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Solar Space Heater Update

I visited my 78 year old friend Al who lives in the next town over. He

has been using the solar hot box we built as renewable energy group

project for the last two days. Today was of particular interest to me

because our temperatures were between 25F - 55F. We found the solar

box to be cranking out a comfortable amount of warm air this morning.

Temperatures were between 100F - 140F depending where we measured. The

two mistakes we made on this projects were:

 

- not allowing the system to off gas before connecting to the house

 

- the use of blueboard (foam) it is melting in the heater and probably

not necessary

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Uploaded on November 8, 2008
Taken on November 7, 2008