Colku RS33 24V DC Rooftop Air Conditioner: Powerful Cooling for Heavy-Duty Trucks

For long-haul truck drivers, cabin comfort is not a luxury. It directly affects focus, safety, and overall driving performance. In hot climates or during extended parking periods, a reliable rooftop air conditioner becomes essential.
The Colku RS33 24V DC Rooftop Air Conditioner is designed to deliver strong, efficient cooling specifically for heavy-duty trucks.

Streamlined Design Built for the Road

The RS33 features a streamlined and durable housing that reduces wind resistance and operating noise while driving.
Its aerodynamic design helps maintain stable performance at highway speeds and contributes to a quieter, more comfortable cab environment.

Built to withstand vibration, heat, and long working hours, the unit is well suited for demanding trucking conditions.

High Cooling Performance with Energy Efficiency

With a cooling capacity of 2700W and an energy efficiency rating of COP 3.0, the RS33 delivers powerful cooling without excessive power consumption.
This balance allows drivers to maintain a comfortable cabin temperature while minimizing load on the 24V electrical system.

Quiet and Reliable Brushless DC Motor

The air conditioner is equipped with a brushless DC motor, offering several advantages:

• Longer service life

• Reduced mechanical wear

• Lower operating noise

• Smooth and stable performance

The result is a quieter cabin and improved comfort during rest and sleep periods.

Strong Airflow for Faster Cooling

An evaporator air volume of 450 m³/h ensures efficient air circulation throughout the cabin.
Cold air is distributed evenly, helping the interior reach the desired temperature more quickly and maintain consistent cooling.

Designed for Extreme Working Conditions

The Colku RS33 is built to operate reliably in challenging environments:

• Working temperature range: 16°C to 55°C

• Adjustable temperature settings: 15°C to 30°C

Even in extreme heat, the system continues to deliver stable and effective cooling.

Easy Installation with Standard Roof Openings

The RS33 is compatible with standard rooftop vent openings measuring 350 mm × 345 mm, making installation straightforward with minimal modification.
With a net weight of 34 kg, the unit is compact and manageable for professional installation on truck cabins.

Environmentally Friendly Refrigerant

The system uses R410a refrigerant (460 g), known for its high cooling efficiency and reduced environmental impact compared to older refrigerants.
This ensures effective performance while meeting modern efficiency standards.

Ideal Applications

The Colku RS33 is well suited for:

• Heavy-duty trucks

• Long-haul tractors

• Construction and utility vehicles

• Commercial vehicles with 24V DC systems

It is designed for consistent, everyday use in professional driving environments.

Final Thoughts

If you are looking for a 24V DC rooftop air conditioner that offers:

• Strong and reliable cooling

• Quiet, energy-efficient operation

• Performance in high-temperature conditions

• Simple installation with standard fittings

• Durable construction for long-term use

The Colku RS33 Rooftop Air Conditioner is a dependable solution for improving cabin comfort in heavy-duty trucks.

It’s built to perform where it matters most — on the road, day after day.