Solar roof ventilation fan round size dc motor exhaust fan 18W 12inch industrial ventilation cooling fan

Made by galvanization steel, with DC brushless motor, and 12 inch Composited nylon-fiberglass fan blades, 7 pcs.

1) Cost-Effective, Once Pay, Benefit Long!
2) Zero operating power consumption cost
3) Wiring Free, Installed Easy & No Maintenance!
4) Strengthen air circulation
5) Extend roofing lifespan
6) Remove heat, moisture & dust
7) Deduct harmful mildews & Prevent ice-dam
8) Reduce the heat load on air-conditioning ducting to help you save money!

We promise the longest warranty time.

Metal Casing: service life 20 Years, warranty 15 Years
Solar Panel: service life 25 Years, warranty 15 Years
Brushless DC Motor: service life >10 Years, warranty 5 Years      

Yes, add a AC/DC power adapter to keep the solar fan work when rainy day or night (means if sunless time)

How can I control the fan on/off?

Normally, the solar exhaust fan is affected by the sun's rays. It starts automatically when there is sun, and stops when there is no sun.

If you need, we can provide 2 switch to chooce：

add a Snap-action Thermostat

to control solar fan work / stop at preset temperature,

if 25 Celsius, on: 25ºC +/- 3ºC; off: 18ºC +/- 5ºC,

if 28 Celsius, on: 28ºC +/- 3ºC; off: 21ºC +/- 5ºC.

add Remote Controller Transmitter

to control solar fan works / stops most flexibly at any time,

includes ON /OFF & 2Hrs/4Hrs TIMED OFF functions
[the fan will resume running automatically after 12 hours from the remote setting time]

No need to hire professional electricians, 3 steps to solve the installation.

Meet wide range of applications:

Veintilation for industrial workshop, residential house, garage, basement, agricultural green house, animal breeding house, livestock feeding shed, tent...

Suit all kinds of roofs installation:

On Asphalt shingle roof, S-tile roof, Metal roof...

Email: jocelynwu@ sunnyintlpowerlt.com

Phone/ Wechat: +86 13437304137

Skype: Jocelyn - Solar Fan

Thanks!