
Is your current concentrator too loud? Not getting a quality nights sleep due to loud buzzing, whirring or puffs? It sounds like it's time to upgrade to a quieter, lighter, and more efficient solution! Take a look below to check out which of our home and portable oxygen concentrators rank the most quiet!
What is a decibel level?:
A decibel is the unit used to measure the intensity of a sound.Take a look at the chart to the right. There you can see a simple breath is rated at 10 decibels. To compare, the rustling of leaves is measured at 20 decibels while the audio from a standard television is around 70 decibels.
As you can see, the human ear can pick up on an incredible range of sounds which is why having a quiet oxygen concentrator so important! Look over this chart and compare the noise levels with the quietest home and portable units below! You won't be disappointed with how quiet and discreet these concentrators can be!


Respironics EverFlo Q
Home Concentrator

Ultra Quiet - 40 Decibels (Based on a Setting of 2): The EverFlo Q is one of our most popular portable concentrators and has an impressive 40 decibel level depending on setting. If you take a look at the decibel level chart above, you’ll see the 40 decibels is equivalent to the noise level in a Library.
Having a quiet concentrator gives you peace of mind and avoids embarrassing situations in noise conscious areas. Watch a movie, take a nap, or attend your grandchild’s ballet recital without noise interruptions ever again! The EverFlo Q is one of the quietest home units available on the market today and is oxygen ready whenever you are!
Powerful: The Respironics EverFlo Q is a reliable powerhouse delivering up to 5000 ml per minute of continuous flow oxygen and that’s not all! With easy spin dial you can customize your oxygen output level up to .05!
Portable: With the EverFlo Q you'll never sacrifice portability for power! At just 31 pounds, the stylish and compact design allows you to fit it easily into any room without it being an eyesore or taking up too much space! It also features 4 easy rolling wheels on the bottom of the machine to make moving from room to room and transitioning from flooring to carpeting hassle-free and easy!
Affordable: The best part? This top seller, is one of our most affordable units and doesn’t sacrifice any quality or power; making it an easy favorite!
Home Concentrators With Similar Decibel Levels:
- AirSep VisionAire 3: 40 Decibel's (depending on setting)
- AirSep VisionAire 5: 40 Decibel's (depending on setting)
- Inogen At Home: 40 Decibel's (depending on setting)

SeQual eQuinox
Portable Concentrator

Whisper Quiet - 37 Decibels (Based on a setting of 2): The SeQual eQuinox is one of the newest concentrators from the SeQual brand and comes in at an impressive 37 decibels. If you take a look at the chart above you’ll see that 37 decibels is quieter than a library. It’s easiest to equate it to a loud whisper or a desktop computer running.
If you’re looking to keep the same lifestyle or become more active a quiet concentrator is a must! Grabbing a bite to eat with friends, attending a show, or even just watching a movie with a loud concentrator can easily start to annoy you and the people around you. Forget the embarrassment and noise with the whisper quiet SeQual eQuinox!
Versatile: The eQuinox is unique in that it allows for both pulse dose or continuous dose oxygen delivery. This is a great unit for those who require oxygen at night but still desire the transportability of a portable unit during the day!
Powerful:This incredible unit also comes equipped with an audible voice alert system that can be set to 8 different languages! An audible system that alerts you when your units has low battery, poor oxygen purity, and more gives you the peace of mind to forget about your concentrator and enjoy your everyday life!
Light Weight & Portable: You may be familiar with the Eclipse 5 portable concentrator, the eQuinox is simply its upgraded big brother. Although by big we don't mean size. The SeQual eQuinox weighs in at an easily manageable 14 pounds; lighter and smaller than the Eclipse 5! This unit also comes with an easy rolling cart to make travel and storage that much easier!
Portable Concentrators With Similar Decibel Levels:
- SeQual Eclipse 5: 37 Decibel's (depending on setting)
- Inogen One G3: 38 Decibel's (depending on setting)
- Inogen One G4: 40 Decibel's (depending on setting)