Eco- fans optimize heat distribution
Stoves are good a radiating the heat, but can sometimes leave parts of the room cold while, closer to the stove is lovely and warm. I have lived on several Narrowboats, essentially like living in a long corridor, and after many cold winters on the cut I highly recommend them. Some people see them as expensive, but I think they are a highly
Note: The fan will run slowly on a hot radiator or on top of a hot cup of tea/coffee, which makes it ideal for class room demonstrations.
The Peltier-Seebeck effect
The peltier cooler in this fan uses the Peltier-Seebeck effect. In 1821, Thomas Johann Seebeck discovered that a solid metal bar that had a large temperature difference between the two ends produced an electric current. In 1834 Jean Peltier took this discovery further by observing that two different metals or semiconductors that are connected in a particular way (Peltier junctions) could act as a heat pump if electricity was passed cross them. In other words heat would be pumped from one side to the other, creating one cool side and one hot side. Peltier coolers are often called thermo-electric coolers (TEC).