13 Aug '12, 5pm

Thinking about solar water heaters? Good info here:

Thinking about solar water heaters? Good info here:

Return to No-Regrets Remodeling index Solar collectors Cold water inlet Pump (water pumped to collectors to be heated) Solar storage tank Hot water to taps Back-up heater Energy Source The Sun, with Gas or Electric Backup Minimum Efficiency Recommended Not available Maximum Efficiency Available Not available Expected Life 20 years Approximate Cost To Install $2,000-$4,000 Using the sun to heat water can be cost-effective and environmentally friendly. Solar water heating is generally more sensible for families that use a lot of hot water. Although it can work anywhere, it is more cost-effective at lower latitudes and in sunnier climates. A solar water heater needs a backup system. One easy way to provide backup is to add a solar system to an electric or gas storage water heater. A tankless heater can also be used for backup. There are active and passive solar water heaters....

Full article: http://hes.lbl.gov/consumer/help-popup/content/~consumer~...

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