20 watt Solar Energy Powered Roof Mounted Air Exhaust Ventilation Fan with Rechargeable Battery for 24 hours working

Product Characteristics & Functions Description:

1) Powered by green & free solar energy, operating at ZERO commercial energy costs.

2) Once Pay, Forever Use!

3) Installed Easy, No cable wiring, No maintenance!

4) Quiet and Safely enhance indoor air circulation to provide a more cozy living environment.

5) Remove harmful elements like excess heat, moisture, dust, toxic mould to prolong indoor appliances' lifespan.

6) Power storable & rechargeable, for 24 hours working ceaselessly!

Our Full Series Standard Model Selections:

* 12 inch / 14 inch air duct

   (12 inch / 14 inch Aluminum fan blades)

* 12 watt / 15 watt / 20 watt / 30 watt / 32 watt / 35 watt polycrystalline or monocrystalline solar panel

   (solar panel adjustable rotatable or fixed firm)

* square shape / round shape galvanized steel in powder-coating finished fan housing

   (Black / Green / Orange / White 4 options as color selection)

* regularly sunny days working only / innovatively both sunny & sunless days all working nonstop functions

Product Structures & Materials Display of the Ventilator SN2013008:

Here shows the product fan housing in Square shape, the Round shape model is just exactly in the same structure!

The Structure & Functions of the Solar Battery System SN2013011:

Our innovations from existing solar roof fans:

1. Patented Turbine Air Draft Structure Design, for a Higher Venting Efficiency!

  The greatest funtion of this patented turbine air draft design is no outside airstream interferes nor winds' flowing backward.

2. Power Storable & Rechargeable, can work continuously at night & in cloudy periods!

MORE CLEARLY...

3. Flexible Solar Panel, can adjust angle & rotate direction to capture most direct sunlight all year round to have best ventilating funtion of the fan!

Product Service Life & Warranty:

* Metal Casing: service life 20 Years, warranty 15 Years

* Solar Panel: service life 25 Years, warranty 15 Years

* Brush DC Motor: service life 20000 Hours, warranty 2 Years

  Brushless DC Motor: service life 6-7 Years, warranty 5 Years

* Battery: service life 5 Years, warranty 2 Years

The hereby 20 years lifespan of metal casing is basing on the product be used in regular residential housings, but not in those extreme condition places with acid and alkali corrosive gas / liquids.

Our Customerization Services:

On adding thermostat / fan guard

More information concerning the production & package

package...

The applications & roof mounting effect
 

Thank you very much for reading our above brief product introduction.  Should there be needed further details, please don't hesitate to contact us!