Keeping Your Money Employing A Solar Water Heater At Home
February 10, 2010 by admin
Filed under Alternative Power
Solar water heaters can be a cost economical option to crank out hot water for your residence. They need the ability to be used in any local weather, and also the supply that they use is freely out there – the sun.
The potential benefits may maybe warm you up to the thought of investing in an exceedingly solar water heating product that becomes a part of making an environmentally friendly house.
What They Are Created Of
Daylight driven water heating devices embrace things like solar collectors and storage tanks. There are two types of those heating systems: one is active – which use circulating controls and pumps – and also passive heating systems, that do not use them.
Passive heating devices are commonly less expensive than active systems, though they’re normally not as price-efficient. Nevertheless, passive systems will be able to be even additional dependable and might last longer. With regard to active systems, you ought to examine the servicing demands along with your system service supplier and consult with the system’s user guide.
Going Down the Tank
Virtually all water heaters that run on sun energy decision for a storage tank that’s insulated. These solar storage units have another inlet and outlet connected each to and from the collector. With a pair of-tank models, the solar heater warms up water just before it makes its way into the regular water heater. In single-tank systems, the solar storage is combined with the backup heater within a personal tank.
Electric Power When the Sun Is not Offered
Solar water heating devices nearly perpetually need a backup device for non-sunny days and instances of elevated need. Ancient water heaters normally provide backup and they might be some of the solar heating system bundle already.
The solar collector might additionally have a backup device in concert of its components, like roof tanks along with thermosyphon designs. Because an integral-collector storage system already gathers solar heat and keeps hot water, it would possibly be pre-packaged together with a backup water heater.
Initial Issues to Think about
Before you obtain and set up a solar driven water heating system, you should take into thought the immediate and ongoing expenses of solar energy systems, assess your location’s solar resource, establish the precise system measurements and energy potency, and then scan through your community rules and limitations.
The suitable installation is dependent upon your solar sources, native weather, local building regulation demands along with safety matters. It’s a sensible plan to get a professional, solar heating systems service provider set up your system.
Standard maintenance on basic devices will certainly be as sporadic as every three-5 years, and ideally completed by a contractor who specializes in solar technology. Models having electrical parts usually demand a replacement part beyond ten years.
The Investment Recovery
Although you will experience minor issues with present solar water systems, the technology is quick increasing on quality. For a shopper, these systems function a sensible investment thanks to the actual fact they can obtain themselves at intervals a brief amount of time, thereby bringing down your energy bills.
Also, a range of presidency authorities deliver rebates to customers who purchase environmentally friendly solar energy products. Along with saving funds, you are in a position to at the same time be eco friendly by decreasing your dependence on fossil fuels.
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Why Should You Go For Solar Water Heating?
February 10, 2010 by admin
Filed under Alternative Power
Having a solar water heater would allow you to save electricity and thus money. It is additionally your means of doing your bit for the nice of the environment. In the long term the value of electricity would become more expensive with the expected rise in fuel prices. Moreover, you will be facing a scenario of irregular power provide in your part of the country. For these reasons, a solar heater would enable you to have hot water even when the ability supply is cut whereas at the same time get pleasure from savings off your electricity bill.
How does one determine a good solar water heater?
A sensible solar heater should have sufficient collector area for the capability claimed. Typical flat plate collectors made within the country have an area of around 2sqm and are capable of heating around one hundred litres of water in a very day to a temperature of 50 – 60C. Collectors should use good quality materials and also the absorbers ought to carry a smart quality coating (BIS approved). The system should be mounted on a rigid structure and should be firmly mounted with the roof to stop injury in high winds. solar heaters fulfill all the factors required of a good solar water heater.
What are the factors that you should look out for in the installation of a solar water heating system?
