We have seen a steady increase in the interest of using an alternative but sustainable method to supply power to our homes. Today many people are now thinking of having a home wind power generator installed. For these people they have three choices they can either build it themselves using the DIY kits now available online, buy a pre-built system, or employ the services of a professional to set up the system for them.

The types of home wind power generators that people decide to use for providing another source of energy to their homes will typically incorporate the following parts: a base, a tower, a shaft, a generator and blades. The models of generators that obtain their power from the wind to supply to a home will have blades made from plastic, that when rotates will generate energy for the home.

The speed at which the blades will need to turn to provide enough energy to power appliances in a home is around 10 – 12 miles per hour. However, before you do purchase such a system to give you additional power you must know how large your home is in order to purchase the correct size generator. If you don’t buy one large enough then you won’t be able to produce enough energy to help power everything that you want it to in your home.

What can this source of energy be used for?

There are several reasons why more and more people are deciding to use wind as a way to provide additional energy source to their homes. Below we take a look at 2 of the most common reasons.

1. In order to supply electricity to power electronic appliances that they use in their home. The number of appliances your generator can power will depend on the size of the system you install.

2. Most people find that they use this form of sustainable energy to heat their homes during the winter months. This would be especially beneficial during power outages.

What are the benefits to be had by you if you install a home wind power generator?

1. It will help to not only reduce but possibly eliminate how much electricity you need to use from your utility company, so by reducing how much your electricity bills are on an annual basis.

2. You don’t have to be concerned when power outages occur as these systems have the ability to store up any residual energy in batteries which can then be used at a later time.

3. You will not have rely solely on your local power company for electricity. This will certainly give you a sense of accomplishment that you are doing your bit for saving this planet.

4. Of course, the biggest benefit is that this form of energy is environmentally friendly and you are not having any adverse affect on the environment surrounding you. In fact, you are helping to ensure that the environment remains green for much longer.

When thinking of installing a home wind power generator you need to check with your local planning authority to see what requirements need to be met. You may find that your system can only be up to a specific height and that you must install it so far away from your home and your neighbors homes.

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Back in the day if you thought about a home wind turbine, what would have come to mind is a large tower with enormous white blades spinning rather slowly. But, with the development in technology and the need for more and more people to become energy efficient, small residential wind turbines can now be erected at home. Even better news for green enthusiasts is the ability to make their home wind turbine, without spending thousands of dollars on contractors.

The science behind a home wind turbine

In a nutshell, a home wind turbine generates electricity by turning a motor. The motor is placed in the hub, on which three or five rotors are mounted, and then placed on top of a long tower. For the blades to spin effectively, they need to be facing the wind at all times, so either a tail (similar to a weather vain) or an electronic guidance system is used.

The generator is basically an electric motor. As the coils in the motor spin past the magnets, an electric current is produced. The power produced is stored in batteries, which are connected to an inverter to change the direct current to alternating current, which can then be used to power your home. The advancement of motor efficiency, is the reason wind turbines have become so popular for home use.

The tower is usually quite tall to help the blades catch as much wind as possible. But in open, windy areas, such as near the ocean, the tower can be a little lower.

Over time the blades have improved drastically as researchers developed lighter, stronger, more efficient blades, with the capability of turning even in the lightest breeze. Back in the day, wind turbines had five blades, and looked similar to windmill water pumps, but recently they have moved to three blades, taking the form of over-sized airplane rotors. Like the tower, the blades vary in size, according to your wind conditions and energy requirements.

What I have been describing so far is the average horizontal wind turbine. But you also get a vertical axis wind turbine (VAWT), with large water-wheel type blades that spin on a vertical axis. The VAWT is not ideal for residential homeowners or small business since the blades spin close to the ground and are not capable of catching the stronger, high-altitude winds. Another concern is the amount of bird and bat fatalities caused by these large, blades that are difficult to see when spinning at full throttle.

Things to consider before getting a home wind turbine:

How big is the property?

Home wind turbines tend to work better in open areas expanding over an acre, where few nearby buildings can deflect the wind.

What is the average wind speed?

For the system to operate effectively, it is best to install the wind turbine is areas where the average wind speed is at least 11 miles per hour. You could get away with this by erecting a taller tower, and fix on larger blades.

Other uses for the wind turbine:

If you could use the turbine for other purposes, such as pumping in water from outside, then it may be more useful than you think. This is the reason you see so many windmills scattered over farms – they help pump water from reservoirs to the farmhouse.

Do you suffer from random power cuts?

This is why so many people want to get a small wind turbine in the first place – to keep the house powered during blackouts, and prevent economic losses. Although the wind turbine may not power the house all the time, it’s stored power can be used in emergencies, when the utilities are just not enough.

Answering these questions will give you a good idea of how much power you need, how big the tower a blades need to be, and how much it would be worth investing to start making your own power at home.

The great thing about technology is that it is always improving. So much so that motors have become smaller, efficient and cheap enough for us to attach a few small turbines right on the roof, and produce the same power as a larger turbine on a tall tower.

Although professional home wind turbines can run into several thousands of dollars, it is possible to make your own for a tenth of the price, with components found at home and your local hardware store. Furthermore, the U.S. offers both state and federal tax credits that you can use to offset the installation cost. So not only will you reduce your electricity bill, but also your tax at the same time.

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As you will soon find out there are plenty of advertisements both online, and in magazines and newspapers offering wind generators for sale. However, before you rush out and invest in this new alternative energy supply for your home there are a number of things that need to be taken into consideration beforehand. Below we take a look at just what some of these are.

Factor 1 – Quality

You should invest in a good quality wind generator if you don?t want to waste any time or money having it repaired due to the blades getting jammed or other common malfunctions. Therefore, look for those for sale that offer a 5 year warranty or more. This is also a good indicator that the manufacturers have confidence in what they are producing because they know they would not make a profit using sub standard equipment backed with a long warranty.

Factor 2 – Find out How Much Energy Is Needed For Powering Your Home on an Annual Basis

The best way to do this is through contacting your utility company and requesting that they provide you with a summary of your annual home kilowatt usage. Using this figure you are then able to determine the size of wind generator to install to help provide enough energy to power your home each year.

As soon as you know the amount of energy required to sufficiently power equipment and appliances in your home you can decide on the kind of generator to supply it. You should be looking closely at systems that use a direct DC supply which allows energy to be stored for later use. This stored DC energy can then be converted into an AC supply in order to power appliances in your home. It’s recommended that the generator comes with a separate inverter for converting the DC energy to AC because the built-in inverters tend to become damaged easily. Replacing these built-in inverters could get expensive.

Factor 3 – What Planning Permissions Do You Need?

For those who are considering installing a free standing wind generator then planning permission may need to be given before it can be erected. Therefore, before you do anything else you must contact the local planning authority to find out exactly what their planning requirements are for such systems. Yet if you are only installing a small roof top model then you may find that you don’t actually need to obtain such permission before installing it. Certainly this is a good idea as not only are you saving time but also money.

Factor 4 – Cost

This is one of the most important things you need to take into consideration when thinking of buying one of the wind generators for sale. Yes, the price that the system is being offered at may look like a great deal, but you still need to factor in the cost of actually setting it up. Keep in mind, you may need to prepare the land on which the generator is to stand, which may require a concrete foundation to be laid beforehand. Then you need to take into consideration the other costs of wiring it up to your home. This includes ensuring that you are using the correct inverters to prevent your appliances from being damaged when using the energy generated by these systems.