Efficient Cooling for Large Spaces: This RV air conditioner delivers rapid cooling with a high-performance 13,500 BTU compressor, 3956W power output, and R32 refrigerant, effectively cooling RV spaces up to 107.6 sq. ft. Enjoy a refreshing breeze within just 10 minutes of activation Cooling and Ventilation Options: Choose from 3 modes: Auto, Cooling, and 3-Speed Fan. The Auto mode adjusts between cooling and fan operation based on the ambient temperature, while the fan mode is ideal for reducing humidity. This RV AC unit is equipped with a timer function and easily controlled via a simple, intuitive panel Easy Installation: Featuring a ductless design and optimized air distribution box, this RV roof air conditioner is easy to install. It fits standard 14.25 x 14.25 inch rooftop vents for straightforward roof mounting. Note: Not compatible with ducted RV systems Quiet Operation: Enjoy peace and quiet with ultra-low noise levels of just 65dB