Truck HVAC System Repair in Denver, CO and Kalispell, MT

HVAC Repair in Denver, CO, and Kalispell, MT

We provide expert HVAC repair for heavy-duty and semi trucks in Denver, CO and Kalispell, MT. Whether you're dealing with loss of airflow, hot air blowing from your vents, or strange compressor noises, our team will get your system working right.

We diagnose and repair both air conditioning and heating systems to ensure driver comfort and safety. Our technicians service all makes and models of commercial diesel trucks, using advanced tools to test refrigerant levels, blower motors, sensors, and climate controls.

Complete AC and Heating System Service

We offer full-service HVAC repair and diagnostics, including:

• Air conditioning system diagnosis and troubleshooting
• AC compressor, condenser, and evaporator repair
• Refrigerant leak detection and recharge
• Blower motor testing and replacement
• Cabin air filter inspection and replacement
• Heating core repair and coolant flow diagnostics
• HVAC control module calibration
• Ventilation system repair and resealing
• Full HVAC system replacement for severe failure

Our repairs ensure efficient cooling in the summer and proper heating in the winter—essential for maintaining driver alertness and regulatory compliance during extreme weather conditions.

What Makes Us Different

At Iron Buffalo, our technicians are trained in both, using OEM-grade diagnostic equipment to assess system performance and identify faults quickly. We don’t guess—we verify every component from refrigerant pressure to sensor feedback. We keep critical HVAC parts in stock and prioritize fast turnaround times without compromising on quality. Whether it’s a quick recharge or a complete system rebuild, our team ensures lasting results and peak system performance.

Need Truck HVAC Repair?

If your HVAC system isn’t performing as it should, call Iron Buffalo at 303-623-7049 (Denver) or 406-890-7001 (Kalispell) today. We’ll restore your HVAC system to full working condition—fast.

FAQs

What Areas Do You Serve?

We offer 24/7 mobile repairs and roadside assistance in the following areas:

Colorado: Boulder, CO; Aurora, CO; Centennial, CO; Fort Collins, CO; Greeley, CO; Georgetown, CO; Brighton, CO; Castle Rock, CO; Colorado Springs, CO; and Longmont, CO.

Montana: Whitefish, MT; Bigfork, MT; Somers, MT; Polebridge, MT; Thompson Falls, MT; Polson, MT; Rollins, MT; Libby, MT; and Eureka, MT.

What Causes My Truck AC to Blow Warm Air?

Common causes include low refrigerant, a faulty compressor, clogged condenser, or control module failure. We perform pressure tests and electronic diagnostics to find the root issue.

Can You Repair Heating Systems Too?

Yes. We provide full heating system repairs, including heater core service, coolant system checks, blower motor replacements, and thermostat diagnostics.

How Can I Get in Touch?

If you're ready to schedule diesel repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell).