Is airsense 11 cpap machine profitable to sell on Amazon United States?

The niche generates $438K/yr across 18 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +7.6%. Flapen's verdict: Worth a look (69/100).

How competitive is the airsense 11 cpap machine niche?

16 brands and 25 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 59% of demand.

What do buyers complain about in airsense 11 cpap machine?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 1.7%.

When does demand for airsense 11 cpap machine peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the airsense 11 cpap machine niche?

Listings span $26.85–$42.65; the average listing price is $31.60 (sweet spot $15–$100). The average incumbent carries 119 reviews — the moat a new listing must climb.

airsense 11 cpap machine

Worth a look

Shows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$31.60

avg listing price — sweet spot $15–$100

Price range

Incredible$26.85–$42.65

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

Review moat

Great119.17

avg incumbent reviews — the moat a new listing must climb

Conversion

Great11.3%

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

Returns

Great1.7%

return rate — above 5% kills the launch gate

Brand share

Great59%

top-5 brand share — no brand owns this niche

Market size

Good$438K

$438K/yr · 123K searches

Competition

Okay57%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+7.6%

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

Signals No Dominant Brand Quality Gap

According to Flapen's Amazon United States niche tracking, airsense 11 cpap machine is a $438K/yr Amazon United States market (123K searches/yr). The top 5 brands hold 59% of demand. Verdict: Worth a look — 69/100.

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

airsense 11 cpap machine market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: $395K–$474K; units × avg price
Conversion rate: 11.3%
Avg BSR: #803
Page quality: 0%
Prime: 94%
Sponsored: 100%
Out of stock: 20.3%
Avg brand age: 27 months
Avg seller age: 124 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

57%

Top 20: 100%

Open market

35%

EvoClean15%
Lullapad13%
TOY MANIAC12%
RespiraX10%
CKNET9%
Edionmier7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +7.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top airsense 11 cpap machine search terms

airsense 11 water chamber46K/yr +0.0%11.7% conv.
resmed airsense 11 water chamber35K/yr +33.9%8.1% conv.
resmed 11 water chamber13K/yr -9.0%9.6% conv.
air sense 11 water chamber7K/yr +17.1%12.3% conv.
resmed water chamber airsense 116K/yr +10.0%15.0% conv.
water chamber for resmed air113K/yr +19.8%11.0% conv.
cpap water chamber airsense 113K/yr -19.2%11.6% conv.
resmed airsense 11 tank3K/yr -20.1%11.9% conv.
resmed airsense 11 water tank3K/yr -27.1%10.6% conv.
humidair 11 water chamber2K/yr -16.6%12.6% conv.

All search terms

Top airsense 11 cpap machine 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Water Chamber and Pap HumidAir Water Tank for ResMed AirSense 11 Tube Hose Machine

EvoClean$30.903.9★713 rev

Lullapad Replacement Water Chamber S11 Compatible with HumidAir Humidifier for ResMed Air Sense 11 and Air Curve 11

Lullapad$31.964.0★88 rev

Replacement Water Chamber for AirSense 11 and AirCurve 11 Water Tank Compatible with HumidAir Standard Tub for Air11 Devices Heated CPAP humidifier Airsense 11 Supplies

TOY MANIAC$29.083.6★168 rev

RespiraX AirSense 11 Water Chamber Tank Replacement - for AirSense 11 and Aircurve 11

RespiraX$34.154.6★142 rev

Replacement Water Chamber Tank for AirSense 11 and Aircurve 11 Machine

CKNET$33.184.0★354 rev

Newest

by launch date

Replacement Water Chamber for AirSense 11 and AirCurve 11 with 24 Pcs filters Supplies 380ml Humidifier Tub Water Tank Adapter Durable Base Design

SHLTHKA$30.4311 rev

5mo ago

Replacement Water Chamber with 20 Packs Filters for AirSense 11 and AirCurve 11 Humidifier Water Tank Compatible with S11 Series CPAP Machines HumidAir Standard Tub CPAP Supplies and Accessories

Wagleriz$31.3854 rev

6mo ago

YONCOZY Water Chamber for AirSense 11 & AirCurve 11 Replacement Water Tank with 24 Packs AirSense 11 Filters Reliable Seal & Easy Install S11 CPAP Supplies

YONCOZY$32.6958 rev

6mo ago

Water Chamber Tank for ResMed AirSense 11 Tube Hose Machine Replacement Pap HumidAir Water Tank for CPAP Machine Hose

YONCOZY$27.6787 rev

7mo ago

Water Chamber for AirSense 11 & AirCurve 11 Perfect Fit and Seal Replacement Water Tank Compatible with AirSense 11 Machines Reliable CPAP S11 Supplies

JoyHi$27.7195 rev

7mo ago

What buyers say about airsense 11 cpap machine

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

What buyers love

Size-Overall29%

“Exact fit”

Value For Money11%

“Good deal”

Leak-Proof10%

“No air leaks”

Quality-Overall10%

“Good Quality”

Advertised Vs Actual Product5%

“As advertised”

Durability4%

“Seems durable”

Compatibility-Overall2%

“compatible”

Ease Of Use2%

“Easy to use”

Ease Of Cleaning2%

“Easy to Clean”

Efficiency2%

“Functional”

What buyers complain about

Leak-Proof32%

“leaks water”

Size-Overall10%

“Just slightly too large”

Quality-Overall9%

“Junk quality”

Durability7%

“Don't last”

Ease Of Use5%

“Difficult to remove”

Rusts/Corrodes2%

“Also started rusting”

Material Quality2%

“And slight material differences between them”

Water Resistance2%

“leaks water after barely any use”

Value For Money1%

“too expensive”

Ease Of Cleaning1%

“and won't get clean after washing anymore”

Top return reasons

Leak-Proof38%

Size-Overall24%

Compatibility-Overall10%

Water Resistance4%

Advertised Vs Actual Product3%

Functionality-Overall3%

Ease Of Use3%

Product Condition3%

Durability2%

Rusts/Corrodes1%

Common questions

Is airsense 11 cpap machine profitable to sell on Amazon United States?: The niche generates $438K/yr across 18 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +7.6%. Flapen's verdict: Worth a look (69/100).
How competitive is the airsense 11 cpap machine niche?: 16 brands and 25 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in airsense 11 cpap machine?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 1.7%.
When does demand for airsense 11 cpap machine peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the airsense 11 cpap machine niche?: Listings span $26.85–$42.65; the average listing price is $31.60 (sweet spot $15–$100). The average incumbent carries 119 reviews — the moat a new listing must climb.