Of the house, for the simple purpose of receiving unobstructed sunlight or shadow free area. The collectors of the system should face the sun and hence ought to be oriented due south for most interception of sunlight. there should be no obstruction to daylight within the south, west and east directions in that order of preference (an arc of about 120, 60 each sides of the southern direction should ideally be shadow free). As a rule of thumb, the requirement of shadow free area is around 3 square m for each 1m x 2m collector used. the realm should be flat, aloof from rain water drains and close to the bogs where hot water is to be supplied. Cold water should be accessible at the peak of around 2.5m from the bottom of the system.
Can the solar water heater be installed somewhere different than on the roof?
Yes, the solar water heater can also be installed on a bracket on a south facing wall and open ground with mess protection, shut to the bathrooms. vital things to note is the access to the system for repairs and proximity to the use point.
Does the solar water heater function even on cloudy days?
On partially cloudy days, the solar water heater would still work but not at its optimal level. On balance, the solar water heater system will be designed with a suitable electrical make a copy heater to take care of hot water demand on cloudy days. solar heaters are equipped with electrical back-up.
How long can the water stay heated by a solar water heater?
A solar heating system comes with an insulated storage tank which would limit heat loss. The hot water in the insulated tank should stay hot while not vital drop in temperature for around 24 hours.
Does the Indian government give money incentives to defray the value of a solar water heater system?
Incentives are available from the government. The Central Government through its Ministry of New and Renewable Energy provides soft loans @ 2% to domestic users, three% to institutional users not availing accelerated depreciation and five% to industrial/business users availing depreciation from Indian Renewable Energy Development Agency, public/non-public sector banks, scheduled cooperative banks, RBI approved no banking financing firms, intermediaries and other public/personal financing institutions. The borrowers will be eligible for loan up to 85% of the price of the systems, repayable over a period of 5 years. Please check these incentives at the time of purchase as the above mentioned is subject to revision by the State.
Most domestic solar heating systems are installed on the roof of the house for the straightforward purpose of receiving unobstructed daylight or shadow free area. The collectors of the system must face the sun and hence should be oriented due south for maximum interception of sunlight. there ought to be no obstruction to daylight within the south, west and east directions in that order of preference (an arc of about one hundred twenty°, 60° each sides of the southern direction should ideally be shadow free). As a rule, the requirement of shadow free space is around three sq. m for every 1m x 2m collector used. the world ought to be flat, off from rain water drains and shut to the loos where hot water is to be supplied. Cold water should be available at the peak of around 2.5m from the base of the system.
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Solar Water Heaters: Conserving Your Money Employing A Solar Water Heater At Home
February 6, 2010 by admin
Filed under Alternative Power
Solar water heaters or, as they’re likewise referred to as, solar domestic hot water devices, have the ability to be a cost efficient tactic to produce hot water in your house. They may be made use of with virtually any local weather, plus the fuel that they make use of – sunlight – is cost-free.
The potential uses might break down your resistance to the strategy of making the investment in a solar water heating product that becomes a component of creating an eco-friendly residence, along with other more traditional means of reducing energy costs.
What They’re Made Of
Solar powered water heating devices include storage tanks and solar collectors. There are two kinds of these heating devices: active – which include circulating controls and pumps – and passive heating devices, that do not.
Passive heating systems are generally less costly than active devices, but they’re commonly not as reliable. Nonetheless, passive systems can end up being extra reliable and may likely last longer. With regard to active systems, you may want to examine the maintenance necessities together with your system provider and consult the system’s user guide.
Going Down the Tank
The majority of water heaters that run on sun power demand an insulated storage tank. Solar storage tanks have an extra outlet and inlet connected to and from the collector. With 2-tank models, the solar heat tank warms up water before it enters the regular water heater. In single-tank designs, the backup heater is coupled with the solar storage in a single tank.
Electric Power Whenever the Sun Isn’t Out
Solar water heating systems nearly always require a backup system for cloudy days and times of elevated need. Standard storage water heaters usually offer backup and might be an element of the solar heating package.
