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Given that you are not changing the fluid in your water heater, and your heating source is 100% efficient, and you are paying a constant rate for your heating source, then turn off your water heater. Reason: The water in your water heater will always try to return to room temperature. The rate it returns to the room temperature is governed by the insulation around the water heater and the difference in temperature between your set point and the room temperature. So to keep the water heated to the set temperature, it requires adding the heat that passes through the insulation over time. If your water cools some amount, lets say 10 degrees, there exists a smaller temperature difference between the water temperature and the room temperature, and the cooling rate slows. This is why there is savings if you turn down your room temperature in the winter, or the water temperature.

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12y ago
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10y ago

If it's colder than 20 degrees outside and 30 degrees inside. (Sorry your electric power and thus heat is off.)

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Q: Do you need to leave hot and cold water on to keep it from freezing?
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How do you keep water cold?

Keep in the refrigerator or if u want it REALLY cold try freezing it


How do you stop water from freezing in Antarctica?

Believe it or not, you can keep water protected in Antarctica by keeping it in a fridge. The temperature is so cold that a fridge could keep it safe from freezing.


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The freezing point of water is lowered because by dissolution salt release heat.


What can you put in your dog's water bowl to keep it from freezing?

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The freezing point of water is 32 degrees F.


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well, the freezing point for water is 0°C, or 32°F.


How do you keep an ice cube from melting without a freezer?

You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.


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