Perfect aire 1PAMSCH18 18,000 BTU multi-zone indoor Ceiling cassette, low noise airflow. Perfect aire's multi-zone indoor Ceiling cassette is equipped with the highest-quality materials for efficiency and dependability! unit features; self-diagnosis function, refrigerant Leak Detection, low noise airflow, 18,000 BTU cooling capacity, 18,000 BTU heating capacity, horizontal Auto swing, compressor heating belt, timer and sleep mode, Auto restart function plus Auto defrosting, eco-friendly refrigerant and is cetlus listed! today's consumer desires more, expects more and demands more when spending their disposable income and perfect aire delivers on all counts. When you need the best, look no further than perfect aire! quality products and unmatched customer service are the key drivers behind perfect aire. From dehumidifiers, Humidifiers, and an assortment of portable, window, and through the wall air conditioning units, perfect aire offers products suited to a wide range of needs. Should you need any support with our products we are more than happy to assist you, Please contact us at 877-365-6274 or email supportatperfectaire. US