A backup device could additionally be a portion of the solar collector, just like roof tanks with thermosyphon models. Because an integral-collector storage product already holds hot water as well as accumulating solar heat, it may be packaged along with a backup water heater.
Up Front Considerations
Prior to when you pay for and mount a solar driven water heating device, you should really give consideration to the financial aspects of solar power devices, examine your property’s solar resource, find out the proper system measurements and energy effectiveness, and then look at your regional requirements and ordinances.
The appropriate installation ıs dependent upon your solar resources, climate, local building code requirements along with basic safety challenges. It’s a good idea to hire a qualified, solar thermal systems contractor set up your system.
Routine servicing on basic devices can certainly be as sporadic as every 3–5 years, and preferably handled by a solar service provider. Systems having electrical elements commonly require a replacement component after a decade.
The Payback
Though there are small complications with existing solar water systems, the technology is rapidly increasing on quality. As a homeowner, these devices serve as a sensible investment decision because the expenses will be recouped in a small period of time, therefore trimming back on your utility payments.
Moreover, several government authorities offer rebates to individuals who purchase environmentally friendly solar power systems. While conserving financial resources with solar power and other measures to reduce energy costs, you can additionally be environmentally friendly by minimizing your dependence on non-renewable fuels.
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The Current Situation Of Solar Energy In USA And Japan
January 29, 2010 by admin
Filed under Alternative Power
Solar is a sustainable use of fresh energy. Within the hunt for sustainable development of human society, energy-saving building on the increasing use of solar energy is getting worldwide attention.
The status of solar energy use in United States is getting higher!
In United States, total energy consumption in building comes up to 30% -90%. It’s changing into a certain form of economic development constraints role. So, Yank development of solar energy is growing terribly rapidly.
In order to scale back energy consumption, cut back pollution and change energy structure, to achieve sustainable development, United States made a positive exploration of solar energy. “1,000,000 solar roofs set up” is the biggest within the progressive realization of the project plan. The U.S. plan is geared to the 21st century by a government advocacy. It is a development of medium and long-term plan. By implementation of this arrange, there can be 1 million roofs or buildings put in with solar energy systems, including solar photovoltaic systems, solar water heating systems and solar air heater system. By implementation of this set up, solar energy technology applications can be any expanded, to cut back greenhouse gas emissions, expand energy choices and produce new high-tech jobs. It will bring substantial environmental benefits and economic benefits. By 2010, countless the roof can be cherish production of 2-3 coal-fired electricity power plants. It can not solely meet their own electricity wants, however also been ready to sell electricity generated by solar energy.
Recently, U.S. scientists notice new energy from the vastness of space. Scientists envisaged launch the satellite energy collecting device. The solar panel installed in the satellite will collect energy in area, and the gathering of energy as microwave can be transferred back to Earth, and then converted into direct current. It can give low cost, clean, safe, reliable, sustainable energy.
Japanese current state of affairs in construction of solar energy utilization is very nice!
Because the second-largest economy, Japan is the primary energy consumption in major countries, and they’re depending on energy imports. But, in recent years, Japanese energy-saving technologies to significantly improve energy potency are obtaining higher rapidly.
In the sphere of solar energy use, Japanese photovoltaic roof system were installed 887,000 kilowatts by the tip of 2003.Japanese government plans to put in 4.82 million kilowatts by 2010.
In Japan, solar energy is very common in standard residential quarters. The residential quarters of the energy conservation efforts is clearly promulgated by the Japanese construction regulations and standards. There are a number of specific energy-saving measures for lighting. In energy-saving, the Japanese residential quarters are in the common application of solar energy, and it’s largely passive solar house system. Absorbing through the roof panels that efficiently collecting solar energy, it can enter the indoor with thermal (cold) wind according to interior rooms automatically. It will supply hot water as well. The employment of solar energy in Residential Space can not solely save power, but will additionally improve, defend the environment. It is conjointly per community building in the sustainable development of energy-saving in one direction. It’s obtaining Japanese government’s attention, Support and encouragement.
