Is humidistat profitable to sell on Amazon United States?

The niche generates $247K/yr across 18 tracked products. 90-day search growth is -24.3%. Flapen's verdict: Skip it (47/100).

How competitive is the humidistat niche?

8 brands and 52 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in humidistat?

Top complaints mined from reviews: Size-Overall, Durability, Measurement/Reading Accuracy. The return rate is 1.4%.

When does demand for humidistat peak?

Demand peaks in Jan–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the humidistat niche?

Listings span $8.95–$81.52; the average listing price is $22.87 (sweet spot $15–$100). The average incumbent carries 27,891 reviews — the moat a new listing must climb.

humidistat

Skip it

A deep review moat (27,891 avg reviews) — this niche doesn't clear our bar today.

Avg price

Incredible$22.87

avg listing price — sweet spot $15–$100

Price range

Great$8.95–$81.52

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

Returns

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Great9.2%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$247K

$247K/yr · 117K searches

Competition

Okay63%

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

Growth

Bad-24.3%

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

Brand share

Bad95%

top-5 brand share — brand-locked demand

Review moat

Bad27,891.44

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, humidistat is a $247K/yr Amazon United States market (117K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 47/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

humidistat market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: $286K–$343K; units × avg price
Conversion rate: 9.2%
Avg BSR: #38
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 0.0%
Avg brand age: 50 months
Avg seller age: 166 days

Competition & brand share

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

Brands

8 rising

Sellers

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

TempPro80%
DIGITEN5%
Inkbird4%
Antonki3%
Honeywell2%
VIVOSUN2%
Open — no brand owns it (2 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.3% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top humidistat search terms

humidistat59K/yr -24.6%5.6% conv.
thermpro indoor/outdoor humidity & temprature monitor. item 285512K/yr -5.6%9.5% conv.
thermopro tp5012K/yr -9.0%12.0% conv.
thermopro hygrometer12K/yr -47.2%6.3% conv.
humidistat controller9K/yr -30.9%2.1% conv.
therm pro indoor outdoor8K/yr -21.6%10.0% conv.
thermopro indoor outdoor thermometer5K/yr -33.6%8.6% conv.
humidistats2K/yr -28.0%7.8% conv.

All search terms

Top humidistat 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

TempPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor(Previously ThermoPro)

TempPro$10.884.6★154,357 rev

TempPro TP60 Wireless Indoor Outdoor Thermometer Hygrometer with Large LCD Display No Hub or App Required 500ft Wireless Range for Home Greenhouse Garage RV (Previously ThermoPro)

TempPro$18.164.3★35,701 rev

TempPro TP49 Digital Hygrometer Indoor Thermometer Humidity Meter Room Thermometer with Temperature and Humidity Monitor Mini Hygrometer Outdoor Thermometer (Previously ThermoPro)

TempPro$9.454.6★62,281 rev

TempPro TP49 3 Pieces Digital Hygrometer Indoor Thermometer Humidity Meter Mini Hygrometer with Temperature and Humidity Monitor Outdoor and Room Thermometer Weather Station (Previously ThermoPro)

TempPro$21.634.6★7,770 rev

TempPro TP50 3 Pieces Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor (Previously ThermoPro)

TempPro$27.574.6★821 rev

Newest

by launch date

TempPro 500FT Indoor Outdoor Thermometer Wireless Outdoor Thermometers for Patio with Temperature Sensor Room Thermometer for House Home Reptile Baby Room Temperature Monitor (Previously ThermoPro)

TempPro$18.93354 rev

1y ago

DIGITEN Humidity Controller Pre-Wired Digital Humidistat with Temperature Display Dual-Stage Outlet Humidifier /Dehumidifier for Mushroom Reptile Greenhouse Fan Grow Tent

DIGITEN$29.23128 rev

1y ago

VIVOSUN Humidity Controller 1200W Dual-Stage Outlet Pre-Wired Digital Humidistat with Dual LED Displays for Humidifier/Dehumidifier/Fan Ideal for Greenhouse Grow Tent Home-Brewing Mushroom

VIVOSUN$29.73107 rev

2y ago

EWPJDK Mini Hygrometer Indoor Humidity Meter Hygrometer Thermometers 4 Pack Humidity Meters Gauge Hygrometer Mini Digital Thermometer Hygrometer for Humidors Greenhouse Garden Cellar (6)

EWPJDK$9.303,902 rev

2y ago

TempPro TP50 3 Pieces Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor (Previously ThermoPro)

TempPro$27.57821 rev

3y ago

What buyers say about humidistat

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

What buyers love

Value For Money14%

“Fair price”

Advertised Vs Actual Product14%

“Works as promised”

Ease Of Use14%

“Super handy”

Quality-Overall14%

“Excellent Product”

Measurement/Reading Accuracy6%

“Pretty accurate”

Efficiency5%

“works incredibly well”

Assembly/Installation5%

“Easy set up”

Size-Overall4%

“Perfect size”

Durability2%

“They dont break or have any issues”

Battery Life2%

“Battery life is great”

What buyers complain about

Size-Overall16%

“Little bigger than I wanted”

Durability15%

“Broke immediately”

Measurement/Reading Accuracy15%

“poor execution in terms of bad accuracy”

Battery Life9%

“Bad battery life”

Functionality-Overall7%

“Doesn't work well”

Quality-Overall7%

“It's cheap because its poor quality”

Heating3%

“Doesnt like it hot”

Display-Overall3%

“Display broken”

Value For Money2%

“considering how cheap these things are”

Ease Of Use2%

“It is was hard to figure things out”

Top return reasons

Measurement/Reading Accuracy22%

Size-Overall18%

Functionality-Overall16%

Advertised Vs Actual Product9%

Display-Overall7%

Defective Material/Parts6%

Value For Money5%

Heating4%

Connectivity-Overall2%

Compatibility-Overall1%

Common questions

Is humidistat profitable to sell on Amazon United States?: The niche generates $247K/yr across 18 tracked products. 90-day search growth is -24.3%. Flapen's verdict: Skip it (47/100).
How competitive is the humidistat niche?: 8 brands and 52 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in humidistat?: Top complaints mined from reviews: Size-Overall, Durability, Measurement/Reading Accuracy. The return rate is 1.4%.
When does demand for humidistat peak?: Demand peaks in Jan–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the humidistat niche?: Listings span $8.95–$81.52; the average listing price is $22.87 (sweet spot $15–$100). The average incumbent carries 27,891 reviews — the moat a new listing must climb.