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Energy that does not get used up - Computers & Internet

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The only energy I know that doesn't used up is a mental energy, if you believe it exists. From the book of physics we know that energy is just a capability to do something, such as electricity. Unless you produce any work there is no energy used up as such

Posted on Nov 02, 2013

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Posted on Jan 02, 2017

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Is Arcadia Power a legitimate power company? They want me to change from ConEd because they use clean power.


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Jul 27, 2017 | Facebook Apps

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Make Your Pool Green!


Energy Efficiency <i>Make Your Pool Green!</i><br /> Pool owners LOVE green pools. Crazy statement if the "green" you're thinking about is unclean, algae-filled water. But when "green" means eco-friendly, a "green" pool is something homeowners should aspire to have in their yards.<br /> Energy Efficiency - Why? Why should I build or upgrade to an energy efficient pool?<br /> <ul> <li><b>1) Reduce Costs:</b> You'll save money. Energy-efficient pool appliances always pay for themselves in reduced electric bills, and then continue to save money for years to come. By choosing pool equipment such a variable speed pump or pool cover, and by establishing good habits like lowering the pool heater when not in use and proper preventative maintenance, costs to a pool owner can be greatly decreased.</li><br /> <li><b>2) Cuts down on energy waste and saves water:</b> Almost all of a pool's heat loss-about 95 percent-occurs at the surface, mostly through evaporation to the air and radiation to the sky. By using a pool cover to prevent heat and water loss, the amount of chemical water treatment will also be reduced. A multispeed or energy efficient pool pump can also significantly reduce the power consumption of a swimming pool by over 65%.</li><br /> <li><b>3) Tax incentives and rebates:</b> Did you know that some states offer tax incentives and rebates for homeowners that purchase energy efficient pool appliances? Check to see what incentives or rebates are available in your state..</li><br /></ul> Energy Efficiency - How? With a combination of pool products and good preventative maintenance habits, you can improve the heating and energy efficiency of your swimming pool.<br /> <ul> <li><i>Pump Efficiency-</i> You can save energy and maintain a comfortable swimming pool temperature by using a smaller, higher efficiency pump and by operating it less. On average, an energy efficient pump will use 30-45% less energy than that of a standard pump. The difference over a season can be immense. Pumps now come in two-speed, four-speed, and variable-speed models, so you can turn the speed down for regular daily use saving a lot of energy, and use higher settings for more thorough, less frequent cleanings. New energy-efficient pumps also move the water more efficiently for further savings. Since pumps circulate the water to keep it clean, the better they work, the less a filter has to work. <ul> <li>The <a href="http://www.pentairpool.com/pool-pro/products/pumps-inground-intelliflo-vs-3050-vs-svrs-variable-speed-pumps-76.htm">Pentair IntelliFlo&reg;</a> High Performance Pump is the world's smartest swimming pool pump. Its onboard computer and intelligent software automatically calculate and program the minimum flow requirements for every pool task - filtering, heating, cleaning, spa jets, water features and more - to optimize performance and minimize energy use. As functions/tasks change, IntelliFlo&reg; self-adjusts to maintain optimal flow rates for further energy savings.