DeLonghi PAC-WE125 12,500 BTU Water-to-Air Portable Air Conditioner: The DeLonghi PAC-WE125 has 12,500 BTU R410a eco friendly refrigerant gas Portable air conditioner has water descaling filter Remote control included 24 hour digital timer 1150W input power Electronic controls with LCD display Model # PAC-WE125 BTU Guide: 5,000-5,200 BTUs is suitable for 100-150 square foot rooms 6,000-8,000 BTUs is suitable for 151-350 square foot rooms 10,000-12,000 BTUs is suitable for 351-550 square foot rooms 15,000 BTUs is suitable for 551-700 square foot rooms 18,000 BTUs is suitable for 701-1,000 square foot rooms 24,000 BTUs is suitable for 1,001-1,500 square foot rooms ENERGY STAR qualified appliances incorporate advanced technologies that use 10 to 50% less energy and water than standard models