Oxygen Therapy Brands and Manufacturers

Which of the top oxygen concentrator brands are the best? That actually depends on what you're looking for. The brands that we offer are all the most dependable, and are considered the best in the industry. It's important to shop for the most dependable oxygen concentrators and equipment, since you are using them to treat your medical condition.

We'll go over the brands and give an overview of each, as well as go into detail about their specific products. You might start to see a pattern when it comes to which brands specialize in certain technologies, as well as the length of battery life and certain features.

This can serve as a helpful buying guide if you're unsure which oxygen concentrator you should go with. You have to consider the future when you will will need to purchase new accessories such as replacement filters and batteries.


AirSep is known for creating powerful and dependable oxygen concentrators that are also the smallest on the market. AirSep now includes the Sequal product line of oxygen concentrators and accessories.

AirSep Focus: The Focus weighs less than 2 lbs and comes with 2 batteries that last for a total of 2 hours.

AirSep Freestyle: Weighs just 4.4 lbs with the internal battery, with 3.5 hrs of battery life on its own.

AirSep Freestyle 5: Weighs just 6.2 lbs with the battery and will last as long as 5 hrs.

The AirSep AirBelt and Supplemental Battery Pack are compatible with these small portable oxygen concentrators for even more battery life.

AirSep Visionaire: The Visionaire 3 delivers up to 3 LPM, and the Visionaire 5 delivers up to 5 LPM of continuous-flow oxygen.

AirSep Intensity: Weighs 58 lbs but features a built-in nebulizer, and can deliver up to 10 LPM of oxygen.

AirSep Companion 5: Weighs 36 lbs and has 10 doses of oxygen, between 0.5 and 5 LPM in 0.5 increments.


Respironics is a branch of the Philips electronics company and is known for manufacturing the top oxygen concentrators in the market.

Respironics SimplyGo: A portable oxygen concentrator that has both continuous flow and pulse dose oxygen. This unit weighs 10 lbs with both batteries.

Respironics EverGo: Has pulse dose oxygen from 1 to 6 ml/min in 0.5 increments and weighs 10 lbs with both batteries.

Respironics SimplyFlo: Small stationary oxygen concentrator at just 8.5 lbs. Max oxygen dosage of 2 LPM.

Respironics EverFlo: A 31 pound stationary concentrator with dosages from 0.5 to 5 LPM.


Inogen is dedicated to continuing making better and better oxygen solutions to keep up with its customers. They have been innovative in increasing the freedom of those who need oxygen therapy. Their products are made in the USA.

Inogen One G3: Two battery options, 8 cell and 16 cell batteries and will weigh a max of 5.7 lbs with the 16 cell battery. Max oxygen setting of 4 pulse dose.

Inogen One G2: Two battery options, 12 cell and 24 cell battery, and will weigh no more than 8.25 lbs. Max oxygen setting of 6 pulse dose.

Inogen At Home: This small stationary oxygen concentrator weighs 18 lbs and has a max dose of 5 LPM.


SeQual is now a part of the AirSep company but continue to make their signature full-featured and dependable oxygen concentrators.

SeQual Eclipse 5: The latest in the Eclipse line of portable oxygen concentrators. Weighs 18.4 lbs with the battery, and offers pulse dose and continuous flow up to 3 LPM.

SeQual eQuinox: The same settings and battery power of the Eclipse 5, only small and with more features. Weighs just 14 lbs.


A medical supply manufacturer based in Ohio, known for creating high-quality products that help improve the quality of life for those with chronic illnesses.

Invacare XPO2: Weighs 10 lbs with the battery that lasts as long as 3 hrs. The pulse dose settings range from 1 to 5.

Invacare Perfecto 2: Stationary oxygen concentrator that weighs 43 lbs with a max dosage of 5 LPM.

Invacare Platinum 10: 53 lb stationary unit that can deliver up to 10 LPM of continuous oxygen.


Devilbiss Healthcare manufactures some of the best medical equipment, with some powerful oxygen concentrators.

Devilbiss iGo: A portable oxygen concentrator that features both pulse dose and continuous flow oxygen. Weighs 10 lbs with the battery.

Inova Labs (Lifechoice)

The creators of the Lifechoice portable oxygen concentrators, as well as others, which have made the biggest strides in being able to use oxygen therapy during travel and at home.

Lifechoice Activox: Weighs just 4.3 lbs and provides up to the equivalent of 3 LPM of oxygen.

Lifechoice Activox Pro 4L: Only weighs 4.8 lbs and has a max of the equivalent of 4 LPM of oxygen.

We'll always have the best of the best in stock. As better models come out, you can check back to see great deals on the best oxygen concentrators on the market.

About Scott Ridl: Scott joined American Medical Sales and Rentals in 2008 as a Web Manager and Content Writer. He is a writer and designer. He is extensively trained on oxygen therapy products from leading manufacturers such as Inogen, Respironics, Chart, Invacare, ResMed and more. Scott works closely with respiratory therapists and oxygen specialists to educate the community about oxygen therapy products, COPD, asthma and lung diseases. He writes weekly columns and is passionate about educating the community on oxygen therapy and respiratory issues.

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