The Front Desk Review

Inogen · Updated August 2026

Inogen One G3: price, specs & release date

Inogen One G3, released 2012. Every price and spec below is linked to its source and dated — no guesses.

Source: oxygenconcentratorstore.com verified verify in ledger

BronzeDeskmark35/100#8 of 13 in class

The Inogen One G3 is listed at $2640 on oxygenconcentratorstore.com as of 2026-08-01, #5 cheapest of 9 portable oxygen concentrators (median $2640); other retailers may be lower. It earns a Bronze Deskmark — 35/100 pay-blind standing, #8 of 13 in class.

Verified Aug 1, 2026 · figures linked to their source in the table below

Cheapest portable oxygen concentrators: ResMed Mobi — $2295

See Inogen One G3 on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
Inogen One G3 — Inogen
Image: oxygenconcentratorstore.com (© Inogen)

Is the Inogen One G3 a good buy?

At $2640, the Inogen One G3 is #5 cheapest of the 9 portable oxygen concentrators we track, where the median is $2640. On the spec sheet, its warranty yr of 3 is the lowest of the 13, its weight of 4.9 lb is below the median of the 13, and its battery life hr of 9.5 is above the median of the 13. By release date, it is the oldest of the 11 we date.

Specifications

Price (US)$2640 Sale price at oxygenconcentratorstore.com against a $2,995.00 manufacturer list price.
BrandInogen
Released2012
Oxygen output (ml)1050
Flow settings1–5
Weight (lb)4.9
Battery life hr9.5
Delivery modepulse_dose
Noise (dB)39
Faa approvedYes
Warranty yr3

Source: oxygenconcentratorstore.com (verified 2026-08-01). Max output 1050ml/min across 5 pulse settings (per-setting ml breakdown not published on the retailer page). Weight 4.9lb with the 8-cell battery, 5.7lb with the 16-cell battery. Battery life on the 16-cell battery ranges from 9.5h at setting 1 to 3.3h at setting 5 (9.5h used as headline runtime); the 8-cell battery ranges 4.5h down to 1.7h. Noise 'less than 39 decibels' (not tied to a specific setting per this source). Oxygen purity ~90% on all settings. FAA-approved. Warranty 3yr unit, 1yr batteries, 90 days accessories. Still an active, currently-sold product per the retailer, though newer Inogen models (G4, G5, Rove line) have since launched. Released Fall 2012 per multiple retailer/review sources describing it as Inogen's smallest/lightest POC 'back in 2012'.

Is the Inogen One G3 worth it vs cheaper portable oxygen concentrators?

Inogen One G3 against its closest cheaper and pricier portable oxygen concentrators on the specs that matter — every value sourced. See all 9 ranked

ProductPriceOxygen output (ml)Flow settingsWeight (lb)Battery life hrDelivery mode
Inogen One G3 this$264010501–54.99.5pulse_dose
Inogen One G5$249512601–64.713pulse_dose
Inogen Rove 4$27758401–42.95.82pulse_dose

Frequently asked questions

How much does the Inogen One G3 cost?

The Inogen One G3 has a US price of $2640 (Sale price at oxygenconcentratorstore.com against a $2,995.00 manufacturer list price.), as of 2026-08-01.

How does the Inogen One G3 compare on price?

At $2640, the Inogen One G3 is #5 cheapest of the 9 portable oxygen concentrators we track, where the median is $2640.

When was the Inogen One G3 released?

The Inogen One G3 was released 2012.

What are the Inogen One G3's key specs?

Inogen One G3 (Inogen): oxygen output ml 1050, flow settings 1–5, weight lb 4.9, battery life hr 9.5, delivery mode pulse_dose. Full sourced spec sheet verified 2026-08-01.

Price of record: $2640 at oxygenconcentratorstore.com, 2026-08-01. Other retailers may be lower — check the current price:

See Inogen One G3 on Amazon As an Amazon Associate we earn from qualifying purchases.

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