250W Wall Mounted Solar DC Heat Extractor Box Fan

Solar Powered Large-scale industrial ventilation fan specification

additional Mains Switch Controller to change power suppply from solar panel to city electricity for product to work continuously in cloudy or night periods (add 15m cable to connect solar panel with exhaust fan host)

Product Characteristics & Functions:

1) Clean & Free Solar Energy powered, No commercial electronic consumption.

2) Once Pay, Benefit Long!

3) Cut off conventional monthly boring electricity bills.

4) No manual operation, No maintenance!

5) Value-Added, will pay itself back for you soon after one year.

6) High Quality, Prospective Innovation!

Our advantages / innovations from existing industrial exhaust fans:

1. Direct solar panel power supply, No need of commercial electricity!

- Fan models listed above are a little old, please contact us for the updated options, thanks!

2. Flexible Tailor-Make Service, can add a Mains Switch Controller into product to hybrid use the solar panel supply and public electricity supply to have the ventilating fans work continuously after dark or in cloudy periods.

3. Brushless DC fan motor, less energy loss, smaller consumption of commercial electricity than conventional AC motored ventilating fans.

4. Intelligent Mains Switch Mechanism between solar panel supply and public electricity supply, automatically realized by the Mains Switch Controller.

Standard Model Selections:

- Models in the above are old selections, please kindly contact us for updates, thank you!

How are the fans pay themselves back for you after one year?

- here is just for example, please contact us for real pricing offers, thanks!

We offer Tailor-Make Service, simply tell us your requirements and we'll help you to turn all kinds regular electric industrial fans into cost-free solar exhaust fans!

The related solar large scale industrial ventilation fan now:

If you want to know more about our solar exahust fan, please feel free to contact us, thanks!