The Ecofan is a heat powered fan designed to circulate the warm air created by a wood or gas stove. These fans do not use any batteries or mains power. These fans have a thermoelectric module which acts as a small generator to power the fan's motor. When this generator module experiences a heat differential between its top and bottom surfaces, it pumps out electricity. The base of the fan heats the bottom surface of the module, while the top of the module is kept cooler by the fan's top cooling fins.
Warm air is circulated directly into the living area rather than have most of the stove's heat rise immediately to the ceiling, thereby increasing the heating effectiveness of the stove. Improved warm air circulation results in greater comfort and less fuel consumption.
Many people use Ecofan to help combat dry air by positioning the Ecofan behind a tray of water on the stove top, to boost the rate of evaporation.
The Ecofan starts automatically and adjusts its speed with the stove temperature. As the stove heats up, the Ecofan runs faster to move more warm air into the room. As the stove cools, the Ecofan automatically shuts off.
Ecofan costs nothing to operate.
Using only the heat from the stove, the Ecofan is the most economical way to effectively circulate warm air. It does not plug in, uses no batteries and can be used where there is no electricity.
The unique blade has been specifically designed to deliver a very broad cross section of gentle air movement, instead of a small cone of concentrated air.
The generator module is a unique semiconductor device that relies upon the Seebeck effect to generate electricity. When two dissimilar semiconductors (p-type and ntype) at the same temperature are connected together they establish a static electric potential difference. With the introduction of a temperature difference heat flows across the joined semiconductors which in turn permits electrons to flow. With the electron flow or current comes the ability to power electrical devices such as the fan's motor.
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The Caframo Ecofan® 810 and 812 are heat powered fans designed to circulate the warm air created by a wood-stove operating with normal surface temperatures of between 85°C and 345°C. These fans do not use batteries or mains power.
Increased Efficiency: Warm air is circulated directly into the living area rather than having most of the stove's heat rise immediately to the ceiling, thereby increasing the heating efficiency of your stove.
|Heat Distribution with an Ecofan®
||Heat Distribution without an Ecofan®
Fuel Savings: Testing carried out in collaboration with a leading Canadian university has proven that using an Ecofan® results in fuel savings of up to 18%. For more information click here.
'No Fuss' Operation: The Ecofan® starts automatically and adjusts its speed with the stove temperature. As the stove heats up, the Ecofan® runs faster to move more warm air into the room. As the stove burns down and cools, the Ecofan® automatically shuts off.
Costs Nothing to Operate: Using the heat from the stove, the Ecofan® is the most economical way to effectively circulate warm air. No cables, plugs or batteries are required.
Unique Blade Design - Safe and Efficient: The unique Ecofan® blade is designed to deliver a broad cross section of gentle warm air movement to avoid uncomfortable drafts. The blade is our most efficient blade yet, moving more air at a wider range of stove temperatures. Complies with IEC 60335-2-80 safety standards.
For Optimum Performance of your Ecofan®: Placement of your Ecofan® on your stove top is critical. Be sure to position the Ecofan® on the stove so that cool air will be drawn over the 'cooling fins'. The Ecofan® should not be used directly in front of the stovepipe or at the front of the stove. Place the Ecofan® at the back edge of the stove as shown in the diagram. Should the gap between the rear of your stove and the wall be less than 150mm (6") then move your Ecofan® forward, along the side of your stove and turn it in slightly. This should ensure your fan can draw the necessary cooler air from the rear/side of your stove.