Task id12007
Seller: nerdmavr
Price: 0.22 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
By heating the air in a room with an electric heater, we convert all the energy of the electric current into heat. Is it possible to offer a device that, having spent some energy, would produce several times more heat, and thereby save heating costs?
Additional information
Detailed solution. Format jpg