Independent multibrand car A/C, general and electrical workshop in Ambattur — diagnosis first, with estimates explained before approved work.
GM Car A/C Service is a multibrand car service center in Ambattur, Chennai, founded in 2019. The workshop has served Chennai drivers since 2019 and works diagnosis-first, with a written estimate before any work begins. Company services include car AC servicing, car general service, and car electrical service. Address: 12A, Gangai Amman Kovil Street, Kallikuppam, Ambattur, Chennai 600053.
From a small Ambattur workshop to diagnosis-first multibrand service
GM Car A/C Service was founded in 2019 in Kallikuppam, Ambattur, Chennai with a simple vision — to provide honest, affordable, and expert car air conditioning services that customers can truly trust.
What started as a small one-man A/C repair workshop has grown into an independent multibrand A/C, general and electrical service workshop. Since 2019, GM has built its service around diagnosis before replacement and clear estimates before approved work.
Mr G. Manigandan is the founder and lead technician of GM Car A/C Service. With hands-on experience, he is highly skilled across car AC servicing, automobile servicing, car electrical servicing and general servicing. He started the business in 2018 and opened the first workshop in 2019, building it on a passion for automotive cooling systems and a commitment to honest service. His expertise and hands-on standards have made the workshop a household name in Ambattur, Avadi, Anna Nagar, Padi, Mogappair, and across Chennai.
To deliver exceptional car AC repair services at transparent, affordable prices — ensuring every vehicle that leaves our workshop is perfectly cooled and every customer feels valued.
To be South India's leading multibrand car AC service, training center — setting the standard for quality, honesty, and innovation in the automotive AC industry.
Key milestones in our journey from a small workshop to Chennai's trusted auto AC center
GM Car A/C Service was founded at Kallikuppam, Ambattur, Chennai. Started as a dedicated car AC repair workshop with a passion for quality service and honest pricing.
Expanded to serve all car brands — Maruti Suzuki, Hyundai, Toyota, Honda, Kia, Tata, Mahindra, BMW, Mercedes, Audi and more. Became a true multibrand AC service center.
Added bus and commercial-vehicle A/C support, with job timing confirmed after diagnosis and parts availability.
Crossed Happy Customers milestone. Grew into an established car AC service center.
Launched professional auto AC training programs — providing technical training to aspiring mechanics across Tamil Nadu.
What makes the Ambattur workshop different
Serving Chennai since 2019 with deep expertise in all car AC systems. We've seen every AC problem and know how to fix it right the first time.
We recommend parts matched to the vehicle and the refrigerant specified for its A/C system. Parts, repair scope and any written terms are explained before approved work begins.
No hidden charges. No surprises. We provide upfront pricing with detailed explanations before any work begins — pay only for what you need.
Repair timing depends on the diagnosed fault, vehicle and parts availability. GM confirms the expected timeline before approved work begins.
Maruti, Hyundai, Toyota, Honda, Kia, Tata, Mahindra, Ford, VW, BMW, Mercedes, Audi — every brand including buses & commercial vehicles.
Our customers' trust is our greatest achievement — read their stories on our reviews page.
Can't bring your car? We offer complimentary pick-up and drop anywhere in Chennai, on confirmed bookings and subject to slot availability — just call to schedule!
Call to confirm availability · Pickup and drop is subject to service area, confirmed booking and slot availability · Estimate before approved work.
Simple, transparent, and efficient — from diagnosis to delivery
Call us at +91 8428000085, WhatsApp, or just drive in. No appointment needed for most services. Walk-ins welcome Mon–Sat 10AM–8PM.
Our workshop team checks the fault and explains the finding before recommending work.
Parts and refrigerant are matched to the vehicle requirement. The estimate is explained before approved work begins.
Final quality check ensures your AC is cooling perfectly. We hand over your vehicle with warranty documentation and maintenance tips for longer AC life.
A glimpse into our fully-equipped workshop at Kallikuppam, Ambattur
Skilled technicians dedicated to keeping your vehicle cool
hands-on expertise in car AC, automobile, electrical and general servicing. Started the business in 2018 and opened the first workshop in 2019, with a vision for honest, transparent, expert auto repair in Chennai.
Expert in all car AC systems — compressor repair, gas filling, leak detection. Handles luxury brands including BMW, Mercedes & Audi.
Specializes in auto electrical diagnostics and wiring repairs. Advanced diagnostic equipment expertise.
Your first point of contact. Handles appointments, explains repairs clearly, and ensures every customer leaves completely satisfied.
Free vehicle inspection on your first visit · multibrand service · No diagnosis fee.
Real repairs. Real customers. Behind-the-scenes videos & offers.
Subscribe + Follow & show proof at workshop → ₹200 OFF any service
12A, Gangai Amman Kovil Street, Kallikuppam, Ambattur, Chennai 600053, Tamil Nadu
Get DirectionsCustomers from across Chennai trust us for their car AC needs
Book a FREE 30-point A/C and electrical checkup. No obligation. Describe your car AC problem and we'll come back with an honest written quote.
GM Car A/C Service was established in 2019 in Ambattur, Chennai. The workshop has been serving the Chennai community since 2019 and has serviced vehicles across all brands.
GM is an independent multibrand workshop with diagnosis-first A/C and electrical service, published gas-filling prices, and estimates explained before approved work. Pickup and drop is subject to service area, confirmed booking and slot availability.
GM Car A/C Service is a multibrand workshop that services all major car brands including Maruti Suzuki, Hyundai, Tata, Honda, Toyota, Ford, Volkswagen, Skoda, Kia, MG, Mahindra, Renault, Nissan, Chevrolet, and all other passenger and commercial vehicles.
