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 Small- to mid-sized projects In Part III, I detail a wide range of simple, straightforward solar projects avail- able to the do-it-yourselfers. From installing landscape lighting to a stand- alone photovoltaic powered attic vent fan, you can begin investing in solar today with minimal cost and effort. The small-scale projects feature safe operating levels (typical voltages in a photovoltaic system are so low that you won’t be able to get a shock). And if you’re no good with tools, have no fear. Some of the projects don’t even require a screwdriver — you can buy off-the-shelf solutions that you can use out of the box. You can also do a number of things in your yard to improve the solar expo- sure of your home. Deciduous trees (which shed their leaves in the fall) planted strategically about your house can ensure summertime cooling while allowing solar energy to help warm your house in the winter. Planting bushes in the right spots can reduce the cooling effect of wind, espe...