Dometic 640315C Penguin II 410 Amp Low Profile Rooftop Air Conditioner(Polar White) Cools with R410A refrigerant that releases heat more efficiently Fits Standard 14" X 14" roof openings Nominal Capacity, BTU/hr. 13,500 Electrical Rating 120V AC, 60 HZ, 1Ph Dometic's 2-Year Protection Plus warranty