Differences between revisions 8 and 17 (spanning 9 versions)

Sun power/heat generation

Solar Water heating

Two main types, flat-pannel or vacuum tube, both can be gravity or forced.
- Comparison between the two ITS-SOLAR-flat-plate-vs-evacuated-tube1.pdf
- Explanation of how the vacuum tube works ITS-SOLAR-how-does-an-ethp-solar-collector-work4.pdf

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-  ⇤ ← Revision 8 as of 2009-05-31 15:22:12 → 
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+   ← Revision 17 as of 2010-04-11 15:17:51 → ⇥
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+ * Panels
   * Thin-film amorphous silicon panels are 6-10% efficient. (perform well in high-temperature and shaded conditions)
   * crystalline panels 10-14% 
 * [[http://www.eskomdsm.co.za/|Eskom Demand side management]] rebates
 * [[http://www.flexopower.com/|Portable power solutions]]
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+ * [[http://www.popularmechanics.com/technology/energy_digital/4276071.html|hydrogen from sun light ]]
 * [[http://www.heliovolt.net/|Urban Solar Solutions]]
 * http://www.plumbing-geyser.co.za/
 * http://www.sustainableprojects.co.za
 * http://www.solarmetrics.co.za

== Solar Water heating ==
 * Two main types, flat-pannel or vacuum tube, both can be gravity or forced.
      * Comparison between the two [[attachment:ITS-SOLAR-flat-plate-vs-evacuated-tube1.pdf]]
      * Explanation of how the vacuum tube works [[attachment:ITS-SOLAR-how-does-an-ethp-solar-collector-work4.pdf]]

== Sub metering ==
 * http://www.metro-technology.com/submetering.html
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+ * Designing underfloor water heating [[attachment:/eco/ITS-SOLAR-underfloor-heatingAfripex.pdf]]