A/C Repair in Santa Rosa, CA

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Dependable A/C Repair in Santa Rosa, CA

A properly functioning air conditioning system is essential for a comfortable and safe driving experience, especially during the warmer months in Santa Rosa, CA. At Transco Auto & Diesel Repair, we provide dependable A/C repair services to drivers throughout Sonoma County and the surrounding region. Our ASE-certified technicians are experienced with all aspects of automotive climate control systems, including refrigerant recharges, compressor repairs, condenser and evaporator service, leak detection, and A/C system diagnostics. Whether your A/C is blowing warm air, making unusual noises, or has stopped working entirely, we have the tools and expertise to diagnose the problem accurately and restore your system to peak performance. Qualifying repairs are backed by warranty-backed services, and financing is available.

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The Importance of A/C Repair in Santa Rosa, CA

Your vehicle's air conditioning system does more than keep you cool — it also plays a role in defogging your windshield and maintaining cabin air quality. When the A/C system is not functioning properly, it can lead to reduced visibility, discomfort, and in hot weather, potential health risks for drivers and passengers. A refrigerant leak, for example, does not just reduce cooling performance — it can cause the compressor to run dry and fail, turning a minor repair into a much more expensive one. For drivers in Santa Rosa, CA, addressing A/C issues early is the best way to avoid a more costly system failure down the road.


At Transco Auto & Diesel Repair, we treat every A/C repair with the same thoroughness we apply to all our services. Our technicians use specialized A/C diagnostic equipment to pinpoint the exact source of the problem and provide you with a clear repair recommendation before any work begins. We are an ASE-certified shop and NAPA AutoCare Center serving Santa Rosa, CA and the greater Sonoma County area, and we are committed to restoring your vehicle's comfort and performance with honest, quality service. Financing is available through the NAPA Credit Card and Synchrony Car Care Credit Card to make A/C repairs accessible when you need them most.

Why Choose Transco Auto & Diesel Repair for A/C Repair in Santa Rosa, CA

When your vehicle's A/C system needs attention, drivers in Santa Rosa, CA trust Transco Auto & Diesel Repair for fast, accurate, and honest repairs. Our ASE-certified technicians are experienced with automotive climate control systems on both domestic and foreign vehicles, and we use specialized A/C diagnostic tools to identify problems quickly and accurately. As a NAPA AutoCare Center, all qualifying A/C repairs are backed by warranty-backed services, so you can be confident that the work we do will last.


Our A/C repair process begins with a full system diagnostic to evaluate refrigerant levels, compressor function, hose and fitting integrity, and overall system performance. We share our findings with you before any repairs are performed and give you a transparent breakdown of what needs to be done. Our technicians then complete the approved repairs using quality parts and refrigerants that meet manufacturer specifications. After the repair, we test the system to verify it is performing correctly and that the cabin is cooling as expected. Our 24-hour key drop-off and complimentary pick-up and drop-off within 7 miles of the shop make it easy to get your A/C fixed without rearranging your day.


Key Benefits:

  • ASE-certified A/C repair technicians
  • Full A/C system diagnostics
  • Refrigerant recharge and leak detection
  • Compressor, condenser, and evaporator service
  • Warranty-backed services on qualifying repairs
  • NAPA Credit Card financing available — 6-month promotional financing on purchases of $199 or more
  • Extend NAPA Peace of Mind Warranty to 36 months/36,000 miles with NAPA Credit Card
  • 24-hour key drop-off
  • NAPA AutoCare Center
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A/C Repair Near Me in Santa Rosa, CA

Searching for A/C repair near you in Santa Rosa, CA? Transco Auto & Diesel Repair is the experienced, trusted choice for drivers throughout Sonoma County. Our shop on Santa Rosa Ave is conveniently located and easy to reach from Sebastopol, Rohnert Park, Cotati, Windsor, Petaluma, and surrounding areas. Whether your A/C has gradually lost its cooling power or stopped working suddenly, our technicians are ready to get your climate control system back in shape quickly and efficiently.


Do not spend another drive sweating it out with a broken A/C. Visit our website to book your A/C repair appointment online today. We offer 24-hour key drop-off and complimentary pick-up and drop-off within 7 miles of the shop to make the process as convenient as possible. Book online now and let Transco Auto & Diesel Repair restore your comfort with reliable, warranty-backed A/C repair.

Services We Offer in Santa Rosa, CA

Everything your vehicle needs — under one roof

Transmission Repair

Your transmission is the link between your engine and your wheels, and keeping it in top condition is essential for reliable performance. Our ATRA-certified technicians diagnose and repair transmission issues on automatic, manual, and semi-automatic vehicles with precision you can trust.

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Diesel Repair

Diesel engines require specialized knowledge and equipment to service properly. Our experienced technicians handle everything from fuel injectors, turbo chargers, air breaks, pneumatics, preventive maintenance, and diagnostics, keeping your diesel-powered vehicle running at its best.

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Diesel Repair

Diesel engines require specialized knowledge and equipment to service properly. Our experienced technicians handle everything from glow plug replacement and fuel injector service to full diesel diagnostics, keeping your diesel-powered vehicle running at its best.

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Providing Expert Car Repair and Maintenance in Santa Rosa, CA and the Nearby Areas

Located in the heart of Santa Rosa, CA, Transco Auto & Diesel Repair has been a trusted name in automotive service for over 60 years. Our shop on Santa Rosa Ave is easy to find and convenient to reach for drivers throughout Sonoma County and the surrounding region. Whether you need transmission repair, diesel service, engine work, or routine preventive maintenance, our ASE-certified technicians are ready to help you get back on the road with confidence. We proudly serve generations of families who have counted on us for honest, reliable repairs.


At Transco Auto & Diesel Repair, we make every visit as hassle-free as possible. We offer 24-hour key drop-off so you can bring your vehicle in on your schedule, and our complimentary pick-up and drop-off service within a 7-mile radius of the shop means you never have to worry about a ride. As a NAPA AutoCare Center, ATRA-certified shop, and AAA Approved Auto Repair facility, we hold ourselves to the highest standards in the industry. Drivers from across Sonoma County and beyond trust us to deliver quality workmanship and straightforward service every time.

  • Bodega Bay
  • Boyes Hot Springs
  • Cloverdale
  • Cotati
  • El Verano
  • Forestville
  • Fulton
  • Graton
  • Guerneville
  • Healdsburg
  • Kenwood
  • Larkfield-Wikiup
  • Monte Rio
  • Occidental
  • Petaluma
  • Rohnert Park