The Dometic Brisk Air Rooftop Air Conditioner ensures year-round comfort thanks to its powerful and efficient cooling and heating functions. Lightweight and versatile, the Brisk Air can accomodate both ducted and non-ducted operation. Non-ducted application requires a ceiling-mounted air distribution box (ADB). Ducted installations are controlled with an LCD thermostat. (ADB and LCD thermostat are available separately). Polar White color.