115V RV Rooftop Air Conditioner Heat&Cool Electric Camper Truck Van 15000BTU. 12v Rooftop air conditioner. 24v rooftop air conditioner. 12v RV Rooftop air conditioner. 24v RV Rooftop air conditioner. 【Battery Driven】 This A/C is driven by 115V, even you are parking or your car engine is off, you can still use it.