How to Choose an Oil Diffuser

- Aug 22, 2017-

How to Choose an Oil Diffuser

Nebulizing Diffusers

A nebulizer or atomizer offers the advantage of dispersing a relatively large quantity of essential oils into the air rapidly. The principle is similar to that of an electric perfume sprayer. Nebulizers disperse tiny droplets of oil into the air by suctioning from the oil source bottle. Many nebulizers have timers that enable you to set them to run for a suggested 15 minutes per hour. Others allow you to adjust the volume of oil to disperse, while some do both. They work especially well for larger areas when you need to create an aroma therapeutic atmosphere quickly and effectively. The downside is that you can run through a bottle of essential oil very quickly if you allow it to run continuously.


Humidifying or Ultrasonic Diffusers

Like a nebulizer, an ultrasonic diffuser functions by developing a very fine mist, but it stimulates the oil by applying an electronic frequency from a metallic disc or strip immersed in water, which layers beneath the oil. The metal vibrates rapidly, causing the top layer of oil along with some water vapor to disperse into the air. Since there is no heat involved in the process, it uses very little energy. It is also cost effective, as virtually all the oil transfers into airborne mist. Many ultrasonic diffusers are also equipped with timers and can run as long as nine hours at a time. The sound is pleasant, resembling that of water trickling.

 Oil diffuser

Evaporative Diffusers

As the name suggests, evaporative or fan oil diffusers work on the simple principle of a small, quiet fan blowing across an absorbent, sponge-like medium. You just saturate the sponge with oil, and the fan disperses the scent into the room. The only problem with fan diffusers is that the lighter elements of the oil that are on the top layer disperse initially, and the heavier components follow. This creates a slight variation in the aroma, but many never notice. Earlier evaporative diffusers had a tendency to be a bit noisy. Modern versions are so quiet that it is easy to forget they are running. There are options for the power supply, including battery diffusers and electric plugin types.


Heat Diffusers

Many aromatherapy fans favor heat diffusers simply because they are silent. With tea light diffusers, a small candle provides the heat. An electric oil diffuser derives the heat from a small light bulb. Some incredible stone oil diffusers made from carved soapstone provide as much artistic value as olfactory. The problem with heat diffusers is that the heat can change the chemical composition of the oil. The best heat diffuser designs keep the heat source far enough from the oil pool to minimize any breakdown. It is important to use the recommended candle or light bulb for the best results. There is also the obvious danger of using any open flame, especially when children or pets might become interested.

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