They are 10 watt fans.
Diy solar attic fan.
The compact unit is quiet and fully operational right from the box.
Small automotive fan that you would normally find mounted to the dash of a car or truck.
Walmart in lubbock tx sells them for 11 a piece.
Diy solaratticfan is an eco friendly attic venting system that operates on free solar energy.
Installation is quick with no electrical wiring no expensive electrician and no city permits.
A solar powered attic fan may not be right for everyone s particular situation but definitely worth looking into.
10 watt solar panel or panel with appropriate output for multiple fans if you so choose.
Cut two 13 pieces of wood for mounts and painted them as close to the roof tile color as possible.
Fans must run on dc electricity.
The attic space in the shop was reaching temperatures of over 130 degrees.
Since i m cheap i refused to pay the 300 for a manufactured solution.
There are many simple things one can do to cut down on using electricity in their homes from better insulation to led light bulbs.
Materials nuts dc powered thermostat 40 watt solar panel 12 volt dc attic fan lumber washers standard plastic electrical box wire connector nuts screws preassembled solar powered attic fan kit rubber butyl sealant z shaped bracket mounts wood screws 14 gauge electrical cable.