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nest water leak sensor

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 10Growth 20Conversion 42Competition 6Returns 48Price range 94Avg price 93Brand share 0Review moat 63Quality gap 81

Price range

Great$25.25–$101.33

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

Avg price

Great$50.22

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good995.57

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.2%

return rate — above 5% kills the launch gate

Conversion

Okay3.3%

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

Growth

Bad-10.1%

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

Market size

Bad$41K

$41K/yr · 25K searches

Competition

Bad93%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, nest water leak sensor is a $41K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 35/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

nest water leak sensor market data

Units sold / yr
1K–1K
avg 100–250/product
Revenue / yr
$50K–$63K
units × avg price
Conversion rate
3.3%
Avg BSR
#83
Page quality
0%
Prime
86%
Sponsored
57%
Out of stock
0.9%
Avg brand age
61 months
Avg seller age
131 days

Competition & brand share

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

43

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

0%

  • RESIDEO58%
  • Honeywell31%
  • GoveeLife8%
  • RUIKORING3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.1% search growth over the last 90 days.
1K600Black Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.3×

Top nest water leak sensor search terms

  • resideo water leak detector14K/yr
  • first alert water leak detector5K/yr
  • honeywell water leak detector6K/yr
All search terms

Top nest water leak sensor 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%15%$6K30%$12K45%$19K60%$25K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

What buyers say about nest water leak sensor

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

What buyers love

Assembly/Installation21%

“Easy installation”

Leak-Proof9%

“No undetected leaks”

Quality-Overall8%

“Seems very well made”

Value For Money8%

“Good price”

Sensor7%

“This is a great little detector that works well”

Efficiency5%

“Works great”

Advertised Vs Actual Product4%

“As advertised”

Ease Of Use4%

“Ease of use”

Alarm/Timer Accuracy4%

“I like that the alarm is loud enough to hear immediately”

Water Resistance3%

“These detect water very easily”

What buyers complain about

Connectivity-Overall20%

“Unable to pair”

Leak-Proof11%

“Detected a leak”

Noise Level7%

“Emits a constant high-pitched noise”

Assembly/Installation6%

“Not easy to set up”

Durability4%

“Does not last”

Battery Life4%

“Run out of battery after a week”

Instructions/User Manual/Troubleshooting4%

“Instructions are very poorly written”

Functionality-Overall3%

“Turns out the alarm won't stay off”

Compatibility-Overall3%

“Non compatible”

Alarm/Timer Accuracy3%

“Turns out the alarm won't stay off”

Top return reasons

Connectivity-Overall44%
Compatibility-Overall11%
Leak-Proof11%
Functionality-Overall6%
Value For Money5%
Alarm/Timer Accuracy5%
Assembly/Installation4%
Advertised Vs Actual Product3%
Instructions/User Manual/Troubleshooting2%
Defective Material/Parts2%

Common questions

Is nest water leak sensor profitable to sell on Amazon United States?
The niche generates $41K/yr across 7 tracked products. 90-day search growth is -10.1%. Flapen's verdict: Skip it (35/100).
How competitive is the nest water leak sensor niche?
4 brands and 43 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in nest water leak sensor?
Top complaints mined from reviews: Connectivity-Overall, Leak-Proof, Noise Level. The return rate is 3.2%.
When does demand for nest water leak sensor peak?
Demand peaks in Jan–Dec; the busiest month runs 2.3× the quietest.
What does it cost to enter the nest water leak sensor niche?
Listings span $25.25–$101.33; the average listing price is $50.22 (sweet spot $15–$100). The average incumbent carries 996 reviews — the moat a new listing must climb.