Is steadfast haven co detector profitable to sell on Amazon United States?

The niche generates $508K/yr across 28 tracked products. 10 of 18 products launched in the last 360 days are still selling. 90-day search growth is -67.4%. Flapen's verdict: Skip it (46/100).

How competitive is the steadfast haven co detector niche?

15 brands and 77 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in steadfast haven co detector?

Top complaints mined from reviews: Durability, Functionality-Overall, Noise Level. The return rate is 2.3%.

What does it cost to enter the steadfast haven co detector niche?

Listings span $22.91–$78.87; the average listing price is $44.67 (sweet spot $15–$100). The average incumbent carries 3,733 reviews — the moat a new listing must climb.

steadfast haven co detector

Skip it

Soft demand (-67.4% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible$44.67

avg listing price — sweet spot $15–$100

Price range

Incredible$22.91–$78.87

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.3%

return rate — above 5% kills the launch gate

Market size

Good$508K

$508K/yr · 862K searches

Competition

Okay57%

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

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Review moat

Okay3,732.64

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.3%

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

Growth

Bad-67.4%

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

Signals Out of Stock

According to Flapen's Amazon United States niche tracking, steadfast haven co detector is a $508K/yr Amazon United States market (862K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 46/100.

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

steadfast haven co detector market data

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: $893K–$1.1M; units × avg price
Conversion rate: 1.3%
Avg BSR: #51
Page quality: 0%
Prime: 82%
Sponsored: 89%
Out of stock: 26.1%
Avg brand age: 24 months
Avg seller age: 139 days

Competition & brand share

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

Brands

15 rising

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

57%

Top 20: 92%

Open market

14%

Kidde57%
AIRGUARD DETECTOR11%
Steadfast Haven Pro7%
Generic5%
Dienmern4%
SONOFF2%
Open — no brand owns it (9 brands, 14%)

Demand

Weekly Amazon search volume, last 17 weeks — -67.4% search growth over the last 90 days.

Open Trend

Top steadfast haven co detector search terms

airguard carbon monoxide detector69K/yr >1,000%0.7% conv.
steadfast haven co detector399K/yr -91.8%0.1% conv.
air guard co detector25K/yr >1,000%0.5% conv.
haven carbon monoxide detector49K/yr -56.0%0.4% conv.
air guard carbon monoxide detector12K/yr >1,000%0.4% conv.
steadfast haven carbon monoxide detector64K/yr -80.7%0.2% conv.
carbon one safe carbon monoxide8K/yr +0.0%0.7% conv.
airguard co detector7K/yr >1,000%0.5% conv.
kidde nighthawk carbon monoxide detector19K/yr -37.6%8.6% conv.
haven co and gas detector18K/yr -78.5%0.0% conv.

All search terms

Top steadfast haven co detector 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD

Kidde$44.234.7★27,258 rev

Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition

Kidde$39.144.7★27,258 rev

4 in 1 Detector 2Pcs

AIRGUARD DETECTOR$78.635.0★4 rev

Kidde Carbon Monoxide + Explosive Gas Natural Gas & Propane Alarm Plug-in with 9V Battery Backup Digital Display 85 dB Alarm LED Status Indicators 3rd Edition

Kidde$59.284.6★551 rev

Steadfast Haven Pro 2026 NEW 4-in-1 Indoor Status Display HD Screen Plug-in Environment Information Device for Home RV and Hotel (3 Black)

Steadfast Haven Pro$78.875.0★2 rev

Newest

by launch date

6-in-1 Air Monitor Plug in with Temperature Humidity and More for Kitchen(Gray 1-Pack)

Generic$39.624 rev

2w ago

2 Pack Air Quality Detectors Plug in Wall Design Upgraded 5 in 1 HD Screen Detector with Temp Humidity High Accuracy Indoor Monitor for Home Apartment Hotel Camping RV Greenhouse

Generic$59.461 rev

2w ago

4 in 1 Detector 2Pcs

AIRGUARD DETECTOR$78.634 rev

3w ago

Steadfast Haven Pro 2026 NEW 4-in-1 Indoor Status Display HD Screen Plug-in Environment Information Device for Home RV and Hotel (3 Black)

Steadfast Haven Pro$78.872 rev

1mo ago

Steadfast Haven Pro 2026 NEW 4-in-1 Indoor Status Display HD Screen Plug-in Environment Information Device for Home RV and Hotel (1 Black)

Steadfast Haven Pro$35.602 rev

1mo ago

What buyers say about steadfast haven co detector

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

What buyers love

Assembly/Installation13%

“Easy to mount”

Quality-Overall13%

“the overall build quality feels solid”

Ease Of Use10%

“Easy peasy”

Value For Money9%

“Excellent value”

Advertised Vs Actual Product8%

“Just what I needed”

Battery Life5%

“Long lasting battery”

Efficiency4%

“Unit works fine”

Sensor3%

“Overall, this is a straightforward and user-friendly detector with useful features and added convenience”

Size-Overall3%

“Fit perfect in my camper”

Security2%

“Keeps you safe”

What buyers complain about

Durability8%

“Failed in less than 3 months”

Functionality-Overall8%

“Didn't work right out of box”

Noise Level7%

“Its quite loud”

Battery Life7%

“Beeps as battery are low”

Measurement/Reading Accuracy4%

“Poor CO2 accuracy”

Size-Overall4%

“This is a small”

Value For Money3%

“these should be way cheaper”

Quality-Overall3%

“VERY POOR quality control”

Connectivity-Overall3%

“The fallback of connecting with bluetooth is inconsistent”

Product Condition3%

“Very old product”

Top return reasons

Functionality-Overall13%

Alarm/Timer Accuracy13%

Size-Overall11%

Advertised Vs Actual Product10%

Value For Money9%

Defective Material/Parts5%

Socket/Port/Plug5%

Product Condition5%

Compatibility-Overall3%

Battery Life3%

Common questions

Is steadfast haven co detector profitable to sell on Amazon United States?: The niche generates $508K/yr across 28 tracked products. 10 of 18 products launched in the last 360 days are still selling. 90-day search growth is -67.4%. Flapen's verdict: Skip it (46/100).
How competitive is the steadfast haven co detector niche?: 15 brands and 77 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in steadfast haven co detector?: Top complaints mined from reviews: Durability, Functionality-Overall, Noise Level. The return rate is 2.3%.
What does it cost to enter the steadfast haven co detector niche?: Listings span $22.91–$78.87; the average listing price is $44.67 (sweet spot $15–$100). The average incumbent carries 3,733 reviews — the moat a new listing must climb.