RounBackFlat, Attic ventilation solution, USRNB-001-002

United States/Fans: Attic Exhaust Fans/RounBackFlat Spec Sheet (.pdf) General Characteristics of Round Back Roof Mounted Power Attic Ventilator, RounBackFlat. The Round Back Attic Fan is a small low profile residential fan. It will exhaust air continuously even when the motor is off. It also works passively because of the Stack Effect. This occurs when the outside temperature is colder than the inside temperature. Hot air rises, so the warmer, indoor air is buoyant and presses upward to exit through the fan. As a result, allowing air to freely flow in and out. As a result, allowing air to freely flow out. This residential attic fan is perfect for removing hot humid air from the attic during the summer. In adittion, it will remove moisture from the attic during the Winter. This will help to complete proper attic ventilation. The Round Back Fan is ideal for venting out bathroom fans or range hoods. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph.