Opening Times:

24 Hours A Day

Beat the Heat with Road-1 Inc — Fast, Certified, and 24/7 Diesel AC Repair

Your diesel truck isn’t just a machine — it’s your mobile office, your revenue source, and your home on the road. A faulty air conditioning system can turn your workday into a nightmare. At Road 1 Inc, we specialize in heavy-duty diesel truck AC diagnostics, repairs, and recharge services so you can stay cool, focused, and legally compliant during those long hauls.

We Work With Your Fleet Maintenance Company

  • We know the process from approvals to payment.
  • We handle the paperwork so you don't have to.
  • We keep your trucks moving with fast repair when and where you need them.
columbia sc diesel truck ac service

24/7 Emergency Diesel Repair Experts

Trusted by Columbia’s fleet managers and owner-operators for on-site service anytime, anywhere.

Certified Diesel Technicians

Our team combines over 20 years of hands-on experience in diesel engine diagnostics.

Fleet Contracts with DOT Compliance Support

Partnered with local logistics, construction, and agricultural businesses to keep fleets road-ready and regulation-compliant.

Backed by Real Reviews & Repeat Clients

Hundreds of trucks serviced with consistent 5-star testimonials praising our speed, honesty, and technical precision.

Quality Repairs & Service Guaranteed

What We Fix – Full-Service Diesel AC Repairs

  • Computerized AC Diagnostics
    Pinpoint issues in compressors, pressure sensors, electrical components, and more.

  • Refrigerant Recharge
    For R134a and 1234yf systems — we recover, vacuum test, and recharge.

  • Compressor Replacement
    Faulty compressors can burn up belts and reduce cooling efficiency — we fix that fast.

  • Blower Motor Repair
    For weak airflow or inconsistent cabin temps.

  • Evaporator Core & Heater Blend Door Repair

  • AC Belt, Clutch & Pulley Systems

  • Leak Detection & Sealing

Common Diesel AC Service Use Cases

  • Your cab’s airflow suddenly cuts off mid-route

  • You notice warm or musty air blowing on max cold

  • You're preparing your fleet for DOT inspections

  • Preventive service before the summer heat

  • Emergency breakdown on I-20, I-26, or Hwy 321


Why Fleets and Drivers Choose Road 1

  • Certified Diesel HVAC Technicians with 20+ years combined experience

  • Mobile AC Repairs — roadside or on-site for fleet units

  • Fast Diagnostics to minimize downtime

  • Fair, Transparent Pricing (no upcharges for diagnostics)

  • AC Repairs Backed by Warranty


We Serve the Columbia Metro Area:

  • Columbia, West Columbia, Cayce, Lexington, Irmo, Forest Acres

  • Emergency calls are covered within a 60-mile radius


Real Reviews from the Road

“These guys are the real deal. Had me back rolling cold air in no time after a breakdown.” – Sam R., Freight Hauler

“Road 1’s AC team did a complete compressor swap same-day. Professional and honest.” – Dana W., Fleet Manager

Frequently Asked Questions About Diesel Truck AC Repair

Q: How often should I recharge my truck’s AC system?
A: Diesel AC systems typically need recharge every 1–2 years depending on use. If cooling drops noticeably, it’s time for a check.

Q: Can you fix my AC on the roadside?
A: Yes. Road 1 offers 24/7 mobile AC repairs. We carry compressors, blower motors, and refrigerant onboard for emergency jobs.

Q: What are signs my AC compressor is failing?
A: No cold air, loud clicking noises, fluid leaks, or the clutch not engaging are red flags. We can diagnose in-shop or on-site.

Q: Is refrigerant included in your recharge pricing?
A: Yes — we provide full-service AC recharges, including recovery, vacuum testing, refrigerant, and system top-off.

Q: Do you offer fleet service contracts for AC maintenance?
A: Absolutely. We provide scheduled preventive AC service and rapid response for fleet clients across Columbia.

Book Diesel AC Service Today

Don’t sweat it — call (803) 794‑5155 now or [Schedule Online]
Fast. Honest. Certified. That’s Road 1.