HVAC Controls 26408-23 Practice Test

A reset schedule reduces energy consumption by doing what?

Permanently increasing all setpoints Gradually changing a temperature setpoint over time to save energy Decreasing system reliability Increasing outdoor air at all times

Correct Answer:

Gradually changing a temperature setpoint over time to save energy

Explanation:

A reset schedule saves energy by automatically shifting the thermostat setpoints over time instead of keeping them fixed. By gradually changing the target temperature based on factors like time of day or occupancy, the HVAC system runs less aggressively when full conditioning isn’t needed, while still returning to comfortable levels when people are present. For example, during unoccupied periods you might raise the cooling setpoint or lower the heating setpoint, then revert before occupancy resumes. This approach reduces the number of full heating or cooling cycles and lowers compressor and fan energy use, all without compromising comfort when it matters.

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