SB: solar thermal/tankless/hot water/radiant heat

[wanda thomas <wkthomas@wtp.net>]

Hello, I've been listening for awhile.

I have studied solar hot water/tankless hot water heater for use with a 
heat exchanger tank.  We are building a strawbale home in eastern 
Montana, (lots of sky).  We have plumbed most of a home in a previous 
construction process and would like to plumb this project as well.  If 
anyone has specific design plans for this type of system, ie. 
controllers, expansion and pressure type valves I would appreciate 
direction.  I have seen design services available but I have read that 
the electric pumps in these systems are not very energy efficient.  We 
will have natural gas and electric, but plan to be off grid, (or at 
least running backwards) within three to five years of construction.  We 
have excellent wind and PV capabilities.  If there is a web site or page 
with diagrams, please direct.
Sincerely

Wanda Thomas


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