yoni8levy's Articles http://www.a1articles.com en-us editorial@articlealley.com Benefits of a Geothermal Heat Pump system Benefits of a Geothermal Heat Pump system Free or Reduced-Cost Hot Water Unlike any other heating and cooling system, a geothermal heat pump can provide free hot water. A device called a “desuperheater” transfers excess heat from the heat pump’s compr... http://www.a1articles.com/benefits-of-a-geothermal-heat-pump-system-2054967.html 21st February 2011 Solar cell basics Solar cell basics Converting solar energy to electricity via photovoltaic cells is one of the most exciting and practical scientific discoveries of the last several hundred years. The use of solar power is far less damaging to the environment than burn... http://www.a1articles.com/solar-cell-basics-1863876.html 24th November 2010 A wind turbine for the home A wind turbine for the home GREEN POWER: Good news for homeowners: with small wind turbines, you will soon be able to generate your own electric power right out in the backyard. The manufacturers produce the rotor blades using nanoparticles from Bayer ... http://www.a1articles.com/a-wind-turbine-for-the-home-1851197.html 18th November 2010 How to Build Wind Turbine Generator – home made use How to Build Wind Turbine Generator – home made use Learn How to Build a Home Wind Turbine Generator. build a home wind turbine generator is the best available. Home made wind generator plans HOW THEY WORK - A wind turbine or home wind generator ... http://www.a1articles.com/how-to-build-wind-turbine-generator--home-made-use-1848921.html 17th November 2010 This is the Green Decade? This is the Green Decade? "MEN" and "WOMAN" both have been equally responsible for each and every revision which took place on our planet. We have destroyed our planet to a great extent and before it's too late we need to think about it and together w... http://www.a1articles.com/this-is-the-green-decade-1842987.html 16th November 2010 How to get off the grid - water turbines How to get off the grid - water turbines Firstly, getting your own energy from wind power is attractive as it is free once your system is up and running and with a bit of help and research it is doable. Buying and installing your own wind turbine and b... http://www.a1articles.com/how-to-get-off-the-grid--water-turbines-1841423.html 15th November 2010 Window Energy Glossary Window Energy Glossary Air Leakage Rating: A measure of the ratebof infiltration around a window or skylight in the presence of a strong wind. It is expressed in units of cubic feet per minute per square foot (cfm/ft2) of window area or cubic feet per ... http://www.a1articles.com/window-energy-glossary-1820054.html 02nd November 2010 Selecting The Right Windows for Energy Efficiency Selecting The Right Windows for Energy Efficiency New window technologies have increased energy benefits and comfort, and have provided more practical options for consumers. This selection guide will help homeowners, architects, and builders take advan... http://www.a1articles.com/selecting-the-right-windows-for-energy-efficiency-1809719.html 25th October 2010 How Is Electricity Made? How Is Electricity Made? One of the fossil fuels (usually coal) is burned in a power plant to heat water. The hot water turns into steam and forces a machine called a turbine to turn. The turbine powers a generator into electricity which is sent throug... http://www.a1articles.com/how-is-electricity-made-1801372.html 20th October 2010 What Are The Practical sources Of Energy? – Part 2 What Are The Practical sources Of Energy? – Part 2 The practical sources of energy include the fossil fuels, natural gas, petroleum (or oil), and coal. Fossil fuels are referred to as nonrenewable energy sources because, once used, they are gone. Scien... http://www.a1articles.com/what-are-the-practical-sources-of-energy--part-2-1788071.html 13th October 2010 What Are The Practical sources Of Energy? – Part 1 What Are The Practical sources Of Energy? – Part 1 The practical sources of energy include the fossil fuels, natural gas, petroleum (or oil), and coal. Fossil fuels are referred to as nonrenewable energy sources because, once used, they are gone. Scien... http://www.a1articles.com/what-are-the-practical-sources-of-energy--part-1-1788069.html 13th October 2010 The Complete Guide For Solar Panel Design Systems - Part 2 The Complete Guide For Solar Panel Design Systems - Part 2 Design III — Tilt These first two designs were economically driven, streamlined systems. This next design aims to variably tilt the panels to “follow the sun,” which can increase photovolta... http://www.a1articles.com/the-complete-guide-for-solar-panel-design-systems--part-2-1788062.html 13th October 2010 The Complete Guide For Solar Panel Design Systems - Part 1 The Complete Guide For Solar Panel Design Systems - Part 1 Design I — Modular The initial design is simple yet robust, and is composed of only two elements, a foot and slat. As shown in Figure 1, the panels are mounted to slats that are joined by f... http://www.a1articles.com/the-complete-guide-for-solar-panel-design-systems--part-1-1788061.html 13th October 2010 How wind turbines operate? How wind turbines operate? In contrast to the windmills common in the nineteenth century, a modern power generating wind turbine is designed to produce high quality, network frequency electricity whenever enough wind is available. Wind turbines can op... http://www.a1articles.com/how-wind-turbines-operate-1783800.html 08th October 2010 Solar Thermal Technology on an Industrial Scale Solar Thermal Technology on an Industrial Scale Our sun produces 400,000,000,000,000,000,000,000,000 watts of energy every second and the belief is that it will last for another 5 billion years. The United States reached peak oil production in 1970, an... http://www.a1articles.com/solar-thermal-technology-on-an-industrial-scale-1781247.html 07th October 2010 The solar PV Value Propostion The solar PV Value Propostion Solar photovoltaics (PV) offers the U.S. a material source of high-value energy. It is an attractive part of the U.S. energy portfolio for an array of reasons which include customer value, as well as benefits from an