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Re: Solar water heating system value

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Posted by nicksanspam on March 7, 2006, 6:22 pm

Would that be 20 UK pounds per year? Sounds like a very poor water heater.
It seems to me that American families pay about $0 per month for hot water.

Would you believe 154.43 pounds?

Or both. Solar water heaters are typically undersized and overpriced.

Would you believe 249.24 pounds?

There's no reason a draindown system can't work in wintertime.

How about a solar-pond type water heater instead?

It's more rational to say

   I need hot water. What's the most economical system?


Posted by Derek Broughton on March 7, 2006, 6:44 pm
nicksanspam@ece.villanova.edu wrote:

You can risk it.  I'm investing in the glycol flat-panel system.


Posted by meow2222 on March 7, 2006, 11:25 pm
 Derek Broughton wrote:

Nick's point was that a draindown system without antifreeze can be
designed to be safe in winter.


Posted by Derek Broughton on March 8, 2006, 12:22 am
 meow2222@care2.com wrote:

I know what his point was.  He might even be right.  I, however, have no
intention of risking it.  I can, and will, profitably install a glycol loop
system with heat exchanger.

Posted by meow2222 on March 8, 2006, 2:57 pm
 Derek Broughton wrote:

What exactly is the risk you refer to in a system designed to be


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