PORTABLE A/C HEATER COMBO UNIT - Our 6,000 BTU DOE (12,000 BTU ASHRAE) dual compact air conditioner & heater will keep you cool & comfortable during the summer, & toasty warm in the winter. An adjustable fan speed cools the air up to 55°F, and heats up to 81°F HEATS & COOLS SMALL ROOMS - This portable heat & AC unit provides steady & fast cooling and heating for rooms up to 250 sq. ft. It’s the perfect air conditioner & heater for dorms, apartments, cabins, campers, offices, bedrooms, garages, or living rooms. Ideal to use in spaces that cannot support traditional window-mounted AC units HEATS & COOLS SMALL ROOMS - This portable heat & AC unit provides steady & fast cooling and heating for rooms up to 250 sq. ft. It’s the perfect air conditioner & heater for dorms, apartments, cabins, campers, offices, bedrooms, garages, or living rooms. Ideal to use in spaces that cannot support traditional window-mounted AC units EASY TO USE & CLEAN – The simple remote control & top-mounted LED display with 24-hour timer allow you to precisely control the air temperature. To clean the filter, just slide it out twice a month, rinse it thoroughly under running water, & put it back. 4-in-1 FUNCTIONALITY – Combining 4 energy efficient modes in one small unit (17.1 x 13.8 x 28.1 in.), the COOL, FAN, HEAT & DEHUMIDIFY settings meet all of your home cooling, heating, & ventilation needs. SLEEP, MAX & AIR SWING functions control airflow.