air conditioner for Underground hard rock
- Corunclima
- Henan, China
- 2-4weeks
- 500set/Month
Battery driven directly. The A/C can still work When Engine-Off.
Full DC electric, DC12V, DC24V, DC48V, DC72V, DC310V, DC400V, DC500V, DC700V, DC750V etc are available.
DC electric compressor built inside, all in one piece, monoblock type
Main Features
1. 100% DC Electrical A/C,saving 3000gallons diesel per year
2. Monoblock design, no need install mechanical compressor feed by engine.easy to install. Just open hole, fix it, connect wiring, that's it.
3. Save Vehicle fuel&engine power.
4. Fast cooling. 10miutes will feeling cool.
Technical Data
Model NO. | T20B |
Cooling Capacity | 2.8KW/9,500BTU |
Voltage | DC12V/DC24V |
Current | 46A(12V)/35A(24V) |
Evaporator Air Flow Volume | 750M³ /H |
Compressor | Totally-enclosed, DC-powered, direct connection brushless motor |
Controller | Digital/Manual |
Installation | All roof top mounted |
Bunk Heater | Optional |
Applying | Heavy- duty vehicles&machinery with 12V/24V |
Successful Cases




Rugged durability is at the core of this AC’s design, built to withstand the harshest conditions machinery faces. Whether navigating rough mountain roads that jostle equipment with relentless vibrations, operating in dust-choked construction or mining sites, or enduring damp, humid weather, this unit doesn’t falter. Its robust construction resists the wear and tear of heavy-duty use, while the anti-corrosion design ensures it performs flawlessly even in wet conditions—no rust, no malfunctions, just consistent cooling. Dust, moisture, and vibrations are no match for Corunclima’s engineering, making this AC a long-lasting investment that keeps up with the hardest-working machinery.
The rooftop mounting allows for easy installation without sacrificing cabin space, and its streamlined structure minimizes interference with other machinery components. For fleet managers and operators, this means a cooling system that’s as practical as it is powerful—easy to integrate, simple to use, and built to require minimal maintenance. It’s a set-it-and-forget-it solution that lets you focus on the job, not on your cooling system.
Corunclima focus on electric heavy duty air conditioner and electric refrigeration units since 2008. We can provide mature electric cooling solution. We are seeking for dealer worldwide, welcome to visit our factory and cooperate with us!








