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Green or not? Test your eco knowledge

Published On: Apr 22 2013 09:27:50 AM PDT   Updated On: Apr 22 2013 09:33:52 AM PDT

As you celebrate Earth Day 2013, find out if you're living as "green" as you think.

Green or Not - Solar Attic Fan
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A solar attic fan requires no electricity, cooling your attic with the use of solar power. A 30 percent federal tax credit is also available on purchase and installation costs through 2016. But they're also expensive at $400-plus per fan, and studies have shown you'll need at least two or three to make a difference on cooling costs.

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