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Category Archives: solar dhw
BBHA SDHW Design Ideas
A drainback system using Evacuated tube collectors A Drainback tank with heat exchanger AET Solar model DB-10-10XC And a 80 gallon insulated storage tank with one heat exchanger. This tank stores tempered water prior to feeding it through a Toyo … Continue reading
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SDHW System Design Notes
There are three steps in the design of a solar DHW system: determination of solar energy available per unit area of collector, determination of heating load, and sizing the collector for cost effectiveness. System sized to provide 90-100% of total … Continue reading