Advent ACM135 Rooftop Air Conditioner, White; 13500 BTUs; Rigid, Metal Constructed Base Pan; Premium, Thick, Watertight Vent Opening Gasket with Six Dense Foam Support Pads This high quality 13,500 BTU Rooftop air-conditioning unit has been specifically engineered and designed from the ground up to withstand the challenges associated with the RV environment Key Features Rigid, metal constructed base pan Premium, thick, watertight vent opening gasket Six dense foam support pads Three fan speeds Installs in standard 14.25" x 14.25" vent opening Optional plug-in heat strip available Specifications A/C Energy Requirements: 13,500 BTUs Power Source: 115 Volt AC power Weight: 50 lbs