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If you leave in Northern Florida that the annual average temperature outside changes on the minimum...

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Mechanical Engineering

If you leave in Northern Florida that the annual averagetemperature outside changes on the minimum to 40 F and Summer to 80F, to save energy, is it better to turn off your water heater andturn it on 1 hour before shower or use, or let it to be on all thetime. The water set temperature is normally around 110 F. Show withdetail calculations if there is any energy saving.

Answer & Explanation Solved by verified expert
3.8 Ratings (729 Votes)
Solution Heat transfer Q M x S x T where M Mass of water S Specific heat capacity of water T Change in Temperature Water set temperature Tf 110 F Consider Winter Case Min temp of water Ti 40    See Answer
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