energy efficiency

energy efficient UK US adjective (also energy-efficient) NATURAL RESOURCES, ENVIRONMENT
used to describe things that use only as much energy as is needed without wasting any: energy-efficient lighting/building/appliance »

The company has fitted energy-efficient lighting throughout the building.


energy-efficient technology/system


We need to become more energy efficient so that we don't generate power just to waste it.

energy efficiency noun [U]

a drive to promote energy efficiency in the workplace

Financial and business terms. 2012.

Look at other dictionaries:

  • Energy Efficiency —   Programs that reduce consumption.   ***   A ratio of service provided to energy input (e.g., lumens to watts in the case of light bulbs). Services provided can include buildings sector end uses such as lighting, refrigeration, and heating:… …   Energy terms

  • energy efficiency — energinis našumas statusas T sritis fizika atitikmenys: angl. energy efficiency; energy yield; energy output vok. Energieabgabe, f; Energieausbeute, f rus. отдача по энергии, f; энергетическая отдача, f pranc. rendement énergétique, m …   Fizikos terminų žodynas

  • energy efficiency — energijos naudingumo koeficientas statusas T sritis radioelektronika atitikmenys: angl. energy efficiency vok. energetischer Wirkungsgrad, m rus. энергетический коэффициент полезного действия, m pranc. rendement énergétique, m …   Radioelektronikos terminų žodynas

  • energy efficiency — /ɛnədʒi əˈfɪʃənsi/ (say enuhjee uh fishuhnsee) noun the efficient use of energy so that less energy is consumed to produce the same result as previously obtained, as by the use of insulation in houses to save energy used in air conditioning, or… …   Australian English dictionary

  • energy efficiency — ratio between the amount of energy produced which is used efficiently and the amount which is wasted …   English contemporary dictionary

  • Energy Efficiency Ratio — (EER)   The measure of the instantaneous energy efficiency of room air conditioners; the cooling capacity in Btu/hr divided by the watts of power consumed at a specific outdoor temperature (usually 95 degrees Fahrenheit) …   Energy terms

  • Energy efficiency, Electricity —   Refers to programs that are aimed at reducing the energy used by specific end use devices and systems, typically without affecting the services provided. These programs reduce overall electricity consumption (reported in megawatthours), often… …   Energy terms

  • Energy Efficiency and Conservation Authority — (EECA) is a New Zealand government/crown agency responsible for promoting energy effciency and conservation. See also *Electricity sector in New ZealandExternal links* [ EECA] website …   Wikipedia

  • Energy efficiency ratio — (EER)   See EER.   California Energy Comission. Dictionary of Energy Terms …   Energy terms

  • Energy efficiency in British housing — Domestic housing in the United Kingdom presents one of the major opportunities for achieving the 20% overall cut in UK carbon dioxide emissions targeted by the Government for 2010.Carbon emissionsAlthough carbon emissions from housing have… …   Wikipedia

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