San Antonio Roofing: Article About Solar Shingles
Solar shingles are the newest shingles that are becoming increasingly popular across the United States. Solar shingles, also known as photovoltaic shingles, are an ideal way to conserve energy. Solar shingles work as a dual resource because they protect a roof from harsh weather conditions and convert the power of the sun into usable energy. A homeowner who has solar shingles installed can expect to save an estimated 20 to 70 percent on energy bills, but this is dependent on where a home is located, the cost of electricity in an area and how many solar shingles will be on the roof.
There are many questions a homeowner may have about solar shingles. If a homeowner contacts a San Antonio roofing expert, then he or she will be able to answer any questions a homeowner has about solar shingle installation.
Solar shingles work like traditional solar panels, and each solar shingle contains photovoltaic cells. Within each solar shingle, there is a material known as semiconductors. One of the most popular types of semiconductors used for solar shingles is silicon. Since they have been in use, solar shingles have made emerging advancements. In 2008, the United States Department of Energy produced a 19.9 percent electrical conversion from thin film solar cells.
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Although solar shingles will deliver a cost savings on energy bills over time, they are extremely expensive to install. The cost of installation will vary based on how big the roof is and the slope of the roof. However, the federal government will give homeowners a 30 percent tax incentive on the cost of installation if they are installed before a certain date. There are also many cities throughout the United States that offer tax incentives for homeowners who are installing solar shingles.
If a homeowner does not have the funds to install solar shingles on the entire roof, an ideal option would be to replace a small section with solar shingles. Solar shingles are designed to look like asphalt shingles so they blend easily.
There are some disadvantages of installing solar shingles. A traditional roof has a lifespan of 20 to 50 years, but it is not known how long solar shingles will last because they are a new product. Another drawback is that not every roof is able to have solar shingles. In order to have solar shingles installed, a roof must have an angle that will adequately support the shingles.