How much water will the average American save if they used solar water heaters?

The idea is not so much to save water, but to save energy - electricity, or fuel, for example.

The idea is not so much to save water, but to save energy - electricity, or fuel, for example.

The idea is not so much to save water, but to save energy - electricity, or fuel, for example.

The idea is not so much to save water, but to save energy - electricity, or fuel, for example.

The idea is not so much to save water, but to save energy - electricity, or fuel, for example.