</li><br /> <li>With the <a href="http://www.haywardcanada.com/inground/products/pumps/EcoStar.cfm">Hayward EcoStar</a> family of pumps, money flows back into your pocket. EcoStar is the industry's most energy efficient variable speed pump, thanks to a super-efficient permanent magnet, totally enclosed fan cooled (TEFC) motor and industry leading hydraulic design. Tests prove that EcoStar can save you up to 90% on energy costs compared to ordinary single speed pumps. EcoStar matches pump flow to a pool's needs, versus running at full power 100% of the time. It's fully programmable with a self-contained 24-hour clock and up to 8 custom speed and timer functions that allow EcoStar to manage flow throughout the day. Whether used in new construction or aftermarket applications, EcoStar is the perfect choice.</li><br /> <li>Pentair has a calculator that you can use to <a href="http://www.pentairpool.com/pool-owner/resources/calculators/pool-pump-calc/index.html">calculate your energy savings</a> using an energy efficient pool pump.</li><br /></ul></li> <li><i>Pool Covers-</i> A good pool cover will save energy and water. It can keep the water in your pool an average of 10 degrees warmer, which can cut summertime pool heating costs by up to 90 percent. A cover reduces water and chemical evaporation by up to 70 percent, saving nearly a thousand gallons of water per month. A cover also helps keep your pool clean, which means you'll have to run your filter pump less often, saving even more energy.</li><br /> <li><i>Water temperature efficiency-</i> In addition to a pool cover, there are other ways to help keep the cost of heating your pool to a minimum while you still enjoy a comfortable water temperature. Make use of solar energy by locating your pool in the sunniest part of your yard. If possible, screen it from the cooling, prevailing wind with existing structures such as the house or garage, or add a solidly built fence as a windbreak. The water temperature you desire for your swimming pool not only affects the size of the pool's heater, but also your heating costs if use a gas or heat pump pool heater. Heating your pool with solar energy is by far the most energy-efficient method. If you buy a gas or electric heater, check the yellow-and-black Energy Guide label on the appliance. It shows relative energy-efficiency according to tests by the US Federal Trade Commission (FTC). Pool water temperatures typically range from 78&ordm;F to 82&ordm;F. The energy consumption for each degree rise in temperature will cost 10%-30% more in energy costs, depending on your location. In warmer climates, this percentage is higher because of the relatively low cost of heating a pool at 78&ordm;F.</li><br /> <li><i>Timers-</i> Buy automatic timers for both your pool heater and pump. This will allow you to run them in several short cycles during the day, which is more effective than running them once continuously for several hours a day.</li><br /> <li><i>Preventative Maintenance-</i> Maintain efficient daily operations. Turn down the pool heater when the pool is not in use and maintain appropriate water temperatures when in use (78&deg;-80&deg; for active swimming, 82&deg;-84&deg; for recreational use). Raising the water temperature just 1&deg;F can costs an additional 10 - 30%, depending on your location. Keep a thermometer in the pool to help determine the temperature that is best for your pool and mark the "comfort settings" on the thermostat dial to avoid accidental overheating. Backwash the pool filter only as much as necessary to avoid wasting water and energy and be sure to keep drain systems clear to allow the free flow of water. By far, the most energy efficient lights you can get for the pool are LED or solar powered.</li><br /></ul> Energy Efficiency - Not just for pools! It is also possible to make your spa energy efficient. Portable spas are more energy efficient than in-the-ground spas because they are better insulated and usually have covers. If you have a typical portable spa, your heater will heat water 10 degrees in about 8 hours. If you use your spa once a week, lowering the temperature 3 degrees when not in use will save you approximately 5-10% of your spa heating costs; if you use the spa less often, your savings could be even greater. Don't run the jets unless you are using your spa. The mixture of water and air is great for relaxing the muscles, but it cools the water quickly. Spa covers are important. Be sure to leave the cover on until you are ready to use your spa and replace when you're finished. Remember that the heat that escapes is the heat you must pay to replace.

