Testing of Solar-Powered Water Tank

Alaska-based Cold Climate Housing Research Center (CCHRC) has launched a project to tap a huge water tank to meet its heating needs. The ambitious project involved insulating a school-bus-sized tank with a thick layer of spray foam and lowering it into a deep trench with a crane.

As per the plan, the 2500-gallon tank will be filled with water and gradually heated by sixteen 2 x 6 south-facing thermal solar panels. The temperature will reach as high as 180 degrees during the summer peak. According to CCHRC’s research engineer, Bruno Grunau, this heat will be used during the months from December-February, when the sun isn’t shining.

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