Broan.
Unlike traditional thermostatically controlled attic ventilators, the Solar-Powered Attic Ventilator activates first thing in the morning to remove overnight moisture before heat builds up. A 20-watt PV panel powers the unit and can be mounted away from the ventilator for optimal positioning. The unit can ventilate up to 1,600 square feet of space. 800.558.1711. www.broan.com.
 

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