Energy consumption of air conditioners at different temperature setpoints and additional energy demand for fans to reach equal thermal comfort

Last updated 23 Jul 2025

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Notes

AC = air conditioner. Data based on model calculation for a medium-well insulated one-room apartment in Singapore. AC consumption is calculated to keep the setpoint temperature on average at a SEER of 3.9 W/W. Two fans are assumed to be running for 8 hours each while on setting 2, consuming 5.7 W.

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