SOLAR
TODAY

VOL. 22, NO. 7 NOVember/december 2008 sOLartOday.Org

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r. carter scOtt

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SOLAR TODAY is printed with vegetable ink on paper containing 100 percent post-consumer waste. the paper is produced at a biomass-powered mill.

setH masia

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Features
26 CaSe StUDy: the Zero-energy Home Challenge
How competing in a massachusetts homebuilding com-
petition reshaped one builder’s approach to affordable
high-performance homes. by r. carter scott
32 CaSe StUDy: Solar Saves for Renters and Landlords
energy upgrades cut costs for an affordable-housing
development in colorado. by seth masia
34 CaSe StUDy: Fitting Into a Mountain environment
How a retired silicon Valley executive built a house
that soaks up the sun. by suzanne Johnson
42 Selecting your Solar Water-Heating System choose
the one that’s right for your climate, water demand and
wallet. by barry L. butler, Ph.d.
48
taste of Solar tour an estimated 150,000 people
toured homes and businesses in 49 states on the 2008
ases National solar tour.
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Renewable energy tax Credits extended at the last
minute, congress renewed the investment tax credit
through 2016, and lifted the cap on solar electric.
by seth masia
Coming Next Issue
Renewable energy pioneer and visionary Denis Hayes
describes why, to truly counter climate change, the United
States must revolutionize its entire energy strategy.