BriskAir rooftop air conditioners are all you need for RV cooling. Low amp power draw models allow you to run other appliances and still have power to spare. Quiet three-speed blowers deliver the right amount of cooling with minimal noise intrusion. Uses EPA compliant 410A refrigerant. Price includes standard Control / Air Distribution Box to fit 14" vent opening and roof mounting seal; nothing else to buy. Ships by motor freight; MUST BE DELIVERED TO A COMMERCIAL ADDRESS.