"PERFECT AIRE" WINDOW AIR CONDITIONER WITH 8500 BTU ELECTRIC HEAT *12,000 BTU *15A/230V *Perfect for rooms up to 550 sq. ft. *Minimum window height 16.5", maximum window width 27/36" *Electric heater *Full function remote control *24 hour on/off timer *Full range direction *Adjustable temperature setting *Slid out filter access *Auto restart function *Window mounting kit *Warranty:  covers all defect in material and workmanship for one year from the date of purchase. Perfectaire will replace any product found to be defective through an over- the-counter exchange program for the same model. Big Wall Enterprises: 866-996-9255