Your HVAC system keeps drivers comfortable in every season. Whether your truck has weak air conditioning, poor heat, or airflow problems, we'll restore dependable climate control to your cab.

Truck HVAC Repair in Jamestown, ND
A dependable heating and air conditioning system improves visibility by clearing the windshield, creates a comfortable cabin, and reduces driver fatigue. When your HVAC system isn't working properly, small problems can quickly become major inconveniences for both your drivers and your operation.
HVAC Services We Provide
At Buffalo City Diesel, we provide professional AC repair for commercial fleets, including:
- Air conditioning diagnostics
- A/C compressor replacement
- Heater core repairs
- Blower motor replacement
- Refrigerant leak detection
- HVAC electrical diagnostics
- Climate control repairs
- Complete HVAC inspections
Our specialist team will identify the problem and recommend the right repair to restore dependable cabin comfort.
Signs Your Fleet Needs HVAC Repair
Common signs your fleet may need HVAC repairs include:
- Weak or no airflow from the vents
- Air conditioning that isn't cooling
- Little or no heat from the heater
- Unusual noises when the HVAC system is operating
- Fogged windows that won't clear properly
- Refrigerant or coolant leaks related to the HVAC system
- Musty odors from the vents
Addressing these issues early helps keep your drivers comfortable, improves visibility, and minimizes unnecessary downtime.
Why Choose Us for HVAC System Repair
12 Service Bays: Our 12 fully equipped service bays give us the capacity to service fleets of all sizes while maintaining the same level of quality and attention to detail on every truck.
In-House Parts Department: We stock many common HVAC components. If a specialized replacement part is needed, our supplier network can typically have it in our shop within one business day.
12-Month Warranty: Every repair we complete is backed by a 12-month warranty, giving you confidence in the quality of our workmanship.
Fleet Specialists: Commercial fleet HVAC service is one of our specialties. Our technicians understand the climate control systems used across today's heavy-duty fleet vehicles and know how to keep them operating reliably.
Built on Relationships: We build lasting partnerships by providing honest advice, dependable repairs, and customer service you can rely on throughout the life of your fleet.
Mobile Repairs: Our mobile technicians can diagnose many HVAC issues at your location and perform eligible repairs on-site whenever practical.
Contact Us About Semi Truck AC Repair Now: Call 701-253-2844!
If one of your fleet trucks has lost heat or air conditioning, don't wait for driver comfort and productivity to suffer. Our specialist team will diagnose the issue, recommend the right repair, and restore your HVAC system as quickly as possible.
Call 701-253-2844 today to schedule your semi truck AC repair.
FAQs
How do I get to your shop?
Our shop is located at 2603 3rd Avenue SW, Jamestown, ND 58401-7002, just minutes from Interstate 94 and US Highway 281. Whether you're traveling east or west on I-94 or heading into Jamestown via US Highway 281, you'll find our shop easy to reach. If you need directions, give our team a call at 701-253-2844.
What areas do you serve for heavy-duty HVAC system repair?
We proudly serve fleets throughout Jamestown and the surrounding communities, including Tappen, Dawson, Steele, Pettibone, Valley City, Carrington, Pingree, Spiritwood, Medina, Eldridge, Windsor, Cleveland, Sanborn, Oriska, Cooperstown, New Rockford, Napoleon, Finley, Lisbon, Wishek, Oakes, Ellendale, Fessenden, Ashley, and Casselton.
What are the signs of truck HVAC failure?
Weak airflow, poor cooling, no heat, unusual noises, fogged windows, unpleasant odors, or refrigerant leaks are all common signs that your truck's HVAC system should be professionally inspected before the problem becomes more extensive.
Why is my truck AC blowing warm air?
Warm air can be caused by low refrigerant, a leaking system, a faulty compressor, electrical problems, or worn HVAC components. A professional diagnosis helps identify the root cause so the correct repair can be completed.
How can I get heavy-duty HVAC system repair?
If one of your fleet trucks needs HVAC repairs, give our specialist team a call at 701-253-2844. We'll inspect the system, explain your repair options, and work efficiently to restore reliable heating and air conditioning while minimizing downtime for your operation.
Heavy-Duty Truck Repairs in Jamestown, ND
From engine diagnostics and brake repairs to electrical, suspension, hydraulic, and trailer repairs, we quickly identify the problem and deliver dependable solutions that get your vehicles back to work with confidence.
Testimonials
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