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It’s imperitive that you realise that solar panels have two distinct funtions: generating heat and producing electricity. You also need be aware of the difference between the two as they are not interchangable But both types can save you money and help you live a greener lifestyle.

Solar Energy: Two Distinct Functions

A solar thermal collector harnesses energy from sunlight to heat water and even other fluids, such as oil. This method uses tubing in which the water runs through once heated These types of panels are ideal for heating swimming pools, spas, hot tubs and hot water for homes and businesses. They can also heat building interiors by using baseboard heating units and hot water flooring systems. You will find that once this type of system is in place it is sufficient for all heating requirements

Solar photovoltaic cells help produce DC (direct current) electricity. Most typically, they use semi-conductor material (silicon) in the panel, which interacts with sunlight to produce electricity. This electricity can be used to run household and electrical appliances, or even the whole house if the system is big enough. The electricity is only created by the panels during the day when they are receiving direct sunlight.

Solar Panels: The One Stop Home Energy Supply Unit

To ensure that you have continuous energy twenty four hours and through all weathers you can include a back-up battery unit with your system. You can use less expensive lead-acid batteries (like you car uses), but it will be necessary to make sure they are filled with distilled water in order to maintain their charge. Some batteries are more costly, but they have certain advantages. Sealed AGM (absorbent glass mat) batteries will retain their charge without any maintenence. Freeze-resistant gel batteries are ideal for colder climates.

For both the thermal collector and the photovoltaic systems, glass panels are used to encase their collection systems, and both must have direct sunlight to function. The panels are best situated in a location that faces south and provides maximum access to sunlight throughout the day. Solar panels can be used in almost any geographical location, but they will not be as effective in areas that have a high number of overcast days during the year.

It’s prudent to have a back-up supply in place even if you live in a sunny climate. Backup generators can be fueled with biodiesel to maintain your green lifestyle. And you’ll be glad you have one if your battery storage fails or there is a long period of overcast weather.

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