Welcome to the UK Energy Saving glossary where you will find definitions to energy saving-related words and phrases.
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Air Source Heat Pumps |
Air Source Heat Pumps use heat from the air to heat buildings either by heating the air or heating water for central heating and under-floor heating systems. |
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Biodiesel |
A renewable vehicle fuel produced from the oil of crops or waste cooking oil. |
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Biogas |
A fuel comprising mainly methane and carbon dioxide and produced from organic matter. |
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Biomass |
A renewable source of energy made from organic matter of recent origin. |
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Bioethanol Fuel |
Vehicle fuel produced from starch and sugar plants or trees. Bioethanol has less of a negative environmental impact than traditional fuels. |
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Black Water |
The water used in the toilet, kitchen sink and dishwasher and which cannot be reused without treatment. |
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British Hydropower Association |
Promotes the use of water power and the British hydropower industry. Visit the British Hydropower Association Website |
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Bokashi Composter |
The ‘Bokashi’ in Bokashi composter is Japanese for ‘fermented organic matter’ and this is a relatively new composting system in terms of its use in UK homes. |
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British Wind Energy Association |
The UK’s trade association for wind power. |
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Carbon Capture & Storage |
This technology is designed to take the large amounts of carbon dioxide produced by fossil fuel power plants and store it in natural storage facilities rather than release it. |
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Carbon footprint |
A description used to describe the effect everyone has on the planet in terms of the carbon emissions they are responsible for. |
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Carbon Trust |
Helps business and the public sector to cut carbon emissions. Visit the Carbon Trust’s website www.carbontrust.co.uk |
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Cavity wall insulation |
Material used to fill the gaps between the inner and outer bricks in order to minimise loss of heat from the building. |
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Climate Change |
A term used to describe the changes going on with the earth’s climate and which are cause for concern for the future of the planet. |
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Climate Change Agreements |
Agreements made by energy intensive industries to implement energy efficiency measures in order to be eligible for an 80% reduction in the Climate Change Levy. |
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Climate Change Levy |
Taxes on commodities such as gas and electricity aimed at encouraging a reduction in their usage by business, commerce and public sectors. |
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Code for Sustainable Homes |
A national standard for the design and construction of sustainable homes. |
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Compost Toilets |
Toilets which do not use water for flushing thus saving water. |
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Condensing Boiler |
A boiler which recovers waste heat in order to increase efficiency. |
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Double Glazing |
Windows or doors made of two panes of glass with a space in between in order to increase insulation. |
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Draught Proofing |
Filling gaps in the fabric of a building in order to reduce draughts |
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Eco Driving |
Driving in a more environmentally conscious way. |
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EcoHomes |
the EcoHomes assessment scheme rates the environmental qualities of new and renovated dwellings. See our environmentally friendly housing page for more details. |
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Electric car |
A car which partially or completely runs on battery power. |
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Energy Saving Blog |
The UK Energy Saving Blog where anyone can comment on the articles published, which all relate to energy saving and the other topics covered on UK Energy Saving. |
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Emissions Trading |
The idea behind emissions trading is that a governing body sets a limit on specified pollutants that can be emitted in a given period. Permits and credits (or allowances) are then issued to polluting companies which give the right to emit certain amounts. |
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Energy Efficient Boiler |
Usually a condensing boiler, which recovers waste heat to increase efficiency. |
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Energy Saving Kettle |
Kettle designed to minimise boiling excessive volumes of water. |
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Energy Saving Light Bulb |
Essentially fluorescent tubes bent into smaller shapes. They use significantly less energy than traditional bulbs. |
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Energy Saving Recommended Logo |
A logo assigned to products which meet certain energy efficient guidelines. |
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Energy Saving Trust |
Government and private sector funded body with goals of achieving the sustainable use of energy and cutting carbon dioxide emissions. |
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Energy saving washing machine |
A washing machine rated on its energy efficiency. Use water and power more economically than older models. |
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Energy Switch |
Energy switch sites allow you to save money on gas and electricity bills by comparing tariffs from different suppliers. |
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Fairtrade |
A term used to describe products which are often bought direct from producers who are given a better deal than they would traditionally expect. |
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Fairtrade church |
A church or synagogue which promotes and used fairtrade products according to the guidelines of the Fairtrade Foundation. |
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Fairtrade Products |
Products which are fairtrade have been a paid a fair price for at producer level. Visit our sitemap for a list of pages on fairtrade. |
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Fairtrade school |
A school which promotes and used fairtrade products according to the guidelines of the Fairtrade Foundation. |
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Forest Stewardship Council Certification |
Forest Stewardship Council certified products are from sustainable forestry sources ensuring that the wood has been harvested in an environmentally friendly manner. |
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Fossil fuel |
A fuel type which has been made over thousands of years and the supplies of which are diminishing, for example coal and oil. |
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Geothermal Energy |
Using the natural heat of the earth to heat buildings or produce electricity. |
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Green Banking |
Banking which supports sustainable and environmental projects. |
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Green Electricity |
Electricity supplied by energy providers from renewable sources of energy. |
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Green Festivals |
Events which aim to reduce environmental impact. |
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Green Home Service |
A government funded one-stop-shop for energy saving advice. |
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Green Roofs |
Living roofs which have a positive environmental impact. |
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Green travel |
Encompasses a number of ways or making travel greener, such as car sharing, cycling and public transport. |
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Green Wedding |
An eco friendly wedding which takes into account any impact on the environment. |
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Greenhouse Gas Emissions |
Emissions which get ‘caught’ in the earth’s atmosphere increasing the retention of the sun’s heat. |
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Greywater |
the water used in hand basins, showers and baths. This can be reused – see the greywater recycling page for more information. |
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Ground Source Heat Pump |
