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New heat pump captures solar energy from seawater

SITKA, ALASKA A clean energy consultant believes a groundbreaking heating system in Seward using seawater may have applications in Sitka and other coastal communities.
Anchorage-based engineer Andy Baker has been assisting the Seward Sea Life Center to design and install the seawater system, which uses a heat exchanger in conjunction with a fairly conventional heat pump system to extract BTUs from the chilly waters of Resurrection Bay.
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