Wednesday, December 22, 2010

Solar Roofing Tiles

Sometimes solar roofing tiles are referred to as solar roofing shingles. They are dark and purplish-blue in color and often blend in with general tiles or shingles. They can be mixed in with traditional roofing capital like slate, asphalt, and metal you will need more than one shingle since a single solar roofing tile will only collect about 50-200 watts of energy - which is only enough to power a small reading lamp. Some individuals even have free standing solar panels in their yards or gardens. Solar roofing tiles are thin and attach directly to the roof of a home. On average, a home uses about 25 kWh of energy. Make certain that at least this much wattage of solar rays will hit your roof. Tree limbs can be a problem, and they may need to be pruned away from the solar roofing tiles. Other rubble such as leaves, dirt, grime, and pollution may also cause problems. Snow must be regularly removed. This is acceptable because most solar roofing tiles and panels store energy in batteries or other collection devices. While most devices only store a day or two of energy, Grid-tie inverters will allow you to transfer energy back to the utility company to make a profit, but this also means that when the utility power goes off, the power goes off at your home.

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