30 Jan '14, 4pm

Here is interesting info on solar water heating.

I was glad to see your question. We often field questions concerning small wind and/or photovoltaic systems but seldom hear anyone ask about potable hot water. I am a huge fan of solar water heating systems because of their relative simplicity, return on investment and life expectancy. System types First you will need to decide what type of system you want to install . Some of your options include flat plate collector, evacuated tube, direct exchange, and indirect exchange. Flat plate collectors are the least expensive. They require the least amount of maintenance. Evacuated tubes are more expensive but offer higher temperatures and efficiencies. Direct exchange may be an option in Central Florida if there is little chance of freezing temperatures (no actual freezes in the past 25 years). Indirect exchange involves recirculating antifreeze through the collector and exchang...

Full article: http://greenhomeguide.com/askapro/question/i-would-like-t...

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