Whether used in your bedroom, dorm, office, or garage, BLACK DECKER® versatile 6,000 BTU SACC/CEC (10,000 BTU ASHRAE) portable air conditioner was designed to keep up to 250 sq. ft. of space cool and comfortable. This unit maintains indoor air circulation, cools air down to 61° F, and dehumidifies up to 60 pints every 24 hours when temps outside are unbearably hot.