Saturday, October 13, 2012

The subterranean system is running!

First I started hanging the Reflectix (semi-rigid bubble wrap insulation) above the pond:

Then I hung the 5w panel:

Finally I ran the wiring and connected:
Air is slowly moving out the end of the longest tube, so I would consider it a success for now.

I really have no way of testing the effectiveness of this system.  I is pretty much just a good theory that pumping heated air underground during the day will radiate up at night.  I guess I could disconnect and test the nighttime temps with and without the fan running, and maybe I will do that when it gets really cold...

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