Oscillation means that a fan automatically rotates back and forth, so that the airflow is spread over a wider area instead of staying focused on one spot. Turn on oscillation when several people are in a room or when you want to ventilate the entire room. If you want maximum cooling for one person, turn off the oscillation function.
How does a fan's oscillation function work?
With an oscillating fan, the head slowly rotates from left to right. The blades continue to spin; only the direction in which the air is blown changes continuously. This means that every corner of the room receives airflow in turn. On a pedestal fan, the movement is usually turned on and off with a button or switch.
When should you use oscillation?
Oscillation is useful when you do not have a fixed seat, for example in a living room where several people are sitting or in a workspace. The alternating airflow prevents the fan from blowing on the same person all the time. This feels more comfortable for many people, because a constant airflow on the body can feel cold or dry over time. Oscillation is also useful for ventilating a room: the air moves around a larger part of the room.
When is it better to turn off oscillation?
If you want to cool down as much as possible in one place, for example on the couch or at your desk, a fixed direction is more effective. The airflow is then continuously directed at you, instead of only part of the time. This also applies if you use a fan to dry laundry faster: point the fan at the wet laundry. You can find out where to place the device for the best cooling in where to place a fan for the best cooling.
| Situation | Oscillation | Why |
|---|---|---|
| Several people in the room | On | The air is distributed evenly |
| Ventilating the entire room | On | More air movement over a larger area |
| Personal cooling at your desk | Off | Constant airflow on one spot |
| Drying wet laundry | Usually off | The airflow remains directed at the laundry |
Does oscillation make a fan louder or less efficient?
The oscillation motor is an additional mechanism, so you may hear a soft clicking sound or hum. If the noise becomes bothersome, it may be due to a loose part or dust; read why your fan makes noise and how to make it quieter for more information. An additional moving part consumes hardly any electricity; the energy consumption is mainly determined by the main motor. In our opinion, oscillation does not noticeably increase consumption, but the exact effect varies by model. You can find out more about the cost of a fan in how much electricity a fan uses per hour.
Direct answer: oscillation makes the fan automatically rotate back and forth, so that the air is spread over a wider angle. Use it when there are several people or to ventilate the entire room; turn it off for targeted cooling in one place.
An oscillating fan from Dynter
Product: AirFlow AV25G pedestal fan (white or grey)
The AV25G has an oscillation function that automatically spreads the air over a wide angle, so that every corner of the room is cooled evenly.
Airflow: air speed 5.3 m/s and CADR value 3533 m³/h
Controls: control knob with three speed settings
Height: manually adjustable from 80 to 125 cm
Energy consumption: 55 W (AC motor)
Foldable: folds down to 42 × 42 × 20 cm
View the AV25G in white, the AV25G in grey or the air conditioners and fans collection.
Frequently asked questions
What is the difference between oscillation and a rotating head?
They are the same: with oscillation, the head automatically rotates back and forth. The blades always spin.
Does an oscillating fan cool less effectively?
You feel the airflow less often at one spot, so the cooling is less consistent. In return, a larger part of the room is reached.
Can I turn oscillation on and off during use?
Yes, on most pedestal fans. Consult your model's manual for exact operating instructions.
Is oscillation useful in the bedroom?
Often yes, because an alternating airflow is less likely to be bothersome than a constant stream on your body. In any case, do not point the fan directly at your face for extended periods.
How do I clean an oscillating fan?
Unplug the device, remove dust from the grille and blades with a soft cloth, and dry everything thoroughly. More steps are available in our blog post about cleaning and storing a fan, such as here.