envir... http://www.a1articles.com/the-solar-pv-value-propostion-1778638.html 06th October 2010 Solar Energy in Spain Solar Energy in Spain Spain is forging ahead with plans to build concentrating solar power plants, establishing the country and Spanish companies as world leaders in the emerging field. At the same time, the number of installed photovoltaic systems is ... http://www.a1articles.com/solar-energy-in-spain-1777712.html 05th October 2010 Types of Solar Water Heaters Types of Solar Water Heaters Solar water heaters can be either active or passive. An active system uses an electric pump to circulate the heat-transfer fluid; a passive system has no pump. The amount of hot water a solar water heater produces depends o... http://www.a1articles.com/types-of-solar-water-heaters-1776252.html 04th October 2010 Basic Information on Solar Water Heating Basic Information on Solar Water Heating This publication provides basic information on the components and types of solar water heaters currently available and the economic and environmental benefits of owning a system. Although the publication doe... http://www.a1articles.com/basic-information-on-solar-water-heating-1776193.html 04th October 2010 Producing your own power Producing your own power The first step to designing a renewable energy system is to conduct a Load Evaluation to determine what appliances you will be using, for how long each day and week, and how much energy they will use. The Load Evaluation is the... http://www.a1articles.com/producing-your-own-power-1764286.html 27th September 2010 Living “Off Grid” – Part 2 Living “Off Grid” – Part 2 Living “off grid” means you are not connected to a utility company power line, the electrical grid. You must produce your own electrical power to meet your needs. This can be a challenging and rewarding experience! Refrige... http://www.a1articles.com/living-off-grid--part-2-1764254.html 27th September 2010 10 Good Reasons to switch to solar photovoltaic electricity 10 Good Reasons to switch to solar photovoltaic electricity Photovoltaic is emerging as a major power source due to its numerous environmental and economic benefits and proven reliability. 'Photovoltaic' is a marriage of two words: 'photo', from Gre... http://www.a1articles.com/10-good-reasons-to-switch-to-solar-photovoltaic-electricity-1759444.html 23rd September 2010 5 uses of solar energy 5 uses of solar energy Our earth gets most of its energy from the sun. We call this energy solar energy. Sol means sun. Solar energy travels from the sun to the earth in rays. Some are light rays that we can see. Some are rays we can't see, like x-rays... http://www.a1articles.com/5-uses-of-solar-energy-1759365.html 23rd September 2010 About urbane wind turbine investment About urbane wind turbine investment These costs consist of: complete UWT installation including the engineering, safety measures, monitoring, supporting construction, transport and mounting, proof of operation (commissioning) and the acceptance. Likel... http://www.a1articles.com/about-urbane-wind-turbine-investment-1757331.html 22nd September 2010 Understanding & Using Solar DC-AC Inverters – Part 3 Understanding & Using Solar DC-AC Inverters - Part 3 Capacitive loading Actually there.s a different kind of problem with many kinds of fluorescent light assembly: not so much inductive loading, but capacitive loading. Although a standard fluoro li... http://www.a1articles.com/understanding--using-solar-dcac-inverters--part-3-1737878.html 09th September 2010 What is Homemade Solar Energy? Solar Energy What is Homemade Solar Energy? Every day, the sun radiates (sends out) an enormous amount of energy—called solar energy. It radiates more energy in one second than the world has used since time began. This energy comes from within the s... http://www.a1articles.com/what-is-homemade-solar-energy-1735051.html 08th September 2010 The Aerodynamics Of The Wind Turbine – Part 2 The Aerodynamics Of The Wind Turbine - Part 2 WIND TURBINE BLADES BEHAVE IN THE SAME WAY Returning to the wind turbine blade, just as in the situation for the cyclist, we can observe the aerodynamic and force diagrams in two different situations, w... http://www.a1articles.com/the-aerodynamics-of-the-wind-turbine--part-2-1731883.html 06th September 2010 The Aerodynamics Of The Wind Turbine – Part 1 The Aerodynamics Of The Wind Turbine - Part 1 The three bladed rotor is the most important and most visible part of the wind turbine. It is through the rotor that the energy of the wind is transformed into mechanical energy that turns the main shaft of... http://www.a1articles.com/the-aerodynamics-of-the-wind-turbine--part-1-1731502.html 06th September 2010 What is Wind Energy? What is Wind Energy? Wind is simply air in motion. It is caused by the uneven heating of the earth's surface by radiant energy from the sun. Since the earth's surface is made of very different types of land and water, it absorbs the sun's energy at dif... http://www.a1articles.com/what-is-wind-energy-1731436.html 06th September 2010 Green Living - Taking those first small steps Green Living - Taking those first small steps Making small changes as and when you can puts you firmly on the road to living a much greener lifestyle. Trying to jump into it all at once can be counterproductive, in fact, because the subject area is im... http://www.a1articles.com/green-living--taking-those-first-small-steps-1720405.html 27th August 2010 Does your roof or property contain a large enough area for the PV system? Does your roof or property contain a large enough area for the PV system? The amount of space that a PV system needs depends on the size of the system you purchase. Some residential systems require as little as 50 square feet (for a small "starter" sys... http://www.a1articles.com/does-your-roof-or-property-contain-a-large-enough-area-for-the-pv-system-1691586.html 10th August 2010 Investing in a PV system Investing in a PV system Why should you buy a PV system? People decide to buy PV systems for a variety of reasons. Some people want to help preserve the Earth's finite fossil-fuel resources and reduce air pollution. Others want to invest in an energy-... http://www.a1articles.com/investing-in-a-pv-system-1691584.html 10th August 2010