10 watt solar panel or panel with appropriate output for multiple fans if you so choose.
Diy solar attic fan.
Here is a diy solar attic fan project for 60.
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.
The compact unit is quiet and fully operational right from the box.
A solar powered attic fan may not be right for everyone s particular situation but definitely worth looking into.
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.
Build a solar attic fan for around 60 a piece.
This was causing condensation inside the shop along the bottom of the insulation.
Since i m cheap i refused to pay the 300 for a manufactured solution.
Walmart in lubbock tx sells them for 11 a piece.
They are 10 watt fans.
The attic space in the shop was reaching temperatures of over 130 degrees.
Small automotive fan that you would normally find mounted to the dash of a car or truck.