on Mar 17, 2011 | Pool & Spa

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Air Conditioner SEER Seasonal Energy Efficiency Ratio


Energy consumption for home air conditioning accounts for almost 5% of all the electricity produced in the USA. Energy Policy Act mandates minimum energy efficiency standards for commercial buildings, using research and standards developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers. Energy Star qualified central air conditioners have a higher seasonal efficiency rating (SEER) than standard models, which makes them about 14% more efficient than standard models. Energy efficiency specialists with certified training on retrofits and energy savings on both residential and light commercial units may enable you to save up to 50 percent on your air conditioning bills with the use of a high efficiency energy system. Substantial energy savings can be obtained from more efficient systems.

SEER (Seasonal Energy Efficiency Ratio) is related to the Energy Efficiency Ratio (EER), which is the ratio of output cooling in Btu/Hr and the input power in watts W at a given operating point and also to the coefficient of performance (COP) commonly used in thermodynamics. SEER rating more accurately reflects overall system efficiency on a seasonal basis and EER reflects the system’s energy efficiency at peak day operations.

The SEER rating is the Btu of cooling output during a typical cooling-season divided by the total electric energy input in watt-hours during the same period. SEER is related to the Energy Efficiency Ratio (EER), which is the ratio of output cooling in Btu/Hr and the input power in watts W at a given operating point and also to the coefficient of performance (COP) commonly used in thermodynamics. SEER rating more accurately reflects overall system efficiency on a seasonal basis and EER reflects the system’s energy efficiency at peak day operations. The higher the SEER number, the greater the efficiency of your unit. Therefore you will realize greater energy savings. The higher efficiency your product, the lower your long-term energy costs will be. Both central AC and air source heat pumps are rated according to seasonal energy efficiency ratio (SEER).

Before you consider upgrading your cooling equipment, the cheapest way to save money and energy from cooling is to reduce the need for mechanical air conditioning in the first place. Ask your contractor about a variable speed air handler, which will improve comfort and efficiency and allow continuous air filtering at minimum energy cost. Also, because ducts are often responsible for a lot of wasted energy, make sure you hire a contractor who knows about high-efficiency installations. If your central air conditioning unit is more than 12 years old, replacing it with an Energy Star qualified model could cut your cooling costs by 30 percent.


on Dec 14, 2009 | Heating & Cooling

1 Answer

Can hydrogen run a generator to produce hydrogen perpetually?


No. We all can't be versed on every aspect of our world but some parts are important to keep us from falling into poor investments and scams. There are several laws of thermodynamics, essentially how energy works in our world and are a fundamental part of our understanding of physics.

One of those laws suggests that energy like arithmetic will not change unless something operates to change the numbers. The energy that is put into a system (2 + 2) is always going to equal the energy that goes out of a system (4) So just as 2 + 2 is not going to suddenly equal 5 or 6 the energy we put into our system is not somehow going to create more energy. The best we can hope for is to create a system that will somehow gather more energy from another source like solar panels. In this case it is like saying 2 + 2 + 1 equals something more.

In your suggestion you want to add hydrogen to a generator and then use the resulting electricity to produce hydrogen by splitting water and then use that hydrogen to run the engine. But you are leaving out some of the elements. The engine is probably no more than about 25% efficient. That means that 75% of the energy in the hydrogen fuel you use is used to create heat and is lost to friction. So far your equation then looks like 2 + 2 - 3 . The generator also loses some energy to friction. Add to this it takes more energy to split water into hydrogen and oxygen than we recover when hydrogen and oxygen combine to produce some excess energy. So in every step along the way we are losing our desired goal to losses in energy like heat and friction.

But even if the system were somehow perfect it could not be any more perfect than to lose no energy. You will not be creating new new energy with such a system. Even if we could get it to run forever the system is not going to give us new energy we could use for something else as every bit would be used to run the system. This is why we say that efficiency can never be greater than 1 or 100%. And we can not have "over unity" or "perpetual motion" machines.

If we want "free energy" what we could do is make solar panels. And then use those solar panels to gather additional energy from a source outside the system and then produce hydrogen from solar energy. What we can't do is use a solar panel to produce electricity for a light that shines on the solar panel as once again this would be a closed system with no energy flowing into the system.

When it comes to energy systems look for the source of the energy. If it is supposed to be coming from inside the system perpetually then it is likely a scam. If there is an outside source it may be useful depending upon the economics and how much energy we get relative to our energy investment.

Jan 04, 2017 | Green Living

3 Answers

Whats the best renewable energy source?


