About manufacturer and its solar fans: Solar fans from SunRise Solar have been awarded a “Most Valuable Product" by Building Products Magazine 2 years in row, a “Best Product" by BUILDER News Magazine, and "Energy Patriot Award" by US Senator Richard Lugar.  

Specifications:

• Solar Panel: 15-watt crystalline with tempered glass [The appearance of solar panel may not be exactly as shown on pictures.]
• Power source: Solar panel collects sun energy, generating electricity to operate the fan
• Motor: One 12-volt DC with external brushes [Operating range: 1 to 38 volts]
• Fan blade: 12” diameter, 5-blade aluminum with balanced hub
• Hardware: Stainless steel motor brackets, fasteners, and screen. Aluminum rivets
• Top and base: UV-Stabilized ABS plastic with acrylic cap (paintable)
• Air flow: Effective for attics up to 1,600 Square Feet. Can move up to 1050 cu. ft. per minute in full sunlight.
• Fixed Thermostat included: Yes (On when reaching 80° F. Off when dropping to 65° F )
• Unit dimension: Curb Base: 20.25" x 20.25" (inside curb dimension: 20” x 20”), Height 7”, Top 25.5” x 21.25”, Weight: 15 lbs
• Application: For low-slope or flat roofs. Must be mounted on a field-built curb.
• You Pay Only $ 416.50 after Federal Tax Credit  ......... Low  Price !