These 2 countries are all doing very well in the solar energy industry. Their scientists are operating terribly exhausting on this solar energy development as well. There are still a lot of obstacles in the development of solar energy. Within the close to future, the solar energy utilization will be a lot of vital as the shortage of oil. Thus it is time for us to pay attention to this industry!
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Solar Water Heating In Conjunction With A Tankless Water Heater
January 10, 2010 by admin
Filed under Alternative Power
How will a Solar Water Heating system work with a Tankless Water Heater? Initial let us a take a look at how solar heating works. In general there are solar collectors that capture the sun’s heat and transfer it to some liquid medium. That liquid medium can be the new water used later or a special liquid that transfers the warmth through a heat exchanger.
The solar collectors will be created from different materials. Copper and Glass are common. If you look at your car’s radiator you’ll see fins attached to a series of pipes. Here the engine’s heat is transferred through antifreeze or other liquid to the radiator. The radiator will then RADIATE the heat to the environment and therefore cooling the engine’s cooling fluid. The fins provide added physical radiation space for faster cooling and smaller radiator.
Currently, Solar Water Heating works just like that, solely the method is reversed. The fins or alternative surface expanding space is used to capture the sun’s heat and heat the water or another fluid inside it. All solar water heating systems have a storage tank and circulation system. The water is heated in the solar panels and then stored in a very storage tank that looks like the regular storage water heater tank. The solar tank is much higher insulated and retains the heat better since it doesn’t have a venting flue like the traditional tank.
In a direct solar system the water within the storage tank is then circulated through the panels to be heated when exposed to the sun and come to the tank again. This technique can work without a pump or with a pump, depending on the system’s design.
A temperature controlled mixing valve can then mix the water from the tank with fresh cold water to urge the specified temperature that’s set to. There are various safety parts to manage the pressure and temperature within the panels and the tank and prevent over heating of the components.
Combined with Tankless Water Heater
The tankless water heater’s computer forever measures the incoming recent cold water temperature and adjusts its gas burner thus the set hot water temperature will be achieved. The measurement of the outgoing heated water and therefore the incoming water happens many hundred times a minute. The computer then regulates the gas supply to the burner and measures the burner’s potency and regulates the oxygen for optimum combustion.
The incoming water to the tankless water heater will be of any temperature, almost. The pc will normally vary the combustion from approx. five% to 100%. A easy example while not consideration of water volume is that if the hot water temperature is about to 120 deg. F and therefore the incoming water temperature is at sixty deg. F the combustion would be set for a hundred%. If the incoming water temperature is a hundred and twenty deg. F then the combustion is set to 0% and also the burner wouldn’t be fired up. The tankless water heater is in a position to “pass through” the incoming water if it’s approx. equal to its set hot water temperature however it CANNOT cool the water.
A solar water heating system will easily be used with a tankless water heater. It’s one in every of the foremost economical ways in which of heating water. The outgoing heated water offer of a solar heating system will be the incoming water offer to the tankless water heater. Anytime the water is below the desired hot water temperature the tankless water heater would heat it to the set temperature and if already at that temperature it might merely “labor under” the hot water.
If such a system is meant and sized properly it can be run with a little tankless water heater that will act solely as an auxiliary heater to the solar system provinding hot water in cloudy days and be terribly price effective and energy saving.
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The New Rise of Alternative Energy
July 4, 2009 by admin
Filed under Alternative Power
You hear more and more about alternative energies these days a lot of people have different ideas about just what it is. I wrote this article to try to clear things up.
One way to look at it is to consider alternative energy an alternative to “standard” energy. Since the mid-1800s standard energy has pretty much meant fossil fuels – coal, oil and natural gas.
This wasn’t always the case. In the not too distant past, sailing ships and animals powered transportation.
