eBay with buydig has the certified refurbished LG 7000 BTU (DOE)/ / 10,000 BTU (ASHRAE) 115-Volt Portable Air Conditioner with Dehumidifier Function and LCD Remote (LP0721WSR, White) for $220 - 20% off with coupon code SHOPGIFTSEARLY [Exp 10/20] = $176 with free shipping. 

Its estimated cooling area is 300 sq ft.