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2. Patio heater - Wikipedia

   en.wikipedia.org/wiki/Patio_heater

   Wall-mounted patio heater: fixed to a wall or structure making for safe operation. Hanging patio heater: portable and small footprint; comes in electric only. Tabletop patio heater: ultra-portable and great for smaller groups or outdoor dining, but it uses a small propane tank. Patio heaters have become popular with bars and restaurants, since ...

3. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   Electric heating is a process in which electrical energy is converted directly to heat energy. Common applications include space heating, cooking, water heating and industrial processes. An electric heater is an electrical device that converts an electric current into heat. [1] The heating element inside every electric heater is an electrical ...

4. Space heater - Wikipedia

   en.wikipedia.org/wiki/Space_heater

   These heaters are often designed such that the frequency of the emitted waves are in the infrared part of the electromagnetic spectrum. The materials used in radiant heaters can vary. Halogen heaters have tungsten filaments in sealed quartz envelopes, mounted in front of a metal reflector in a plastic case. They operate at a higher temperature ...

5. Convection heater - Wikipedia

   en.wikipedia.org/wiki/Convection_heater

   Convection heater. A convection heater for single-room use. Illustration of the Model "S" Convection Heater by Sala Heater & Mantel, 1924. A convection heater, also known as a convector heater, is a type of heater that utilizes convection currents [1] to heat and circulate air. These currents move through the appliance and across its heating ...

6. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   An infrared heater or heat lamp is a heating appliance containing a high-temperature emitter that transfers energy to a cooler object through electromagnetic radiation. Depending on the temperature of the emitter, the wavelength of the peak of the infrared radiation ranges from 750 nm to 1 mm. No contact or medium between the emitter and cool ...

7. Outdoor heating - Wikipedia

   en.wikipedia.org/wiki/Outdoor_heating

   Outdoor heating. Outdoor heating is space heating that allows people to stay in substantially unenclosed spaces that would otherwise be too cold for comfort. To this end, various outdoor heating appliances are available, including gas patio heaters, quartz or ceramic electric lamps, and wood burning chimenea and fire pits. [1] In an outdoor ...