause and restore consistent cooling performance.
Can HVAC Problems Affect Truck Safety?
Yes, HVAC issues can reduce windshield defrosting, visibility, and driver alertness. Poor airflow or failed heating systems can also impact comfort in extreme temperatures, making timely HVAC repairs important for both safety and productivity.
How Can I Get Heavy-Duty HVAC Systems Repair?
If you need heavy-duty HVAC systems repair for your truck or fleet, call 406-830-6420 to speak with DTS Truck Repair. Our team will inspect your HVAC system, explain the issue clearly, and restore reliable heating and cooling performance.
Fast And Effective Truck Repairs
We repair everything from work trucks to fire engines, using top-quality parts and ASE-certified precision. Your truck gets back on the road safely and efficiently.
Testimonials
Here's What our customers are saying, feel free to leave us a review!
Roland Hoover