System designed to ‘extract’ the heat of the earth in order to heat a building. |
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Hippo - not the animal |
A device fitted into a toilet cistern in order to reduce the amount of water used in flushing. |
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Home Energy Efficiency Scheme |
This scheme offers grants towards insulating your home and other energy efficiency measures – only available in Wales. |
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Hybrid car |
A car with a fuel-efficient gas engine combined with an electric motor. |
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Hydro Electric Power |
The power produced by harnessing the power of water stored at height. |
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Hydrogen Fuel |
an alternative to petrol and diesel with very little environmental impact. |
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International Geothermal Association |
Encourages research, development and utilisation of geothermal resources. Visit the website International Geothermal Association’s |
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Landfill gas |
the gas naturally produced within landfill sites can be used to create power or heating and thus reduces the amount of greenhouse gases released into the atmosphere. |
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Loft insulation |
Material used to insulate a loft against the loss of heat rising from the building below. |
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Low Carbon Buildings Programme |
provides grants for microgeneration technologies. Visit the website Low Carbon Buildings Programme for detailed information. |
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LPG |
Liquid Petroleum Gas, a blend of propane and butane which can be used as vehicle fuel. |
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Marine Stewardship Council |
The Marine Stewardship Council is a global organisation which promotes responsible fishing practices. |
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Micro Hydro Power |
Small scale hydro electric power. |
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National Energy Foundation |
Encourages the reduction of carbon emissions through energy efficiency and the use of sustainable energy sources. Visit the National Energy Foundation’s website. |
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Natural Gas |
Usually used for cooking and heating, natural gas can also be used as a vehicle fuel. |
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Offset Carbon Emissions |
Usually payments towards sustainable projects by way of ‘payback’ for your ‘carbon footprint’ on the world. |
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Offshore wind energy |
Describes wind farms based out to sea. |
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Organic |
Produce which is produced in the most natural way possible with minimal use of chemicals and drugs. Visit our sitemap for a list of various pages covering the organic topic. |
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Passive Solar Heating |
Using the natural warmth and light of the sun to heat a building by utilising glass to maximise usage. |
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Peak Oil |
the widely recognised theory that, in the near future, oil production will reach its peak resulting in ever-higher prices. Visit Wikipedia for more information. |
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Photovoltaic Cell |
solar panels used to turn the energy of the sun into electricity. See the solar electric power page for more information. |
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Portable solar power |
Can include solar power panels for anything from a caravan to a calculator. |
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Pure Plant Oil |
This vehicle fuel is produced by crushing and filtering oil-based crops. |
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Rainwater Harvesting |
Collecting rainwater for use in the garden or for flushing the toilet. |
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Renewable Energy |
A term used to describe those energy forms which are constantly renewed and will therefore not run out. |
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Renewable Energy Association |
Represents British renewable energy producers and promotes the use of sustainable energy in the UK. Visit the Renewable Energy Association’s website. |
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Reusable Cloth Nappies |
Nappies which can be washed and reused unlike disposables which are thrown away after one use. |
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Solar Electric Power |
Electricity created by using the energy of the sun. |
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Solar Energy Association |
There are actually two UK organisations, one for solar thermal power and one for solar photovoltaic power. |
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Solar Power |
The energy created by harnessing the power of the sun. |
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Solar Power Heating System |
Building heating provided by harnessing the energy of the sun. |
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Solar Power Panel |
a panel usually fitted to a roof which captures the energy of the sun for use as heating or electricity. See the Solar Power page for more information. |
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Solar Trade Association |
Members include producers of solar collectors and equipment along with installers of such equipment. Also an information source for the public. Visit the Solar Trade Association’s website. |
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Sustainable Building |
A building which leaves as small an environmental footprint as possible. |
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Sustainable Energy |
Energy which does not have a negative impact on the environment and the wise use of energy. |
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Sustainable Transport |
Transport which absorbs any waste it produces. |
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Sustainable Tourism |
Protecting the natural and cultural heritage of tourist destinations. |
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Tidal Power |
The generation of electricity by harnessing the power of the tides. |
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Transition Towns |
Communities aiming to reduce their carbon emissions and reliance on oil in order to combat climate change and in preparation for peak oil. |
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Utilities Marketplace |
A website which allows visitors to compare utilities’ tariffs in order to save money on gas and electricity bills |
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UK Green Building Council |
Launched in 2007, the UKGBC looks at ways to make the construction industry more sustainable. |
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Walking Bus |
A scheme wherby groups of children walk to school together with parents or volunteers. |
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Warm Deal Scheme |
This scheme offers grants towards insulating your home and other energy efficiency measures – only available in Scotland. |
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Warm Homes Scheme |
This scheme offers grants towards insulating your home and other energy efficiency measures – only available in Northern Ireland. |
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Warm Front Scheme |
this scheme offers grants towards insulating your home and central heating systems – only available in England. |
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Water Butt |
Container for collecting rainwater. |
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Wave Power |
The generation of electricity by harnessing the power of the waves. |
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WEEE |
Waste Electrical and Electronic Equipment – The WEEE directive is EU legislation set to become UK law and governs the disposal of electrical waste. |
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Wind Power |
The energy created by harnessing the power of the wind. |
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Wind Turbine |
The modern version of a wind mill, which captures the power of the wind in order to turn it into electricity. See the Wind Power page for more information. |
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Wood Pellet Boiler |
A central heating and hot water boiler fuelled with wood pellets. |
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Wood Pellets |
A form of biomass, wood pellets can be used to fuel stoves and boilers. |
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Wood Pellet Stove |
a stove fuelled with wood pellets; an environmentally friendly, highly efficient fuel. |
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