As fuel prices fluctuate and consumers struggle to cope with the rising costs of operating their homes, green-minded homeowners are turning to the sky for solutions.
Major Equipment & Remediation
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Yellow Finch Llc
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(ARA) - As fuel prices fluctuate and consumers struggle to cope with the rising costs of operating their homes, green-minded homeowners are turning to the sky for solutions.
According to the Union of Concerned Scientists, all the energy stored in the earth's reserves of coal, oil, and natural gas is matched by energy from just 20 days of sunshine. The use of wind power to generate electricity is only at about one percent of capacity world-wide so the future for utilization of renewable energy, including not only solar and wind, but tidal and other water power is encouraging.
Homeowners considering utilizing sunlight to reduce energy bills, and lessen their carbon footprint, have two primary choices available – solar thermal water heating and photovoltaic electricity generation.
The photovoltaic process uses the sun to generate electricity and solar thermal uses the sun to heat water. Both are green and both are good. But solar thermal often is the technology of choice for homeowners primarily due to lower initial cost, greater efficiency, and faster payback for the investment.
Kevin Hughes, writing for greenbuildingelements.com, came to that conclusion before installing a solar thermal system in his San Francisco home.“Solar electricity is expensive to purchase and install; it has a long pay back period; it converts sunlight to usable energy fairly inefficiently, and because of that, you need quite a lot of roof space or land to put up enough panels to power your home.
“I prefer solar thermal, specifically solar hot water, a much older technology. It is much cheaper to install, much more efficient, and has a much faster pay back,” he says.
Jim Cika, manager of solar products for VELUX America, recommends that consumers do their homework on the technologies, as well as calculations for how solar-friendly their homes may be, factoring in geographic location, orientation of the roof for solar collectors, costs, tax incentives and rebates that may be available to arrive at an economically sensible and environmentally sensitive decision.
The Internet offers a number of Web sites that can be helpful with an analysis and then with locating products and installers. Findsolar.com and nabcep.org list certified installers by state. Solar-rating.org lists certified solar-equipment manufacturers.
Eere.energy.gov/consumer includes a link to a calculator for initial cost, annual operating costs, and determining payback, as well as a consumers' guide to solar thermal while nrel.gov offers a consumers' guide to photovoltaic. Federal and state tax credit information, by geographic area, is available at dsireusa.org.
According to the Solar Energy Industries Association an average-sized, 4.5-kilowatt residential photovoltaic system costs $40,000 to $50,000, before tax credits or rebates. Cika says that the average solar thermal hot water system would range between $7,000 and $10,000. “On average,” he says, “if you install a solar water heater, your water heating bills should drop 50 to 80 percent – not an insignificant sum when you consider that the Department of Energy says that water heating can account for 14%–25% of the energy consumed in our homes.”
While a solar thermal system usually costs more to purchase and install than a conventional water heating system, it can save you money in the long run. How much depends on factors including the amount of hot water you use, your system's performance, your geographic location and solar resource, available financing and incentives, the cost of conventional fuels and the cost of the fuel you use for your backup water heating system, if you have one.
If you're building a new home or refinancing, the economics are even more attractive. Including the price of a solar thermal system in a new 30-year mortgage usually amounts to between $13 and $20 per month. The federal income tax deduction for mortgage interest attributable to the solar system reduces that by about $3 to $5 per month. So if your fuel savings are more than $15 per month, the solar investment is profitable immediately.
Cika says that solar water heating represents a logical first step for homeowners who want to harness the power of the sun because it is relatively simple technology compared to generating electricity from the sun. “The technologies accomplish different objectives,” he says, “but they both will pay increasing dividends to homeowners who utilize them now and in the future.”
For more information on the benefits of solar water heating, call (800) 283-2831 or visit veluxusa.com/solar.
Courtesy of ARAcontent