Ebay offers Used Keystone 12000-BTU 550-Sq. ft. Air Conditioner for $210 (reg $600) after code with free shipping.

Apply Code: TAKE8OFFSALE

Product Description: 
Keystone KSTAW12INV-HC 12000 BTU 550 Sq ft Window Mounted Inverter Air Conditioner with Supplemental heat,White

• Keystone 12,000 BTU 550 Sq ft Window Mounted Inverter Air Conditioner with Supplemental heat,White, KSTAW12INV-HC
• Heating mode is supplemental and NOT meant as primary heat source
• Dehumidifies up to 1.73 pints per hour
• 3 fan speeds
• 18% more energy efficient than average window units