Broan 355SO Roof Mounted High Profile Solar Powered Attic Ventilation Fan, Up to 1600 Sq Ft, 5 Year Warranty, 20W Solar, Flush Mount

Item #: BCI1202591

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Technical Specs

Installation Guide
Specification Sheet
Attic Size 1600
Configuration Exhaust Fan
Country Of Origin USA
Dome Length 21.75
Dome Material PVC
Dome Width 25
Function Attic Fan, Solar
Height 7.5
Includes Thermostat No
Inlet Area 4.25
Installation Type Roof Mounted
Length 20
Made in America Yes
Solar Yes
Width 25.5

Roof Mounted High Profile Solar Powered Attic Ventilation Fan, Up to 1600 Sq Ft, 5 Year Warranty, 20W Solar, Flush Mount

All attic fans, powered or solar vent out the hot air built up within the attic, but a solar unit offers additional benefits not possible with a powered product. Because a Broan Solar PAV turns on at dawn, it goes to work immediately, first to eliminate the moisture that has built up from the cool overnight air, and second, to prevent heat build up before it has a chance to build up to the point of convection. A standard PAV has to reach a high temperature before the thermostat kicks in and tells it to start working. By this time the moisture has already worked its way into the insulation and the walls, doing its damage. Because it has to play "catch-up" the PAV is already starting out at a disadvantage and must run all day. Driven off AC power, a PAV can be noisy emitting "harmonic noise", and although it is possible to override the thermostat and let it run, the motor is not designed to handle this constant demand.

  • 7-1/2" High Profile, Flush Mount Design
  • 20 Watt, State-Of-The-Art Solar Panel Circuitry Captures Sunlight Even On Overcast Days. Totally Weatherproof Panels Designed For Optimum Efficiency Constructed Of Tempered Glass To Resist Hail And Extreme Weather Conditions
  • Dome And Base Molded With Uv-Stabilized Abc Color-Dyed Plastic To Prevent Damage From Sunlight And Provide Greater Stability. Low Profile, Square Design Integrates Well With Shingles
  • Hurricane Rated To 140 Mph Winds
  • Quality Hardware Used Throughout. 16Awg Stainless Steel Brackets And Bolt, Nuts And Self-Tapping Screws For Stability And Long life
  • Whisper-Quiet, Direct Current, Variable Voltage, Sealed Ball Bearing And Hardened Shaft Motor With Steel Motor Housing Dynamically Balanced For Superior Performance
  • Specially Designed One Piece, 12" Aluminum 5 Blade Fan Pitched For Maximum Air Flow.
  • Heavy Gauge, Stainless Steel Bird And Rodent Screen With 1/8" Openings Provides Maximum Protection From Insects And Animals Without Impeding Air Flow.
  • One Unit Ventilates Attic Spaces Up To 1600 Sq Ft
  • 5 Year limited Defective Parts And Labor Warranty
  • Operates Quietly With No Harmonic Noise

Additional Broan Links

Our SKU: 355SO

This product is listed under the following manufacturer number(s):

  • 355SOBK*
    Black
  • 355SOBR*
    Brown
  • 355SOWW*
    Weather Wood

*Denotes a finish or option that has been discontinued

2 Questions from the Community

  • Where can I find the thermostat that works with this?

    A. The thermostat for the Broan 355SO can be found as Broan CWT50.

    56% of 39 people found this useful. Was this useful? yes (22) | no (17)
  • Why do I have to buy a Thermostat, doesn't the unit have one built in? If not, how does it know to turn on or is it always on?

    A. The Broan 355SO turns on when the sun hits the solar panels. That is why you need the thermostat to turn the fan off once the temperature falls below 50F.

    70% of 23 people found this useful. Was this useful? yes (16) | no (7)

Product Reviews

Roof Mounted High Profile Solar Powered Attic Ventilation Fan, Up to 1600 Sq Ft, 5 Year Warranty, 20W Solar, Flush Mount 5 5 3 3
wish I had seen this before roofing my house I had to set up the estimates and hire the roofing contractor for my mothers house. It wasn't a big job but since there was no roof vent and improper ridgeventing on top of that all the plywood had to be replaced. I had to make sure to protect her roof this time so I looked at an industrial type, stainless nutone stack fan like I have on my larger house which was about $225 but getting an electrician to wire the fan down to a kill switch in the house to code plus proper, separate breaker was going to cost $300 plus parts, then I found this unit. The roofer agreed to cut a hole and drop it in when he was redoing the plywood so the install cost $0 and he was amazed how strong and quite the fan was so much he got the model number and where I got it and he has sold two more, every job he has done since my mothers house. You get 30% back in the form of a Fed tax rebate this year. If you are in the northern part of the country, like us with dry winters get the optional thermostat control that turns it off when the attic dips under 50*, that will keep some of the attic warmth when you are heating your home and moisture is not an issue, it is Broan # CTW50, they don't have it listed online but if you call a rep they have it at VentingDirect as well. Don't do a roof without one of these or you will regret it, whisper quite, one single fan will vent a normal roof, 30% tax rebate, never need power to drive it during long hot summers, the way I figured it it will pay for itself over a standard electric fan in 3 years! August 14, 2010
Going GREEN and starting from the top I am so glad I found this product. It didn't seem right to just install a typical noisy electric fan. This unit is so quiet. When I took the cover off to expose the solar panel it was running full steam and all I heard was a light rushing sound of air. Works great so far keeping our attic cool during these past 90+ degree days. Looks great as well. See photo. August 7, 2010
FAN-TASTIC Solar Attic Fan Purchased the Broan 355SO Solar Attic Fan. Customer service at Venting Direct was very helpful in obtaining the new optional thermostat for this unit and having it shipped in the same box from the manufacturer. I watched some install video's on You-tube along with the included instructions making the install in less than 1 hour. 1/2 hour was spent being scared to death on such a high roof. I was a pro after the install. The unit is a great value and construction made real well. I actually had to feel the side of the unit after I took off the cardboard from the solar panel after install to be sure it was working. WOW, "whisper" quite just like they said it would be. I tell everyone about this Broan unit. May 9, 2010
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Warranty Info

Broan-Nutone

One Year Limited Warranty

Broan-NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period of one year from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

During this one-year period, Broan-NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service.THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES. This warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than by Broan-NuTone), faulty installation or installation contrary to recommended installation instructions.

The duration of an implied warranty is limited to the one-year period as specified for the express warranty. Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you.

BROAN-NUTONE'S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE'S OPTION, SHALL BE THE PURCHASER'S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes all prior warranties.

To qualify for warranty service, you must (a) notify Broan-NuTone at the address telephone number below, (b) give the model number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the original purchase date.

Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)

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