How to Convert an AC Fan to Solar

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You can power an AC fan for ventilation purposes using solar energy. When doing so, use an inverter capable of operating without a battery. The inverter converts the DC electricity generated by the solar panel into AC electricity that can be used by the fan. This simple type of system does not require a battery.

Things You'll Need

  • Inverter
  • Wire nut
  • Electrical wire
  • Solar panel
  • Disconnect any live electricity that may be connected to the fan.

  • Remove any old AC wiring. Screw a wire net onto the end of the wire to prevent shock.

  • Secure the inverter as close as possible to the solar panel. To secure it, screw it to a supporting structure such as a roof rafter. Ensure that you protect the inverter from inclement weather.

  • Connect wires from the positive and negative terminals of the solar panel to the positive and negative DC inputs on the inverter.

  • Connect the new AC wiring between the inverter and the fan.

Tips & Warnings

  • Always follow your local electrical codes when installing permanent electrical equipment.

References

  • "Solar Energy Projects for the Evil Genius"; Gavin Harper; 2007
  • Photo Credit ULTRA.F/Digital Vision/Getty Images
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