Diffuser Comparison Charts




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Diffuser Comparison Charts


To learn more about the different types of diffusers, please click here.

Comparison Chart 1

Diffuser Style Air Pump Power1 Oil Capacity Noise Level2
Nebulizing Diffusers
Economy
EconomyDiffuser
2.13 PSI 1-5 ml Moderate
Well & Jet
9371
4.0 PSI .5-15 ml Moderate
Advanced
9375
6.5 PSI

Up to 15 ml Moderate

Ultrasonic Misting Diffusers

Whisper Misting Diffuser
9377
N/A 1 - 10+ drops Nearly Silent

Evaporative Diffusers

FanFuser
9315
N/A 2 drops-5 ml Low
Battery Operated
9310
N/A 10 drops-2 ml Low
Personal Aromatherapy
9396
N/A 5-15 drops Low

Heat Diffusers

Car Diffuser
9394
N/A 5/8 dram (2.3 ml) None
Plug-in Diffuser
9395
N/A 1 oz. (30 ml) None

1. Air pump power is shown as average PSI (Pounds of presssure per Square Inch). Actual pump output may vary by ±.4 PSI.
2. Noise level is given as average decibel (dB) level recorded at a distance of 18 inches from the diffuser in a quiet room. Diffusers without a number rating were too quiet to be detected by the sound-level meter. By comparison, a small room air-conditioner runs at about 71 dB.

*N/A means that that feature is Not Applicable to that style of diffuser.

Comparison Chart 2

Diffuser Style Air Saturation1 Directional Adjustment Power-Level Adjustment

Nebulizing Diffusers

Economy
9320
High

— —
Well & Jet
Well & Jet Diffuser
High

Yes Yes
Advanced
9375
Very High

Yes Yes

Ultrasonic Misting Diffusers

Whisper Misting Diffuser
9377
High Yes 10 Settings

Evaporative Diffusers

FanFuser
9315
Very High

— 2 settings
Battery Operated
9310
Moderate

— —
Personal Aromatherapy
9396
Low — —

Heat Diffusers

Car Diffuser
9390
Low

— —
Plug-in Diffuser
9395
Low

— —

1. The air saturation rating measures how much oil a diffuser can put into the air in a set amount of time for therapeutic purposes. Typically, the higher the air saturation rating, the larger the area the diffuser will cover (the actual square footage a diffuser can cover will vary depending on airflow, height of ceiling, climate, and the oil being diffused). Diffusers with a "Very High" rating have a maximum oil output ability of between .75 and 1.3 ml per 15 minutes of use. (*Note: all diffusers we carry with a "Very High" rating have a power-level adjustment so you can control how much oil is actually diffused. The maximum output is for the diffusers on their highest settings.). Diffusers with a "High" rating have a maximum oil output ability of between .4 and .75 ml per 15 minutes of use. Diffusers with a "Moderate" rating have a maximum oil output ability of between .1 and .4 ml per 15 minutes of use. Diffusers with a "Low" rating have a maximum oil output ability of less than .1 ml per 15 minutes of use. These levels are for lemon oil diffused in a warm, dry climate with moderate air flow. Actual oil output ability may vary depending on the type of oil being diffused, the climate, airflow, and diffuser variability.