A supplement of SOLARTODAY
VOLUME 25, NO. 8 FALL/WINTER 2011
6 Solar Water-Heating
Edited by Diana Young, Liz Merry
and Barry Butler
iLLuSRationS By KuRt StRuve
10 Solar electric System Basics
Edited by Joseph McCabe, P.E.
the solar-powered pergola on this Champlin, minn., home-office uses 12 180-watt Silicon energy
double-glass modules, providing shading for the patio space as well as electricity.
SOLAR TODAY is printed with vegetable ink on paper containing 100 percent
post-consumer waste. The paper is produced at a biomass-powered mill.
This issue saves:
Energy 208 million Btu
Water 44,595 gallons
Greenhouse Gases 12.5 tons
Solid Waste 12. 2 tons
doN’t MiSS the Next SOLAR TODAY: one massachusetts builder shares his experience in designing a zero-energy-attainable community. and don’t miss our annual showcase of
new solar water-, pool- and space-heating systems.
oN the cover: architect dennis Sovick (on the roof )
designed this home in Fort Collins, Colo., for the o’toole family.
it features a 7.74-kilowatt photovoltaic system, providing about
70 percent of household electric load, plus solar water-heating
and a ground-source heating/cooling system. a t wo-story
passive-solar sunroom forms the center of family life in winter,
with a garden room on the lower level. the family: back row,
dad Kevin, son ian, grandma Phyllis and mom Beth. Front row:
son Paul, daughters abby and audrey. Photo By dan Bihn,
14 Does It Pay?
By Andy Black
Working With an Installer
By Seth Masia
A national list of
local Solar Businesses
in every issue
60 inside aSeS
62 ad index
SOLAR TODAY’S BUYERS’ GUIDE is published by
the american Solar energy Society, ases.org, the
u.S. Section of the international Solar energy Society.