A windmill by a ranch house is an icon of the American west because thousands of windmills were used to provide power to pump water before electricity was available.
Another example of earlier uses of what we now consider alternative energy is solar hot water heating. Several progressively better and more convenient solar water heating systems were available commercially in the early 1900s. At one point nearly 1/3 of the homes in Florida use solar hot water.
As you consider the above and similar facts I think you can see that the dominance of fossil fuels has been very brief and very recent. As it becomes harder and more expensive to meet our energy needs with fossil fuel, we need to return to other sources.
With that background, here’s my working definition of alternative energy: energy from a source other than the burning of fossil fuels (again coal, oil and its derivatives and natural gas).
We should make a distinction between alternative energy and renewable energy. People tend to assume that they’re one and the same but they aren’t. Some non-fossil fuel energy sources can be depleted.
Most sources of alternative energy have less environmental impact and burning fossil fuel. And most are renewable, meaning we don’t have to worry about running out of them. These considerations have led to the increased interest in exploring alternative energy today
The alternative sources people most commonly think of are solar power, wind power and hydropower. However, researchers are eagerly exploring other innovative sources as well. These include things such geothermal, biomass and tidal power.
I think we can safely expect that the use of all forms of alternative energy will increase until they become the new standard.
Types Of Renewable Energy Explored
May 9, 2009 by admin
Filed under Alternative Power
As the planet’s non-renewable energy sources start to run dry, everyone needs to do their part in making more use of abundant renewable energy instead.
To date there are four main types of renewable energy that we can produce: wind power, solar power, hydro power, and geothermic power.
Wind Energy:
Wind turbines have been around for millennia, further back than the birth of Christ. Over the years they have been used to pump water, drag boats and grind flour. But at the turn of the industrial revolution, wind turbines were made to produce electricity.
Although many people envision windmills as those ornate ones in Holland or the small wind-pumps on farms, they have been developed tremendously in the past decade. Now wind turbines are able to generate thousands of megawatts of power, and when used on a small scale at home, wind power can substitute conventional energy sources, helping households to get off the grid.
Solar Power:
Sunlight is the most abundant form of energy we have available, so there is no excuse for us not using more of it. But thanks to extensive research and development, we can make use of the sun in various ways – solar heating and passive solar design, solar electric power, and solar cooking and solar drying.
Solar water heating, solar electricity, and passive solar design are some the simplest and cost-effective ways to reduce your conventional energy use. They do not need much maintenance, and are really environmentally friendly. With solar cooking, no gas or electricity is needed, just some good sunshine. making it very popular for campers and travelers alike. Also, the food is cooked at a muhc lowere temperature, which helps to stop vital nutrients from being lost.
Water Power:
Like the ancient windmills, the power of the water was once used to grind flour or to power machines for irrigation.
Today hydro power is used in dams to produce electricity for households and businesses. Hydro-electric power is generate on a large scale where dammed up water is channeled through turbines, which spins a dynamo as it gushes through. The best example of hydro-electric power would be the Hoover Dam, which was built to provide electricity to Las Vegas. In fact hydro-electric power is efficient is popular nowadays that it accounts for over 90% of the worlds renewable energy.
Many environmentalists and socialists are against hydro-electric dams, since they affect the natural forna and flora and can cause the forced removal of entire cities.
Geothermal Energy:
Geothermal power is typically produced in areas with ongoing volcanic activity, where magma is relatively close to the surface. One such area is Iceland, where a large proportion of its power is produced from volcanic geysers.
Where this lava comes into contact with water, it super heats it and causes large volumes of steam to burst to the surface through geysers. The pressure from this steam is diverted and passed through turbines to generate electricity. Once the steam has passed through it is sometimes cooled, turned back into water, which is then pumped back into the geyser to make more steam. This makes it everlasting cycle…
Well, this concludes our brief overview of the 4 main types of renewable energy. You can find out more in-depth information on each type by reading our other articles or browsing our website in the link below.




