Shop Midea 10000-BTU DOE (115-Volt Black Vented Wi-Fi enabled Portable Air Conditioner Cools 300-500 Sq Ft in the Portable Air Conditioners department at Lowe's.com. The Midea Ultra Quiet DUO Smart 12,000 BTU (10,000 BTU SACC) portable air conditioner has the power to cool, dehumidify or circulate up to 450 square feet with