Summary
Experts explain that leaving a ceiling fan on all day is generally safe because modern fans are built for continuous operation and use relatively low power. However, a running fan does not actually lower room temperature; it only creates a wind-chill effect that cools people, not empty rooms. For this reason, experts note that leaving it on in unoccupied spaces wastes electricity without real benefit. Continuous use can also slightly increase wear on motor parts over time. Most recommendations suggest switching fans off when you leave a room and using them strategically alongside air conditioning for better efficiency and comfort.
Good Housekeeping
