Solar Hot Water—the fuel is free
Domestic hot water can account for 25% of the average home energy cost. Reducing the cost of your hot water bills makes good sense..
Solar hot water is an extremely cost effective way to reduce energy bills—much so that it
needs no government subsidies to make it affordable.
Solar Water Heaters can be used in any climate, and the fuel they use—sunshine—is free.
The Economics of a Solar Water Heater
On average, if you install a solar water heater, your water heating bills should drop 50%–80%. Also, because the sun is free, you're protected from future fuel shortages and price hikes.
If you're building a new home or refinancing, the economics are even more attractive. Including the price of a solar water heater 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–$5 per month. So if your fuel savings are more than $15 per month, the solar investment is profitable immediately. On a monthly basis, you're saving more than you're paying.
*source US Department of Energy
How Solar Water
Heating Systems Work
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