Is carbon monoxide detectors for cars profitable to sell on Amazon United States?

The niche generates $169K/yr across 11 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +117.9%. Flapen's verdict: Skip it (46/100).

How competitive is the carbon monoxide detectors for cars niche?

8 brands and 38 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in carbon monoxide detectors for cars?

Top complaints mined from reviews: Functionality-Overall, Battery Life, Durability. The return rate is 2.6%.

When does demand for carbon monoxide detectors for cars peak?

Demand peaks in Mar–Jul; the busiest month runs 17.9× the quietest.

What does it cost to enter the carbon monoxide detectors for cars niche?

Listings span $20.30–$112.25; the average listing price is $40.96 (sweet spot $15–$100). The average incumbent carries 6,237 reviews — the moat a new listing must climb.

carbon monoxide detectors for cars

Skip it

A concentrated shelf (top 5 take 80% of clicks) — this niche doesn't clear our bar today.

Growth

Incredible+117.9%

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

Avg price

Incredible$40.96

avg listing price — sweet spot $15–$100

Price range

Great$20.30–$112.25

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

Returns

Good2.6%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$169K

$169K/yr · 246K searches

Brand share

Okay90%

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

Review moat

Bad6,237.36

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.7%

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Signals Trending Out of Stock

According to Flapen's Amazon United States niche tracking, carbon monoxide detectors for cars is a $169K/yr Amazon United States market (246K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Mar–Jul. Verdict: Skip it — 46/100.

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

carbon monoxide detectors for cars market data

Units sold / yr: 8K–10K; avg 750–1,000/product
Revenue / yr: $328K–$410K; units × avg price
Conversion rate: 1.7%
Avg BSR: #175
Page quality: 0%
Prime: 82%
Sponsored: 82%
Out of stock: 12.8%
Avg brand age: 29 months
Avg seller age: 148 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

Kidde65%
First Alert8%
7PETAL7%
FORENSICS DETECTORS FD5%
Hutehoute5%
TOPTES5%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +117.9% search growth over the last 90 days.

Peak months: Mar, Jul · busiest ÷ quietest = 17.9×

Open Trend

Top carbon monoxide detectors for cars search terms

carbon monoxide detector for car54K/yr +88.5%1.8% conv.
carbon monoxide detectors for cars45K/yr +327.0%1.1% conv.
car carbon monoxide detector45K/yr +148.6%1.9% conv.
carbon monoxide detectors car16K/yr +335.9%1.6% conv.
carbon monoxide detectors for car15K/yr +227.8%1.8% conv.
portable carbon monoxide detector for car18K/yr +16.2%1.9% conv.
carbon monoxide detector car9K/yr +162.0%2.1% conv.
carbon monoxide detector for cars8K/yr +73.4%0.8% conv.
co detector for car5K/yr +46.1%1.7% conv.
portable co2 monitor6K/yr -4.7%0.3% conv.

All search terms

Top carbon monoxide detectors for cars 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition

Kidde$22.914.8★1,663 rev

Kidde Carbon Monoxide Detector AA Battery-Powered COB

Kidde$25.644.7★129 rev

USB C Power Delivery Car Charger with Carbon Monoxide Detector 7PETAL 304 Stainless Steel 2 Port Fast Charger with PD 3.0 & Quick Charge 3.0 Compatible for iPhone Samsung Google Pixel etc.

7PETAL$26.304.1★59 rev

FIRST ALERT Carbon Monoxide Detector No Outlet Required Battery Operated CO400 White 2 Count (Pack of 1)

First Alert$34.684.6★23,091 rev

Vehicle & Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm (Version 2.0)

FORENSICS DETECTORS FD$112.254.6★39 rev

Newest

by launch date

Air Quality Monitor Indoor 5-in-1 Portable Real-Time CO2 Detector

Lwyinp$25.0616 rev

3w ago

Portable CO2 Detector 4-in-1 Carbon Dioxide Detector for Car with Audible & Visual Alerts Temp/Humidity Sensor Magnetic Back 300H Standby Ideal for Home RV Camping (Black)

Hutehoute$56.551 rev

3mo ago

Kidde Carbon Monoxide Detector AA Battery-Powered COB

Kidde$25.64129 rev

5mo ago

Car CO2 Monitor Plug-in No Battery Needed Real-Time 10s Sampling Rotatable Color Screen Beep Alarm for High CO2 Fits 12V/24V Vehicles

EvoDevice$41.4343 rev

1y ago

Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition

Kidde$22.911,663 rev

1y ago

What buyers say about carbon monoxide detectors for cars

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

What buyers love

Assembly/Installation16%

“Easy to mount”

Quality-Overall13%

“These seem well-made”

Value For Money12%

“Excellent value”

Advertised Vs Actual Product8%

“As described”

Ease Of Use5%

“Easy peasy”

Efficiency5%

“Works great”

Battery Life5%

“Battery life is excellent”

Security4%

“Protection for your home”

Size-Overall4%

“Fit perfect in my camper”

Sensor3%

“Great brand and accurate detector”

What buyers complain about

Functionality-Overall15%

“Did not work”

Battery Life12%

“Too soon to tell how long the battery life is”

Durability11%

“Did not last as long as it was supposed to”

Measurement/Reading Accuracy7%

“likely none of us have calibration equipment at home to determine this”

Noise Level6%

“it was very loud”

Quality-Overall4%

“VERY POOR quality control”

Leak-Proof4%

“Failed to detect a leak”

Defective Material/Parts3%

“seemed to be damaged based on the unit that I was replacing”

Value For Money3%

“these should be way cheaper”

Product Condition3%

“Used repackaged product”

Top return reasons

Functionality-Overall13%

Advertised Vs Actual Product13%

Socket/Port/Plug11%

Value For Money11%

Alarm/Timer Accuracy10%

Size-Overall7%

Compatibility-Overall5%

Defective Material/Parts4%

Product Condition4%

Connectivity-Overall2%

Common questions

Is carbon monoxide detectors for cars profitable to sell on Amazon United States?: The niche generates $169K/yr across 11 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +117.9%. Flapen's verdict: Skip it (46/100).
How competitive is the carbon monoxide detectors for cars niche?: 8 brands and 38 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in carbon monoxide detectors for cars?: Top complaints mined from reviews: Functionality-Overall, Battery Life, Durability. The return rate is 2.6%.
When does demand for carbon monoxide detectors for cars peak?: Demand peaks in Mar–Jul; the busiest month runs 17.9× the quietest.
What does it cost to enter the carbon monoxide detectors for cars niche?: Listings span $20.30–$112.25; the average listing price is $40.96 (sweet spot $15–$100). The average incumbent carries 6,237 reviews — the moat a new listing must climb.