CAIRE FreeStyle Comfort Portable Oxygen Concentrator Review

Portable Oxygen Concentrators

The CAIRE FreeStyle Comfort Portable Oxygen Concentrator is notable for its distinctively ergonomic design and also its smart features. In addition, features like its effortless portability and easy-to-use design in this portable oxygen concentrator make it one of the best on the market. Continue reading for our full review of the Caire FreeStyle Comfort Oxygen Concentrator review.

Key Features of CAIRE FreeStyle Comfort Portable O2 Concentrator

  • Ergonomic design for an optimized level of comfort
  • UltraSense® technology offers sensitive breath detection for proper oxygen delivery
  • AutoDOSE safety feature monitors to delivers oxygen breath is not detected
  • Wireless connectivity to CAIREview telehealth allows you to stay connected

Benefits of using CAIRE FreeStyle Comfort Oxygen Concentrator

The CAIRE FreeStyle Comfort POC is lightweight, weighing in at only 6 pounds with the extended battery. This makes it ideal for taking on road trips, business flights and so much more! It even includes a comfortable and fully adjustable shoulder strap, so you can take it with you anywhere. This portable unit also boasts consistent oxygen delivery, meaning you never have to worry about whether or not you are receiving accurate oxygen therapy. The digital display is easy to read in any lighting, with a full-color LED readout.

How Does CAIRE FreeStyle Comfort O2 Concentrator Compare to its Competitors?

FeatureCaire Freestyle ComfortPhilips Respironics SimplyGo MiniPhilips Respironics SimplyGoDeVilbiss iGo
Battery LifeUp to 16 hours on extended batteryUp to 12 hrs. with extended batteryUp to 2.9 hours continuous flowUp to 4 hrs. continuous flow
CapacityDelivers 1-5 pulse flow settings. Maximum output of up to 1050 mL1-5 Pulse Dose Only1-6 Pulse Dose / 0.5-2 lpm Continuous1-6 Pulse Dose / 1-3 lpm Continuous
Weight5 lbs.5-6 lbs.10 lbs. with battery19 lbs. with battery

CAIRE FreeStyle Comfort Unit Design

The CAIRE FreeStyle Comfort stands apart for its sleek ergonomic design which contours to the shape of the body for easy carrying and comfort.

Maintenance for the FreeStyle Comfort

The CAIRE Freestyle Comfort also offers easy maintenance requiring only regular cleaning of the exterior and intake filters. 

CAIRE FreeStyle Comfort Noise Level 

The CAIRE FreeStyle Comfort operates at 43dBA at pulse dose setting 2. As a result, this is roughly the same noise level of a library, making this unit quite quiet.

Flow Settings on the FreeStyle Comfort

The unit offers pulse settings 1-5. These settings are determined by your prescription and should not be changed unless you consult your doctor.

FreeStyle Comfort Battery Duration

The CAIRE FreeStyle Comfort offers two battery options: standard and extended. The standard battery provides up to 8 hours of life on a pulse dose setting of 1. The extended battery can last up to 16 hours on the same flow setting. 

Oxygen Purity level

The unit delivers 90% oxygen purity. 

Ease of Use

Features like the full color LED display and also an intuitive interface makes the CAIRE FreeStyle Comfort portable oxygen concentrator easy to use for all patients. 

How Much does the CAIRE FreeStyle Comfort Portable O2 Concentrator Cost?

The CAIRE FreeStyle is available for $2,749.00. Users are able to choose to buy it in full or also monthly finance this machine.

Is There a Warranty?

The unit comes with a three-year warranty that protects your device from defects in workmanship. 

Is this FAA Approved?

The CAIRE FreeStyle is FAA-approved for use in-flight. As with all of our FAA-approved concentrators, we recommend contacting your airline prior to travel to see if any additional steps need to be taken.

What Accessories are Included with the CAIRE FreeStyle Comfort Unit?

The unit includes:

  • Carrying Case
  • DC Cord & AC Cord
  • Battery 
  • 5 Oxygen Nasal Cannula

Are Any Additional Discounts Available for the FreeStyle Comfort Portable O2 Concentrator? 

The Oxygen Concentrator Shop runs daily promotions and sales. In addition, monthly financing is also an option provided. You can also find out about future discounts by signing up for email notifications.

This post is based on the author’s sole review. Being a trusted online retailer, we sell only top-rated oxygen concentrators. We also want to hear your reviews and comments if you have used this product. If you have any additional questions about the CAIRE FreeStyle Comfort or portable oxygen therapy in general, be sure to contact our knowledgeable customer care team at 888-941-1688 or email