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Why isn’t my electric bill lower even though the heat is set down 15 degrees at night?

April 26, 2017degrees electric heat isn’t lower Night

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Why isn’t my electric bill lower even though the heat is set down 15 degrees at night?

1 Answer

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The most economical nighttime setback temperature is 3-5 deg. below daytime temperature setting. If it is set any lower than that, the system will need to use the auxiliary heat to reach the morning set point. This will use up any savings gained by turning the temperature down at night.