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Solar Hot Water Backup Options
#1 Posted : Sunday, December 21, 2008 6:45:44 PM
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Posts: 134,494
I am planning to install a closed loop solar hot water sytem with flat plate collectors next year.

I am looking for recommendations on what type of back up system would be ideal. Conventional or tankless? Also if there are any guidelines on sizing the system that would be helpful.

#2 Posted : Sunday, December 21, 2008 6:45:44 PM
Rank: Guest

Posts: 134,494

 I see a big shift in costs and materials ....applications .

 multiple glass mirror concentrators will be lowest cost  water heating systems .

 Im in GDL Mex , gas will be low cost , glass making uses Nat Gas !

     wow    EVEN     lower   cost ...  

    Maybe even steam engine - electric plants !


    Long ago , i thought polished alum , but NOT , glass mirrors are much longer

 life and you dont need protection for mirrors , just change em out when they break

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