Airrex spot coolers operate in air temperatures from 65°F to 113°F. These air conditioners utilize eco-friendly 410A refrigerant. Our spot cooler air conditioners may require a fresh air supply for proper operation. Includes removable, washable air filters for easy maintenance. Thermostatically protected compressor includes high and low-pressure warnings. Moves easily on swivel casters (2 locking). This air conditioner has 12,000 BTU cooling feature with 5" diameter front cold air discharge nozzle and has a 10" diameter top warm air discharge. Optional Warm Air Duct includes 8'L ducting and a 2 x 2 ceiling flange for warm air exhausting. Optional Condensate Pump that plugs directly into the portable air conditioner. 1 Year Warranty. 3 Year LG compressor warranty. All of our portable air conditioners and heat pumps come standard with a dehumidification mode.