Is hardwired smoke and carbon monoxide detector profitable to sell on Amazon United States?

The niche generates $14.1M/yr across 43 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -11.9%. Flapen's verdict: Worth a look (56/100).

How competitive is the hardwired smoke and carbon monoxide detector niche?

4 brands and 175 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in hardwired smoke and carbon monoxide detector?

Top complaints mined from reviews: Durability, Quality-Overall, Battery Life. The return rate is 3.2%.

When does demand for hardwired smoke and carbon monoxide detector peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the hardwired smoke and carbon monoxide detector niche?

Listings span $28.88–$245.32; the average listing price is $83.56 (sweet spot $15–$100). The average incumbent carries 2,043 reviews — the moat a new listing must climb.

hardwired smoke and carbon monoxide detector

Worth a look

Shows a $14.1M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$14.1M

$14.1M/yr · 2.5M searches

Avg price

Great$83.56

avg listing price — sweet spot $15–$100

Competition

Great37%

top-5 click share — an open shelf

Conversion

Good6.9%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.2%

return rate — above 5% kills the launch gate

Review moat

Okay2,043.19

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$28.88–$245.32

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

Growth

Bad-11.9%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, hardwired smoke and carbon monoxide detector is a $14.1M/yr Amazon United States market (2.5M searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 56/100.

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

hardwired smoke and carbon monoxide detector market data

Units sold / yr: 200K–250K; avg 5,000–6,000/product
Revenue / yr: $16.7M–$20.9M; units × avg price
Conversion rate: 6.9%
Avg BSR: #165
Page quality: 0%
Prime: 95%
Sponsored: 86%
Out of stock: 1.9%
Avg brand age: 57 months
Avg seller age: 136 days

Competition & brand share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

4 falling

Sellers

175

Top-5 brand share

98%

Top 20: 98%

Top-5 click share

37%

Top 20: 78%

Open market

Kidde61%
First Alert36%
--2%
Hunter1%
Wigwam1%

Demand & seasonality

Weekly Amazon search volume, last 81 weeks — -11.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top hardwired smoke and carbon monoxide detector search terms

kidde smoke and carbon monoxide alarm860K/yr -11.2%6.3% conv.
first alert smoke and carbon monoxide detector combination alarms606K/yr -6.1%7.8% conv.
kiddie smoke and carbon monoxide alarm hardwired model kn-cosm-1b201K/yr -21.1%5.2% conv.
hardwired smoke and carbon monoxide detector119K/yr -28.0%3.5% conv.
first alert88K/yr -0.5%1.5% conv.
kidde74K/yr -5.7%1.4% conv.
wired smoke and carbon monoxide detector76K/yr -21.2%3.5% conv.
kidde kn-cosm-iba67K/yr -14.3%4.1% conv.
kidde smoke and carbon monoxide alarm hardwired50K/yr +1.9%4.9% conv.
kidde i12010sco37K/yr -20.0%1.8% conv.

All search terms

Top hardwired smoke and carbon monoxide 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

First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm

First Alert$50.544.5★1,569 rev

Kidde Smoke & Carbon Monoxide Detector 10-Year Battery 30CUD10 1 Pack

Kidde$49.204.0★1,136 rev

Kidde Hardwired Smoke & Carbon Monoxide Detector Battery Backup Interconnectable LED Warning Light Indicators

Kidde$114.424.6★11,510 rev

Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 1 Pack

Kidde$63.294.2★1,237 rev

FIRST ALERT SC9120B Corded Electric Combination Alarm with Adapter Plugs for Easy Replacement

First Alert$71.614.6★2,333 rev

Newest

by launch date

Kidde Smart Smoke and Carbon Monoxide Detector Ring App Enabled for Real-Time Notifications Hardwired Alarm AA Backup Battery

Kidde$69.39330 rev

9mo ago

Kidde Smoke & CO Detector Hardwired & AA Battery Backup 30CUAR 3 Pack

Kidde$171.49640 rev

10mo ago

Kidde Hardwired Smoke & Carbon Monoxide Detector 10-Year Battery Backup Voice Alerts Interconnectable LED Warning Light Indicators 4 Pack

Kidde$218.37365 rev

1y ago

Kidde Smoke & Carbon Monoxide Detector 10-Year Battery 30CUD10 1 Pack

Kidde$49.201,136 rev

2y ago

Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 1 Pack

Kidde$63.291,237 rev

2y ago

What buyers say about hardwired smoke and carbon monoxide detector

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

What buyers love

Assembly/Installation26%

“Easy Set-Up”

Quality-Overall11%

“Great quality detectors”

Advertised Vs Actual Product10%

“Better than I expected”

Value For Money6%

“Great deal”

Battery Life4%

“Well Made and has long lasting battery”

Ease Of Use4%

“Easy to replace”

Efficiency4%

“It does its job”

Sensor4%

“CO detector is a definite plus”

Alarm/Timer Accuracy4%

“No false alarms so far”

Size-Overall3%

“Everything fit exactly as needed”

What buyers complain about

Durability21%

“Broke”

Quality-Overall11%

“Poor quality control”

Battery Life9%

“Battery was dead when received”

Value For Money9%

“Little expensive”

Functionality-Overall7%

“Didn't work”

Noise Level6%

“began incredibly irritating beeping”

Alarm/Timer Accuracy6%

“Alarms were defective”

Connectivity-Overall4%

“will not connect”

Assembly/Installation2%

“Unfortunately after trying to install”

Compatibility-Overall2%

“Not compatible as claimed”

Top return reasons

Alarm/Timer Accuracy24%

Compatibility-Overall14%

Connectivity-Overall13%

Advertised Vs Actual Product9%

Value For Money8%