Best Portable Oxygen Concentrators · head-to-head

CAIRE FreeStyle Comfort vs DeVilbiss iGo2

A sourced, side-by-side comparison. CAIRE FreeStyle Comfort is cheaper at $2395. Every spec and price links to its source.

Which is better: the CAIRE FreeStyle Comfort or DeVilbiss iGo2?

On the specs we track, they're closely matched. The CAIRE FreeStyle Comfort is the cheaper at $2395.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec CAIRE FreeStyle Comfort DeVilbiss iGo2
US price $2395 $3399
BrandCAIREDrive DeVilbiss Healthcare
Released2018-08
Oxygen output (ml) 1050 1014
Flow settings 1–5 1–5
Weight (lb) 5 5
Battery life hr 8 5
Delivery mode pulse_dose pulse_dose
Noise (dB) 39 41
Faa approved Yes Yes
Warranty yr 3 5

Sources — CAIRE FreeStyle Comfort: oxygenconcentratorstore.com (verified 2026-08-01). DeVilbiss iGo2: oxygenconcentratorstore.com (verified 2026-08-01).

What's the difference between the CAIRE FreeStyle Comfort and DeVilbiss iGo2?

Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.

  • Oxygen output (ml): CAIRE FreeStyle Comfort 1050 vs DeVilbiss iGo2 1014
  • Battery life hr: CAIRE FreeStyle Comfort 8 vs DeVilbiss iGo2 5
  • Noise (dB): CAIRE FreeStyle Comfort 39 vs DeVilbiss iGo2 41
  • Warranty yr: CAIRE FreeStyle Comfort 3 vs DeVilbiss iGo2 5

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