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Question
Air-to-water heat pump system designs can often be adapted for use with water-to-water heat pumps.
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Answer
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Related questions
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the number of years required for the investment to repay the higher initial cost using the savings it generates, relative to that of a conventional system c.
the number of years required for the annual operating cost savings to equal the installation cost d.
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total interest income earned multiplied by income tax percentage c.
installation cost divided by annual operating cost savings d.
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about equal to the average high winter air temperature d.
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