Heating Cooling Units

Dick Strawbridge?

On Dick Strawbridge Program-its not easy being green they called a fan autopropulsion Caframo Ecofan someone knows how this technology works?

According to this website about them: http://www.allwebdiscounts.com/athome_02.php3 they contain a module thermoelectric (I suppose a Peltier device) which converts a differential heat into electricity. The hot side is heated by a stove wood, the side is cool the radiator fins you see at the top of the device. As heat flows in the base of the unit of the wood stove and out to ambient air through the fins, the movement of thermal energy through the device generates little electricity which is used to turn the fan. Its a great idea, especially since the fan draws cool air, then through the fins and thus increases the difference heat through the device, and these types of devices work more efficiently the greater the difference in heat (up to reach the melting point of the Peltier junction, of course). By the way, if you want to play with this technology there are many different sizes available Peltier Junction Module of Marlin P. Jones and Associates (http://www.mpja.com), an electronics surplus store with a very low minimum order of only $ 15.00

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