Join Peter Biondo from iSolar Hot Water as he explains which solar collectors are the best for solar water heating and the advantages of drainback. He discusses open loop, closed loop and drainback systems and highlights the risks of pressurized systems. Peter emphasizes the benefits of drainback systems, including extended lifespan and reduced repairs. Proper sizing of solar thermal collectors is crucial, and he recommends using the System Advisor Model for accurate sizing.
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