The beat renewable energy sources are those sources of energy which can be renewed easily and which is eco-friendly in nature.
Some of the best sources of renewable energy are:
1. Solar energy: The most efficient renewable energy source. The sun rays are absorbed by the solar cells on the solar panel and later it is used as electricity.
2. Wind energy: Used in turbines to make them run and generate electricity.
3. Water energy: Water has been used in hydroelectric plants to produce electricity.
4. Nuclear energy: Nuclear fission is the main source of energy today. The energy generated by this fission is used to produce electricity.

clean-energy-300x300-h5e4c0qyooy4xzhh2iqsf0gc-4-0.jpg

Jan 04, 2017 | Green Living

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Solar Air Heating - You Can Cut Utility Costs and Save Money


Solar energy is becoming very quickly recognized as one of the best alternatives to fossil fuels It is an abundant and renewable natural resource. It can be used to save energy in residential, commercial, and industrial settings. Solar technologies will use the sun's energy to provide heat, hot water, light, electricity, and cooling, for homes, businesses, and industry.

Many major advancements have been made in the solar technology fields over the recent years. Solar air heating is becoming more attractive than ever before now that it is becoming lower in cost and more efficient. Solar energy is easily the cleanest and most inexhaustible of any of the known energy sources. The many variations in energy prices have fueled interest in alternative fuels such as solar energy. Demand for solar energy has been increasing exponentially as heating, cooling and many other energy costs continue to skyrocket.

Solar air heating and solar water heating are two examples of solar thermal technologies which produce heat, but not electricity. Solar air heat is best suited for installation in new construction and existing houses. Solar panels for any type of heating should be placed on a south-facing pitched roof, free of shade. The angle should be between 20 and 50 degrees. They may also be mounted on an angled frame on the ground or on a flat roof. Solar air collectors (the devices that heat up the air using solar energy) can directly heat individual rooms. They also can potentially pre-heat the air passing into a heat recovery ventilator or the air of an air-source heat pump. Solar heating panels can be one of the most cost effective ways to reduce your utility bills. This will make a positive contribution towards a better environment. Solar air heating systems often use large bins filled with rocks that store heat (although this method is becoming rare due to problems associated with controlling moisture and mold growth in the rock).

Energy Policy Act has implemented a 30% tax credit for consumers who chose to install solar water heating systems. State and local government programs are now being put in place to encourage the use of solar energy. Cash incentives are available for those that integrate solar energy technology as an alternative energy source. The Department of Energy (DOE) is working to design even more cost-effective solar heating systems and to improve the longevity of the materials used in those systems. Other incentive programs now include offering homeowners tax credits for solar panel installations and for solar heating systems. With solar power you will save money, increase your property value, help protect the environment and help to create a more secure America by reducing our dependence on foreign energy fuel sources.

A great solar heating system will save energy, reduce utility costs, and produce clean energy.

on Dec 12, 2009 | Heating & Cooling

1 Answer

What are energy drinks?


The term 'energy drink' is used to describe a type of beverage that is consumed for the sole purpose of providing an extra energy boost.

Jan 10, 2013 | Wine & Spirits

1 Answer

What is the term used to describe renewable ecologically safe sources of energy


Alternative energy generally a form or forms of energy that are not based on fossil fuels but are either renewable or sustainable without depleting a finite resource. Examples of alternative energy are Biofuel; Geothermal Energy; Solar Energy; Tidal Energy; and Wind Energy.

Oct 25, 2010 | Computers & Internet

2 Answers

Do not know how to use the energy saver feature


i have a problem for minolta di351 by code c009 pls help me

Feb 21, 2009 | Toshiba e-Studio 350 Copier

1 Answer

Which setting on an Energy Miser saves energy?


OFF is the Energy Saver mode.

To reduce moisture, there is a heater around the door seal that stays turned on, using energy. If you switch to ON, you use more energy.

It is confusing though.

Jan 17, 2009 | Kenmore 13.7 cu. ft. / 388 liter Upright...

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