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2. Radiant heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Radiant_heating_and_cooling

   Outdoor radiant heaters allow specific spaces within an outdoor area to be targeted, warming only the people and objects in their path. Radiant heating systems may be gas-fired or use electric infrared heating elements. An example of the overhead radiant heaters are the patio heaters often used with outdoor serving. The top metal disc reflects ...

3. Lekolite - Wikipedia

   en.wikipedia.org/wiki/Lekolite

   As other lighting technologies and products have taken the Lekolite's place, the term Leko has become a generic trademark (notably in North America) for all ERS fixtures. A Strand Lekolite Century Lighting founders and the instrument's inventors, Joseph Levy [ 2 ] and Edward Kook, combined the first two letters of their own last names and ...

4. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   The efficiency of an infrared heater is a rating of the total energy consumed by the heater compared to the amount of infrared energy generated. While there will always be some amount of convective heat generated through the process, any introduction of air motion across the heater will reduce its infrared conversion efficiency.

5. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   Fixed-mount lamps are used in indoor and outdoor flood lighting, although improvements in LED systems are displacing halogen lamps. Round spotlights with built-in multifaceted reflector lamps are widely used in residential and commercial lighting. Tubular halogen lamps provide a large quantity of light from a small source and so can be used to ...

6. Landscape lighting - Wikipedia

   en.wikipedia.org/wiki/Landscape_lighting

   Conventionally generated and sourced electricity remains the most used source for landscape lighting in the early twenty-first century. With the combination of increasing demand for more efficient lighting, increasing availability of sustainable designs, global warming considerations, and aesthetic and safety concerns in garden and landscape design the methods and equipment of outdoor ...

7. Gas lighting - Wikipedia

   en.wikipedia.org/wiki/Gas_lighting

   Gas lighting in the historical center of Wrocław, Poland, is manually turned off and on daily.. Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas.