DIY Solar Pool Pump Project
by Rick Kehret
Why:
I'm
compelled to do everything I can to reduce my family's environmental
footprint. As I see it I have an obligation to my children, and all
the children on the planet to do MUCH more than we have been to ensure
they have a decent future. I'm also concerned about the way we produce
and use energy in this country, and the tragic lack of long term
planning for sustainability at all levels of government. It's nice if
projects like this have an financial “payback” but it was honestly a
distant third in my personal reasons for doing this.
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Since ancient times humans have been taking advantage of the sun’s ability to heat water. According to the California Energy Commission (CEC) website, solar-heated water systems were common in Southern California at the turn of the 20th century. In Israel all homes are required to have solar hot water systems. Throughout the world solar water heaters are using the sun’s energy to provide environmentally friendly heat for household water, swimming pools, spas, and even for space heating.
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Passive Solar Design Basics |
For the Northern Hemisphere
Solar architecture has a long
history of use. Some of the earliest buildings in the Southwest that
took advantage of the sun were the Indian cliff dwellings, which in
many cases faced south. This allowed the low winter sun to enter and
heat the mud and stone walls of the apartments inside. During the
summer the cave roof shaded the dwelling from the direct rays of the
sun.
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Photovoltaic (PV) technology produces electricity from sunlight. The
first solar-powered satellite was launched in 1958 by Hoffman
Electronics, and until the late 1970s PV was used primarily to power
space satellites, lights, and small electronics like calculators and
watches. In the early 1990s Germany and Japan initiated long-term
PV-installation incentive programs that resulted in lower costs for
solar power and spurred the growth of robust PV industries in both
countries.
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A number of resources targeted to teachers and education.
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We include a sampling of the many hundreds of worthy books on solar design, electricity, politics, and cooking. These descriptions are taken from publisher descriptions and reader reviews. The American Solar Energy Society has a great print catalog of solar resources at http://www.ases.org |
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