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==== Corrugated cardboard panel! ====
 
 * http://www.youtube.com/watch?v=SF_mEoFRSAQ

Appunti sulle Energie Rinnovabili

Passive Solar Heaters

Airmaze

The Air#Maze™ Passive Solar Furnace is a Metal Maze Matrix of 25 Recycled Tin Cans "floating" in Space! The Tin Cans are mounted in an artistic array in a window box 20 inches square and 4.5 inches deep.

Also on that site: Airstick, to circulate air into a room, and other interesting stuff.

Solar Heater

This is a simple one, with a nice "snake" idea:

A great panel, video:

Panels:

Corrugated cardboard panel!

Water heater

Simple explanation

AppuntiEnergiaRinnovabile (last edited 2009-12-07 18:37:02 by asbesto)