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2. How To Prep for Winter Energy Bills: 7 Affordable Home Upgrades

   www.aol.com/finance/prep-winter-energy-bills-7...

   Install Ceiling Fans. Average cost: $70 to $200 per fan. ... Replace Old Light Bulbs. Average cost: ... using these bulbs in your five most-used light fixtures can save you about $40 a year in ...

3. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

4. Light fixture - Wikipedia

   en.wikipedia.org/wiki/Light_fixture

   A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

5. LED street light - Wikipedia

   en.wikipedia.org/wiki/LED_street_light

   It is estimated that installation of energy efficient street lighting in the 10 largest metropolitan areas in the U.S. could reduce annual carbon dioxide emissions by 1.2 million metric tons, the equivalent of taking 212,000 vehicles off the road, and save at least $90 million annually in electricity costs. [3] [4] As LED lighting fixtures ...

6. Lighting as a service - Wikipedia

   en.wikipedia.org/wiki/Lighting_as_a_service

   Lighting as a service (LaaS), also known as light as a service, is a service-based business model in which light service is charged on a subscription basis rather than via a one-time payment. It is managed by third parties, [ 1 ] more precisely, by specialized service providers and may include light design, financing, installation, maintenance ...

7. Lighting - Wikipedia

   en.wikipedia.org/wiki/Lighting

   Chandeliers were an early form of "light fixture". A major reduction in the cost of lighting occurred with the discovery of whale oil. [3] The use of whale oil declined after Abraham Gesner, a Canadian geologist, first refined kerosene in the 1840s, allowing brighter light to be produced at substantially lower cost. [4]