Sunbelt Rentals offers Ton Portable Air Conditioner AC Unit Rentals. Choose a compe.ively priced AC Unit for many cooling applications..Portable air conditioner is convenience in usage and customers can start using the product immediately after purchased, portable air conditioner is also extremely useful in providing cooling to equipments or operations like computer controllers and CNC equipments.This Haier , BTU cooling portable air conditioner features quiet cooling ample to cover a room about sq. ft. Also the air conditioner functions as a dehumidifier removing up to pt. of moisture.Portable Air Conditioners Spot Coolers Rental. Need to rent air conditioners or spot cooling units? The temperature rises each minute the air conditioning system is down..