On 12 Aug 2010, at 17:11, Levi Pearson wrote:

> On Thu, Aug 12, 2010 at 4:37 PM, Aaron Toponce <aaron.topo...@gmail.com> 
> wrote:
>> On Thu, Aug 12, 2010 at 04:00:57PM -0600, Levi Pearson wrote:
>>> As far as solar goes, you might also want to consider solar water
>>> heating, which could also reduce your gas bill.  It doesn't involve
>>> expensive photovoltaic cells, so it could be cheaper to implement.
>> 
>> Meh. I'm coverted to tankless water heaters.
> 
> People often use solar water heating as a pre-heater for tankless
> heaters.  You probably want the tankless on-demand heater in any case,
> as it can compensate for low solar days.
> 

Check this out:

http://www.adafruit.com/blog/2010/08/12/improving-solar-efficiency-with-a-sticker/


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