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Colku GCB25C 48V Inverter RV Air Conditioner – Powerful Cooling for Modern Mobile Living

2026-06-24

Comfort on the road starts with a reliable climate control system. Designed specifically for RVs, campers, and mobile living applications, the Customs GCB25C delivers powerful cooling performance, exceptional energy efficiency, and whisper-quiet operation, making every journey more enjoyable.

Featuring a robust 3100W (10540 BTU) cooling capacity, advanced 48V inverter technology, and environmentally friendly R32 refrigerant, the GCB25C is built to keep your living space cool and comfortable, even in extreme outdoor temperatures.

Looking for another rooftop cooling solution? Colku also offers the GCB25A RV air conditioner, featuring R32 refrigerant and a rotary compressor design. Explore the model to find the perfect fit for your vehicle.

Powerful Cooling Wherever the Road Takes You

Summer heat is no match for the GCB25C. With an impressive 3100W / 10540 BTU cooling capacity, this rooftop air conditioner quickly lowers cabin temperatures and maintains a consistently comfortable environment inside your RV.

Designed to operate efficiently in ambient temperatures ranging from 16°C to 55°C, the GCB25C ensures dependable cooling performance whether you're camping in the mountains, parked by the beach, or traveling through hot desert regions.

48V GMCC DC Inverter Compressor for Greater Efficiency

At the heart of the GCB25C is a premium 48V GMCC DC inverter compressor, engineered for high performance and energy efficiency.

Key advantages include:

  • Faster and more stable cooling performance
  • Reduced energy consumption
  • Smoother compressor operation
  • Improved reliability and longer service life

The inverter technology continuously adjusts compressor speed according to cooling demand, optimizing both comfort and power usage.

Enhanced Airflow with an Ultra-Thin Air Outlet

The GCB25C features Colku's upgraded ultra-thin air outlet design, combining a modern appearance with improved airflow performance.

The optimized air distribution system delivers:

  • Greater air volume
  • Faster cooling response
  • More even temperature distribution throughout the cabin

This ensures every corner of your RV remains cool and comfortable.

Quiet Comfort with Anti-Shock Technology

A peaceful interior environment is essential for quality rest during travel.

Colku's exclusive anti-shock compressor structure significantly reduces vibrations generated during compressor operation, effectively minimizing noise levels and creating a quieter living and sleeping environment.

Enjoy cool comfort without unwanted disturbances.

Environmentally Responsible Cooling

The GCB25C uses advanced R32 refrigerant, offering an excellent balance of:

  • Environmental sustainability
  • High energy efficiency
  • Operational safety
  • Cost-effective performance

R32 refrigerant helps reduce environmental impact while delivering outstanding cooling efficiency for modern RV applications.

Built to Withstand Outdoor Conditions

Travel often means exposure to changing weather and demanding environments. That's why the GCB25C is constructed with a durable ABS housing designed for long-term outdoor use.

Benefits of the high-quality ABS shell include:

  • Excellent heat resistance
  • Superior corrosion resistance
  • Enhanced durability
  • Long service life in outdoor environments

No matter where your adventures take you, the GCB25C is built to perform.

Flexible Installation for Different Vehicle Types

The GCB25C is designed to fit standard 360 mm × 360 mm rooftop openings, making installation straightforward and convenient.

Its specially engineered universal mounting system supports flexible installation across various vehicle types and configurations, including:

  • RVs
  • Camper vans
  • Motorhomes
  • Trucks
  • Mobile living vehicles

This versatility makes the GCB25C an ideal climate solution for a wide range of applications.

Why Choose the Colku GCB25C?

3100W / 10540 BTU powerful cooling capacity for rapid temperature reduction
48V GMCC DC inverter compressor for efficient and stable operation
Ultra-thin air outlet design for improved airflow and modern aesthetics
Anti-shock compressor structure for quieter performance
Eco-friendly R32 refrigerant for sustainable cooling
Durable ABS housing with excellent heat and corrosion resistance
Fits standard 360 × 360 mm rooftop openings
Reliable operation in temperatures from 16°C to 55°C

The Customs GCB25C combines powerful performance, quiet comfort, and intelligent energy efficiency to deliver the ultimate cooling experience for life on the road. Whether you're traveling for a weekend getaway or embracing full-time RV living, the GCB25C ensures you stay comfortable every mile of the journey.