Action - Solar Water Heater
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Solar water heaters are units that can supplement or replace an existing gas or electric water heating system. Solar panels will be installed on the exterior of the house to heat the water.
"A typical solar hot water system will reduce annual energy costs by 40 to 50 percent. You can expect that a solar water heater will provide you with 1500 to 3000 kWh of energy per year, depending on your hot water usage and regional climate." - from http://www.canren.gc.ca/prod_serv/index.asp?CaId=138&PgId=1268
Benefits and costs
| Annual CO2 Savings | 350 - 1,500 kg |
|---|---|
| 770 - 3,300 lbs | |
| Annual Cash Savings | $105 - $450 |
| Initial Cost | $2,000 - $6,000 |
| Time to pay for itself | 4.0 - 57.0 years |
| CO2 saved per year per initial dollar invested | 0.06 - 0.75 kg |
* These value ranges were taken from many sources including product documentation, published reports, and the reference material linked here.
Reference Links
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 | Solar hot water details and history |
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