Dometic 641916CXX1C0 Polar White 15,000 BTU Penguin AC for Single Zone LCD Thermostat With a height of only 9-1/2 inches above the roof-line, Penguin II units have the lowest profile of any RV air conditioner. Blower cycles automatically in cooling and heating modes, for complete comfort from 40F on up. 15,000 BTU of Cooling Contoured shroud/solar panel mount further minimizes wind drag. A 3-speed blower motor and washable return air filter produce airflow that is cool and clean.