An electric room heater may be used to heat a room when it is cold, they are commonly used in the winter. An electric room heater may also be used to discharge the heat outside and keep the house cool.
The main feature of an efficient electric heater is, that is used up to 30% less engery than a conventional electric heater. This reduces the cost of the heater.
the heating element used in electric heaters is made of nichrome.
If it is used properly there is no harm to health.
About 100 square feet is the averge room size for a heater to be used.
A grate heater can be used to make a wood burning fireplace more efficient at heating a home. Fireplaces often use electric fans to blow the heat into the room. Grate heaters use much less electricity than traditional electric fans.
Why, yes ! You can run wires with some resistance around the periphery of a room, connect the wires to a source of electrical energy, and use the energy dissipated by the wires to heat the room. That arrangement is called a "baseboard heater".
An electric water heater in a hot tank is called an immersion heater and many of those run at 3 kW with a thermostat to control the max temperature. Power showers use a type of water heater that heats the water at the point where it is used, without a tank. They run at 6-8 kW and are also controlled by a thermostat.
Inside a heater element is aluminium oxide for insulation and it surrounds a nickel resistance wire.
Conduction and Radiation - NOVANET
It is a gas operated or electric operated appliance used to heat water.