It seems like every year the summers keep getting hotter and hotter. Don't be stuck in warm weather without an ac unit. The commercial cool 13,500 BTU portable ac unit will be able cool down large rooms or a garage. You're not just getting an ac unit; it's a 4-in-1 ac/heater/dehumidifier/fan allowing you ultimate control of your room's environment. The dehumidifier can pull up to 72 pints of water from the air a day. It has three fan speeds and three cooling speeds to adjust to how cold you would like your room. It also comes with an auto 24 hour timer to that will turn the unit off just in case you forgot before leaving on a long trip. It also has a sleep timer letting you leave the unit on while you go to bed. It even has an auto evaporation system that will prevent it from over flowing with condensation. This unit is mounted on four casters that give you easy mobility throughout the room. Don't worry about having to get up to change the settings though. With the full function remote you can control the temperature from your favorite chair. This ac unit has it all going for it; it uses a r410a refrigerant.