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Wenzhou Sunuse Electric Technology Co., Ltd.  

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Warehouse Attic Solar Powered Ventilation Fan , 20Watt Solar Exhaust Fan 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: SA20

Strong Stability Solar Attic Fan 20w Easy Installation And Multiple Protective Quick Detail:Hail resi

Strong Stability Solar Attic Fan 20w Easy Installation And Multiple Protective
Quick Detail:

  1. Hail resistant solar panel
  2. 20W Solar panels Resistant to fading and rusting.
  3. Whisper quiet 14" fan blade.
  4. Brushless DC 17V motor with resettable thermal overload protection.

The solar exhaust Fan automatically regulates itself. When the sun is low in the morning, the fan runs slowly.  
As the Sun gets higher in the sky, your fan will automatically speed up to dissipate the extra heat.  So, during the hottest part of the day, your fan is running at its fastest speed.  
And at night, it automatically shuts off.  In addition, we include an 85 degree thermosat already installed!  It will turn on the fan anytime your attic is above 85 degrees and there is sun shining.  This greatly increases the life of the unit because it will not run when it is not needed.

  •  It can be used to ventilate, refresh air and draw out moisture in workshop, storage and all kinds of attic(roof).             
  • Reduces attic heat buildup in the summer
  • Reduces attic moisture in the winter
  • Reduces ice damming
  • Helps create a balanced, more energy efficient home.

A: With this high quality attic fan, you will dramatically cut your cooling costs in the summer.
B: Extremely quiet: no harmonic hum typical of electric powered fans.
C: High-quality solar panel, heat resisting, high pressure resistant, stable, with long service life.
D: Sealed shell design. Anti-UV material is added in the outside shell. Perfect weather fastness, durable.
E: In the summer,it will dramatically decrease the amount of time that your air conditioning needs to run. 
F: Since it is all powered by the sun, you will get these benefits at no cost to you!
G: It also provides needed ventilation to decrease moisture and water vapor in your attic. 
H: Combined with the decreased attic temperature, can increase the longevity of your entire roof system.


Technical Parameter

Design Life
Solar panelPeak power(W)20W20-25 years
Peak voltage Vm(V)17.28
Peak current Im(A)1.16
Open-circuit voltage Voc(V)21.24

Short-curcuit current Isc(V)

BLDC MotorInitial power≤0.45WContinuous work:
above 20000 hours
Multi-shift air regulationPls follow the instructions to use

without load current

0.20A MAX
Rotor inertia effect730g*cm2
Noise45 dB(A)MAX

solar ventilation fan’s Life & Warranty: 

Fan guard500x500mm,H 122mm.5-8 years
Integration of injection molding(ABS).
The sheating material adding anti UV ingredient.
Good weather resistance, durable.
Base plate1.5mm thick steel plate, outdoors spray.10-15 years
Fan cover and base firmly together.
High reliability, wind-resistant, anti rain.
Base adjustable angle.
Fan bladeFan blade manufacture using CFM.8-10 years
The highest output of five wing.
Diameter 30cm,ultralight,long life.
Precision balance blades, aluminum material.
Be able to all kinds of weather conditions.
Protecting coverStainless steel wire screen protection.10-15 years
Prevent debris, bug, bird and small rodent.
Meanwhile let the air circulate freely.
ThermostatMetal thermostat.3-5 years
Attic air temperature: equal to or higher than 25 °C to 30 °C.will setting a temperature point and the corresponding fan switch.
Adjustable support0-60°10-15 years
Test result:Ventilation volume:1255CFM
Wind resistance:170 mph
Host Dimensions580x580x210mm, (Note:1*40 feet container Load 432pcs.)

Terms of sale:
Items are in stock at time of listing but are offered to other retailers & occasionally go on back order or sell out. Please don't hesitate to ask us prior to ordering whether or not the item is still in stock.
Goods are ship directly from the warehouse so will be subject to condition on the day of shipping, (No Local Pick Ups!).
In the event that we are unable to supply the goods due to unforeseen factors i.e sold out or on back order,we will inform you of this as soon as possible and  we will pay liquidated damages to you.Please don't leave unfair feedback as we are upfront about the possibility of this happening.
When you receive your goods, please inspect them for any damage during transit, if any damage is found just refuse the item and explain the reason to the driver, then report the said damage to us within 48hrs via e-mail.
If all is well please leave feedback, so we are aware that you have received your goods and satisfied.
Please note that should problems occur, contact us first via e-mail giving full details of the said problem.
If we haven't been notified by you of any problems 14 days after receiving the item, we will assume your happy with your purchase/arrived safely & as described.
Customer Feedback
My attic fan works,and didn't shut down once the sun went down, so if I wasn't home would still run all night.
I bought this because the price wasn't too bad. I am very happy with it. It works consistently, and I measured the temperature in my attic and the fan runs things well.
If you have a steep roof, I would suggest hiring a professional. But the fan itself works very well.
This is a solid fan. We've had ours running for over a year and it is very quiet, sometimes it's difficult to know when it's running but every time I check it (which isn't that often) it's running like a champ.
I can feel the air being pushed out when I'm on the roof. Also, it's been through a full year's weather and the black has not faded.
Customization Service:

 Mr. Sophie

Tel: 86-577-57181685
Contact to this supplier

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Company Info

Wenzhou Sunuse Electric Technology Co., Ltd. [China (Mainland)]

Business Type:Manufacturer
City: Wenzhou
Province/State: Zhejiang
Country/Region: China (Mainland)

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