Product Details. Product Name: Ecooler 2600 No-Idle Truck Air Conditioner. Driven Type: Battery Powered. Installation: Rear Mounted. Refrigerant: R134a. Application: Truck Cab, Semi-Truck Sleeper, Tractor, Trailer, Construction Machinery etc. Kingclima Ecooler 2600 truck parking air conditioner unit is definitely a perfect aircon solution for