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oxygen concentrator

Worth a look

Shows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 88Growth 24Conversion 6Competition 80Returns 90Price range 13Avg price 75Brand share 84Review moat 27Quality gap 80

Returns

Great1.2%

return rate — above 5% kills the launch gate

Market size

Great$1.6M

$1.6M/yr · 3.4M searches

Brand share

Great51%

top-5 brand share — no brand owns this niche

Competition

Great35%

top-5 click share — an open shelf

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$101.13

avg listing price — sweet spot $15–$100

Review moat

Okay3,780.71

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-2.9%

90-day search growth — must beat 0% to launch

Price range

Bad$5.19–$638.87

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Bad0.5%

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United States niche tracking, oxygen concentrator is a $1.6M/yr Amazon United States market (3.4M searches/yr). The top 5 brands hold 51% of demand. Verdict: Worth a look — 60/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

oxygen concentrator market data

Units sold / yr
100K–125K
avg 1,500–2,000/product
Revenue / yr
$10.1M–$12.6M
units × avg price
Conversion rate
0.5%
Avg BSR
#671
Page quality
0%
Prime
73%
Sponsored
91%
Out of stock
4.6%
Avg brand age
46 months
Avg seller age
167 days

Competition & brand share

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

31 rising

Sellers

51

Top-5 brand share

51%

Top 20: 92%

Top-5 click share

35%

Top 20: 70%

Open market

43%

  • Boost Oxygen17%
  • Medline10%
  • Vive9%
  • CURMIO9%
  • Inogen6%
  • Oxygen Aid6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.
90K70KHoliday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top oxygen concentrator search terms

  • portable oxygen concentrator675K/yr
  • oxygen concentrator machine737K/yr
  • oxygen concentrator369K/yr
  • portable oxygen machine261K/yr
  • inogen portable oxygen concentrator191K/yr
  • oxygen machine142K/yr
  • portable oxygen concentrator for travel150K/yr
  • portable oxygen122K/yr
  • portable oxygen concentrator machine80K/yr
  • concentrador de oxgeno porttil114K/yr
All search terms

Top oxygen concentrator products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$48K6%$97K9%$145K12%$193K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about oxygen concentrator

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use13%

“Easy to handle”

Advertised Vs Actual Product12%

“As advertised”

Quality-Overall11%

“Excellent product”

Efficiency11%

“This works well, good product, work as intended”

Value For Money10%

“Great deal”

Accuracy-Overall8%

“Accurate and easy to use”

Size-Overall4%

“Fit my POC perfectly”

Breathability3%

“Breath Better”

Health Monitoring2%

“Absolutely love my oxygen monitor”

Battery Life2%

“Battery lasts a long time”

What buyers complain about

Accuracy-Overall12%

“NOT ACCURATE”

Measurement/Reading Accuracy12%

“Inaccurate readings”

Functionality-Overall11%

“Did not work”

Value For Money7%

“Not Worth It”

Size-Overall7%

“Not true to size”

Quality-Overall5%

“I was disappointed to notice the difference in overall build quality”

Durability5%

“Broken”

Battery Life3%

“The battery life is also very short”

Breathability3%

“if she exerts herself a little too much she has a hard time breathing”

Ease Of Use2%

“hard to maneuver”

Top return reasons

Measurement/Reading Accuracy33%
Functionality-Overall16%
Size-Overall11%
Accuracy-Overall10%
Advertised Vs Actual Product5%
Display-Overall3%
Charging2%
Compatibility-Overall2%
Value For Money2%
Heart Health1%

Common questions

Is oxygen concentrator profitable to sell on Amazon United States?
The niche generates $1.6M/yr across 56 tracked products. 4 of 10 products launched in the last 360 days are still selling. 90-day search growth is -2.9%. Flapen's verdict: Worth a look (60/100).
How competitive is the oxygen concentrator niche?
31 brands and 51 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 51% of demand.
What do buyers complain about in oxygen concentrator?
Top complaints mined from reviews: Accuracy-Overall, Measurement/Reading Accuracy, Functionality-Overall. The return rate is 1.2%.
When does demand for oxygen concentrator peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the oxygen concentrator niche?
Listings span $5.19–$638.87; the average listing price is $101.13 (sweet spot $15–$100). The average incumbent carries 3,781 reviews — the moat a new listing must climb.