Is humidx profitable to sell on Amazon United States?

The niche generates $258K/yr across 20 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +59.9%. Flapen's verdict: Worth a look (64/100).

How competitive is the humidx niche?

10 brands and 38 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in humidx?

Top complaints mined from reviews: Durability, Value For Money, Functionality-Overall. The return rate is 0.9%.

When does demand for humidx peak?

Demand peaks in Jun; the busiest month runs 1.7× the quietest.

What does it cost to enter the humidx niche?

Listings span $9.75–$54.87; the average listing price is $27.39 (sweet spot $15–$100). The average incumbent carries 189 reviews — the moat a new listing must climb.

Humidx

Worth a look

Shows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.39

avg listing price — sweet spot $15–$100

Conversion

Great11.8%

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

Review moat

Great189

avg incumbent reviews — the moat a new listing must climb

Price range

Great$9.75–$54.87

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

Growth

Good+59.9%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay$258K

$258K/yr · 80K searches

Competition

Okay63%

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

Brand share

Bad90%

top-5 brand share — brand-locked demand

Signals Out of Stock

Is humidx profitable on Amazon?

According to Flapen's Amazon United States niche tracking, humidx is a $258K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jun. Verdict: Worth a look — 64/100.

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

humidx market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 10K–13K; avg 500–750/product
Revenue / yr: $274K–$342K; units × avg price
Conversion rate: 11.8%
Avg BSR: #1,067
Page quality: 0%
Prime: 90%
Sponsored: 75%
Out of stock: 20.7%
Avg brand age: 37 months
Avg seller age: 137 days

Competition: brands, sellers & click share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

ResMed58%
Yosopherier11%
CKNET11%
AJFHKJ5%
Ammodura5%
Generic3%
Open — no brand owns it (4 brands, 7%)

humidx demand & seasonality

Weekly Amazon search volume, last 104 weeks — +59.9% search growth over the last 90 days.

Peak months: Jun · busiest ÷ quietest = 1.7×

Open Trend

Top humidx search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

humidx for airmini16K/yr +59.9%8.8% conv.
humidx11K/yr +46.9%7.1% conv.
resmed humidx9K/yr +50.5%11.1% conv.
airmini humidx7K/yr +70.9%8.2% conv.
resmed airmini humidx5K/yr +111.0%8.2% conv.
resmed mini humidx6K/yr +62.0%8.9% conv.
air mini humidx5K/yr +49.3%8.8% conv.
humidx plus for airmini5K/yr +65.2%11.2% conv.
resmed humidx plus for airmini6K/yr +16.8%14.6% conv.
resmed humidx plus3K/yr +112.5%17.2% conv.

All search terms

Top humidx products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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★)2 products missing review or click data not plotted

All 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Resmed Humidx 3Pack (Plus)

ResMed$33.484.5★559 rev

HUMIDX 3Pack (Standard)

ResMed$33.244.5★547 rev

ResMed AirMini HumidX HME 6-Pack

ResMed$54.874.7★567 rev

HUMIDX 6 PK for AirMini (Plus)

ResMed$53.834.7★958 rev

Airmini Filter Humidx Cartridges Designed for ResMed Airfit F20 CPAP Mask Compatible with AirFit & AirTouch F20 Full-Face Masks Enhances Humidity for Improved Comfort (6)

CKNET$19.674.0★29 rev

Newest

by launch date

Waterless Humidifiers for HumidX Plus Compatible with Air Mini Device 10 Pack Filters Compatible with Airmini P10 Nasal Pillow N20 F20 Nasal Mask

HVRQYY$16.870 rev

3mo ago

(6 PCS) Replacement HumiDX Plus Cartridges Mini Machine (12 Pack) Replacement mini Machine Filters Combo Compatible with mini N20 N30 Connector P10 Supplies Accessories

Generic$22.950 rev

3mo ago

Humidifiers F20 for air - mini - (6 Pack) HME Filters for F20 Replacement Cartridges for RES Air - mini CPAP Machine Compatible with F20 Full-Face Masks Individually Sealed

Ammodura$19.647 rev

7mo ago

Humidifiers Plus for Air - mini - (6 Pack) HME for air - mini Humidifiers Plus Replacement Humidifier Filter - Compatible with Airmini CPAP Machine & P10 N20 N30 Individually Sealed

Ammodura$20.3411 rev

7mo ago

Replacement HME for HumidX F20 with Airmini Filters 6 Pack Replacement Cartridges & 20 Pack Filters Compatible with Airmini CPAP & AirFit AirTouch F20 Full Face Mask CPAP Supplies

Yosopherier$26.3526 rev

1y ago

What reviews say buyers love and hate about humidx

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

What buyers love

Size-Overall24%

“Fits the mask well”

Value For Money20%

“Great deal”

Advertised Vs Actual Product9%

“Item as described”

Quality-Overall6%

“Quality product”

Efficiency6%

“Works well”

Ease Of Use5%

“Easy to use”

Portability3%

“I love my AirMini for travel”

Compatibility-Overall3%

“Compatible with AirFit”

Moist/Dry3%

“Great for retaining your breath's natural moisture”

Comfort-Overall3%

“A Helpful Comfort Add-On for AirMini Users”

What buyers complain about

Durability22%

“Fell apart while sleeping”

Value For Money8%

“They are, in my view, very expensive, around $10 each and are good only for a short time”

Functionality-Overall7%

“Does not work”

Moist/Dry6%

“on the 3rd night I woke up with intense dry mouth”

Filtration5%

“The filter cartridge pores are larger than OEM cartridges”

Compatibility-Overall4%

“Does not work with AirMini”

Cough Relief4%

“Woke up with a dry, sore throat”

Thickness4%

“they are not as thick or rigid as the oem ones”

Size-Overall4%

“Getting them to fit correctly in the mask was a little difficult with my big hands”

Quality-Overall3%

“Poor Product”

Top return reasons

Size-Overall48%

Compatibility-Overall26%

Advertised Vs Actual Product9%

Functionality-Overall3%

Filtration2%

Add-Ons/Attachments2%

Value For Money2%

Defective Material/Parts2%

Quality-Overall1%

Charging1%

Common humidx questions

Is humidx profitable to sell on Amazon United States?: The niche generates $258K/yr across 20 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +59.9%. Flapen's verdict: Worth a look (64/100).
How competitive is the humidx niche?: 10 brands and 38 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in humidx?: Top complaints mined from reviews: Durability, Value For Money, Functionality-Overall. The return rate is 0.9%.
When does demand for humidx peak?: Demand peaks in Jun; the busiest month runs 1.7× the quietest.
What does it cost to enter the humidx niche?: Listings span $9.75–$54.87; the average listing price is $27.39 (sweet spot $15–$100). The average incumbent carries 189 reviews — the moat a new listing must climb.