Monday, January 19, 2009

Buying The Right Number Of Solar Panels

By David Sullivan

People's awareness of environmental issues has been becoming greater and greater with news of global warming and other environmental stresses. At the same time awareness of renewable energy like solar power has been increasing. They can now provide even residential homes with cost-effective means to power their homes and help to reduce pollution due to energy production.

If you want to start using solar energy in your own home, you should look for the best solar power panels you can find. How are you to know which solar panels are best for your needs? This article will present a look at the things you should think about when you are on the lookout for residential solar panels for use in your home.

The size of the solar panels is important so that you have a suitable amount of power for your house. The amount of electricity certain solar panels produce is expressed in watts. It is is actually a rate of electricity production in watts/hour.

You'll find that the watts of a panel is also going to affect the size. The higher the watts, the larger the panel is going to be. It's important that you get panels big enough to cover the various appliances that you have within your home. Also, remember that the higher the watts, the higher the price will probably be.

Efficiency is another thing to be taken into account. This is a measure of how much energy the panel can produce from sunlight. Of course, regardless of the efficiency of the panel, it will never provide more energy than is suggested by the wattage rating.

Warranties are also important when choosing a solar panel array. This will guarantee the durability of the panels so that you get what you paid for.

The warranty on purchased panels should be more than 10 years. This will produce almost enough power over that period to justify the purchase in most cases. Many panels come with 25 year warranty which will ensure that your purchase will be worth it.

Of course for most people today, cost is going to be an important part of selecting residential solar panels. The cost is determined by the longevity, the size, and more. Cost is important, but it shouldn't be the only thing you look at when you are choosing the panels for your home system.

Take a look at the big picture. Don't just think about the up front cost, but consider the overall cost and how the economic payback is going to be. If you'll save money in the long run, then it's a great deal. - 16492

About the Author: