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2. Ceramic heater - Wikipedia

   en.wikipedia.org/wiki/Ceramic_heater

   A ceramic heater as a consumer product is a space heater that generates heat using a heating element of ceramic with a positive temperature coefficient (PTC). [1] [2] [failed verification] Ceramic heaters are usually portable and typically used for heating a room or small office, and are of similar utility to metal-element fan heaters.

3. Heating element - Wikipedia

   en.wikipedia.org/wiki/Heating_element

   A heating element is a device used for conversion of electric energy into ... is a refractory ceramic primarily used in heating elements. It has moderate density ...

4. Self-regulating heater - Wikipedia

   en.wikipedia.org/wiki/Self-regulating_heater

   A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage.

5. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   This makes a careful selection of the right infrared heater type important for energy efficiency in the heating process. [21] Ceramic elements operate in the temperature of 300 to 700 °C (570 to 1,290 °F) producing infrared wavelengths in the 2 to 10 μm range. Most plastics and many other materials absorb infrared best in this range, which ...

6. Space heater - Wikipedia

   en.wikipedia.org/wiki/Space_heater

   Turning off the heater when the last adult leaves the room or goes to sleep and keeping children and pets three feet away from the heater. Placing heaters on a flat, hard, nonflammable surface. Avoiding the use of heaters near flammable materials such as paint or gasoline. Installing smoke alarms and carbon monoxide detectors nearby.

7. Glass-ceramic - Wikipedia

   en.wikipedia.org/wiki/Glass-ceramic

   Today, there are two major types of electrical stoves with cooktops made of glass-ceramic: A radiant heating stove uses coils or infrared halogen lamps as the heating elements. The surface of the glass-ceramic cooktop above the burner heats up, but the adjacent surface remains cool because of the low heat conduction coefficient of the material.