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  • Solar Attic Fan 20-watt with 25-year warranty
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Solar Attic Fan 20-watt with 25-year warranty

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Price: $329.70 + $18.00 shipping
In Stock.
Ships from and sold by Big Frog Mountain.
  • Industry Leading 25-year limited warranty on entire unit
  • Highest quality materials in any Solar Attic Fan on the market
  • Optional snap-on thermostat for use in colder climates
  • No wiring required
  • All necessary installation hardware included
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3 new from $329.70
$329.70 + $18.00 shipping In Stock. Ships from and sold by Big Frog Mountain.

Frequently Bought Together

Solar Attic Fan 20-watt with 25-year warranty + Solar Attic Fan - Thermostat ( for Natural Light Brand Fans Only) + Solar Attic Fan 10-Watt - Natural Light with 25-year Warranty!
Price for all three: $631.34

Buy the selected items together


Product Description

Natural Light 20-watt Solar Attic Fan - Gray Color Features: The environmentally sensible solution that can protect your home and save you money! EASY INSTALLATION - NO WIRING • Reduces cooling load on AC units • Operates on free solar energy • Adjustable solar panel • Three models available to fit all roof types • Powder coated aircraft grade aluminum • Best warranty in the industry 25-year warranty on solar panel 25-year warranty on housing 25-year warranty on motor Warranty from Natural Light. SOLAR ATTIC FAN WITH 20 WATT MODULE. INCREASES CFM TO 1200. Venting capacity of 1800 square feet of attic space per fan. The 20 watt solar panel is 16.5" x 19.75" This solar unit may qualify for the 30% federal solar tax credit. Begin saving electricity today!

Product Information

Technical Details
Part Number SAF-20
Item Weight29 pounds
Product Dimensions27.2 x 27.2 x 11 inches
OriginUSA
Item model numberSAF-20
ColorGray
StyleTraditional
  
Additional Information
ASINB001OULVQM
Best Sellers Rank #28,490 in Home Improvement (See top 100)
Shipping Weight35 pounds (View shipping rates and policies)
Date First AvailableJanuary 2, 2009
  
Warranty & Support

Product Warranty: For warranty information about this product, please click here
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Customer Questions & Answers

Customer Reviews

Feel free to ask me questions by replying this post.
James S.
I wanted to measure how effective the fan is, so before installation measured temperatures in the attic, as well as in the house and outside.
DB
So far so good, I'm happy with the ease of installation and can say the product works as advertised.
RG

Most Helpful Customer Reviews

136 of 140 people found the following review helpful By Mike Hall on June 27, 2009
The product sold here is a 20 watt panel unit manufactured in Phoenix, Arizona by Natural Light Systems ([...]). Unless you have a small attic space, I recommend that you buy this version over the 10 watt model.

BACKGROUND
I have a house with a moderate pitch (I believe about 15 degrees or so), with a black asphalt shingle roof, located in Mountain View, California. When re-roofing the house a few years ago, the contractor recommended installing several small "eyebrow" vents opposite each other along the ridges. They take advantage of the Venturi effect to exhaust hot air. They really weren't sufficient, though. Wind turbine ventilators were too small to retrofit and obtrusive, and over the years I've 1) installed (and removed) a gable fan (noisy and inefficient), and 2) finally re-engineered a large Vornado fan to direct exhause out of a leeward vent. But it was still a bit noisy and used electricity, of course.

Hence, the search for a low-profile solar attic fan, though, I did consider a new passive system from Aura ([...]). That company also has a solar panel version, though there are some features I don't particularly care for. I installed the solar attic fan on the leeward side of the house, facing due south, in place of an eyebrow vent, in the center of the house. I sealed up the opposite windward eyebrow. There are sufficient air intake vents (or soffits). Total attic volume is somewhere between 1,500 and 2,500 cubic feet.

PROS
Simple and straightforward engineering. This unit comes with a single well-designed fan. One brand that I nearly bought, from Aura, is cluttered with several little CPU fans tucked inside the unit.

One piece heavy gauge stamped aluminum body with no seams.
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55 of 55 people found the following review helpful By retired early on July 4, 2009
Yes, recently purchased Two 20 watt fans and had pro install these . Average high temp in Mesa Az in July and August is 107. The average temp in my attic was between 155 and 160 degrees. The square footage of my attic space is around 2800 feet. He installed one fan on the back (Southern exposure), the other one on the western part of my roof. Fan is well made ,complete with German made DC motor. Since it was installed my attic temp is now between 115 and 120 degrees at the hotest part of the day. Two bedrooms that were always hard to keep cooler are now cool. The a/c now during the day and night is working less. And when the a/c would come on before it would blast out a hot surge of air first (because a/c venting is in the attic)then start to cool down. Now when a/c turns on a little warm air comes out first then cool air.Also, fans are very quiet . I had an installer referred to me by the maker of this fan Natural light of Phoenix Az.It cost me more ,but this fan and installation is very good. I should have purchased this product years ago. Stay healthy and cool Retired Early.
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50 of 53 people found the following review helpful By Twins Daddy on August 20, 2010
Length: 0:57 Mins
I was unsure if a solar powered attic fan could sufficiently cool our attic during hot Atlanta summers. Last month our powered attic fan went out and on sunny 95 degree days, the FLOOR of the attic can reach 135 degrees and it becomes difficult to cool the upstairs bedrooms in the evenings. I originally found the 10-watt US Sunlight solar attic fan at Costco "on sale" for $270. Then I started reading that 10-watt panels are underpowered and 20-watt or above are more desirable. I've directly compared the 10-watt US Sunlight and 20-watt Natural Light fans (see my uploaded photos) and while it's tough to quantify just how much more air the 20-watt fan moves, I can tell you it is a significant difference...So I returned the 10-watt fan.

Next, I had to overcome my doubts of whether or not this 20-watt fan can do the job in our 1,500 sq ft attic with a 10/12 pitch roof. With 1,500 sq ft lower and upper living levels below the attic, a lot of hot air is generated inside the home during the day. The last thing we need is more hot air penetrating the attic floor into the living areas. While I wanted to Go Green and replace the powered fan with solar, what would happen if the solar fan just couldn't exhaust enough hot air? I'd have to replace the (expensive) solar fan or install another fan or consider some other undesirable option. Then it hit me!

PROBLEM SOLVED! How about installing the 20-watt solar fan near the roof ridge and at the same time install a powered fan in a lower, staggered location as "backup"? The solar fan would do the bulk of the work during the day from the moment the sun comes up until it sets and the powered fan would only come on during hot & cloudy days or just after sunset or on extremely hot days when the solar fan alone might not be enough in these situations.
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20 of 21 people found the following review helpful By Home Improvement Guy on April 28, 2011
Verified Purchase
I purchased the 20-watt kit along with the thermostat on March 19, 2011, and installed it on April 2, 2011. The install took 4 hours. For reference I live in a 1400 square foot home.

It works as advertised. A great product.

My 2 minor complaints:

(1) The finish of the product was below average, as one of the bolts that held the base together stuck out too much and would clip the fan blades. A simple fix (I hacksaw a 1/4 inch off the bolt), but quality control at the assembly plant should have never let this happen.

(2) The kit should have come with a roofing sealant to seal the "top" (exterior) of the install. The kit comes with a silicone sealant for underneath the base, but I ended up having to climb off my roof, and drive over to the Home Depot to pick up a tube of Henry's 209 mastic/sealant. I am confident that this extra step will prevent any water from leaking into my attic space.

I hope this review helps.
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