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SunRise 850, 1050, and 1250
SunRise solar-powered attic ventilation fans come in three models, named according to the cubic feet per minute (cfm) of airflow they can produce: the SunRise 850, SunRise 1050, and SunRise 1250. The 850 cfm unit has an 11-watt solar panel built into the cover; the other two require 15 and 20 watts, respectively. They work the hardest when ventilation is most needed, and they’re easier and cheaper to install than hard-wired, motorized fans. They should, of course, be installed with good solar orientation for optimal performance. These fans can be used instead of, or in addition to, ridge or gable vents. Sunrise Solar; St. John, Ind. www.sunrisesolar.net; 219-558-2211.
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