DIY Network

How to Install a Solar-Powered Attic Fan

An attic fan can help reduce heat inside a home and overall cooling costs. These step-by-step instructions show how to install a solar-powered fan that's low maintenance.

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  • screws
  • washers
  • nuts
  • wood screws
  • wire connector nuts
  • standard plastic electrical box
  • lumber
  • 12-volt DC attic fan
  • preassembled solar-powered attic fan (kit)
  • Z-shaped bracket mounts
  • 14-gauge electrical cable
  • DC-powered thermostat
  • 40-watt solar panel
  • rubber butyl sealant


  • drill
  • saw
  • pencil
  • tape measure
  • wire stripper pliers