Truck air conditioner, also known as parking air conditioner, parking cooler, dc air conditioner, and roof air conditioner and backpack air conditioner. It works as backup air conditioning to make the electric AC work powered by battery directly instead of taking power from engine, widely used while parking to save fuel.
The cooling capacity is 7000-8500BTU for 12V, 8500-9500BTU for 24V.
The DEFU SR5 Rooftop Parking Air Conditioner delivers efficient, battery-powered cooling for parked trucks, RVs, campers, and vans. Operating on 12V/24V DC systems without engine idling, it provides reliable comfort in extreme heat up to 43°C . Its advanced sine wave controller minimizes energy consumption, while the brushless evaporator blower motorensures near-silent airflow at just 50–60 dB—reducing noise and extending service life.
Engineered for durability, the unit features a rugged PP/ABS cover resistant to UV, corrosion, and impact. The 7-blade dual-fan systemand oversized aluminum condenseroptimize heat dissipation in demanding environments. With three adjustable fan speedsand a washable filter, users enjoy customizable airflow and cleaner cabin air.
Universal installation adapts to curved or flat roofs via an arced baseplate and high-elasticity seals. Trusted in global markets for its blend of whisper-quiet operation, extended motor longevity, and maintenance-friendly design, the SR5 is CE/EMC certified.
1.Truck Sleeper Cabins: Maintain restful conditions for drivers during mandatory breaks without idling engines.
2.RVs & Campers: Deliver energy-efficient cooling for off-grid adventures using DC power systems.
3.Specialized Vehicles: Ideal for ambulances, mobile workshops, or delivery vans requiring reliable temperature control while stationary.
Rooftop 12V 24V Air Conditioner |
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SR5 |
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Rated Voltage |
12V |
24V |
Current |
50-80A |
35-50A |
Rated Power |
400-750W |
400-850W |
Rated Cooling Capacity |
7000-8500BTU |
8500-9500BTU |
Noise level: 50-60dB |
Refrigerant |
R134a,480+30g Prefilled |
Outdoor/indoorsize |
650*720*150mm/400*225mm |
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Compressor speed |
2400rpm |
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Fan diameter |
300mm |
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Condenser size |
Aluminum,370*390*30mm |
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Evaporator size |
Brush-less motor,480*290mm copper core |
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Package |
81x74x32cm,25kg |
1.Silent Longevity :
Brushless evaporator blower motor operates at ≤60 dB and extends lifespan by 40% vs. brushed motors.
2.Energy Intelligence :
Sine wave controller cuts power consumption by 30%—preserving battery life during extended parking.
3.Extreme Resilience :
Reinforced PP cover withstands 100+ kg impact, UV rays, and corrosion (20+ color options).
4.Climate-Proof Cooling :
7-blade dual fans + oversized aluminum condenser maintain peak cooling .
5.Universal Fit :
Arced baseplate adapts to curved/flat roofs with airtight seals—zero leaks, no professional tools needed.