---
title: "Carbon Monoxide Detector Plug in Wall — $6.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detector-plug-in-wall"
last_updated: "2026-08-08T19:59:06.710Z"
locale: en
meta:
description: "Niche score 48/100 · $6.4M/yr market · 1.7M searches/yr · $37.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $6.4M/yr market · 1.7M searches/yr · $37.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Carbon Monoxide Detector Plug in Wall — $6.4M/yr Amazon US Niche (2026) - Flapen"
---
# **carbon monoxide detector plug in wall**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 99Growth 6Conversion 89Competition 22Returns 74Price range 95Avg price 95Brand share 0Review moat 22Quality gap 21
**Market size**
**Incredible****$6.4M**
$6.4M/yr · 1.7M searches
**Avg price**
**Incredible****$37.06**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.99–$67.36**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.0%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****10,059.83**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-38.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, carbon monoxide detector plug in wall is a $6.4M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 48/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carbon monoxide detector plug in wall market data**
- **Units sold / yr**
- **200K–250K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **$7.4M–$9.3M**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#11**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **5.6%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **135 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**38**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**0%**
- First Alert48% - Kidde41% - SITERWELL7% - VETOUCH4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -38.8% search growth over the last 90 days.
70K50KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detector-plug-in-wall/trend)
## **Top carbon monoxide detector plug in wall search terms**
- **carbon monoxide detectors plug in**1.1M/yr-44.0%10.1% conv. - **plug in carbon monoxide detector**167K/yr-30.9%9.3% conv. - **co detector plug in**95K/yr-33.6%7.1% conv. - **carbon monoxide detector plug in**43K/yr-4.2%8.6% conv. - **co2 detector plug in wall**50K/yr-43.6%9.4% conv. - **plug in co2 detector**26K/yr-14.7%8.7% conv. - **carbon monoxide detector plug in wall**26K/yr-5.2%2.5% conv. - **co2 detector plug in**16K/yr+3.7%7.1% conv. - **carbon monoxide detectors plug in 2 pack**20K/yr-31.3%5.4% conv. - **first alert co615**15K/yr-26.2%10.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detector-plug-in-wall/search-terms)
## **Top carbon monoxide detector plug in wall 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%10%$643K20%$1.3M30%$1.9M40%$2.6M101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**First Alert Plug in Carbon Monoxide Alarm**First Alert**$24.05**4.7★23,005 rev](https://www.amazon.com/dp/B000ND74XA) [2**Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$31.64**4.8★1,208 rev](https://www.amazon.com/dp/B0DT1MYBNV) [3**Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$39.14**4.7★27,258 rev](https://www.amazon.com/dp/B00002N86A) [4**SITERWELL Plug in Carbon Monoxide Detector 10 Year Battery CO Alarm Detectors with Electrochemical Sensor and Sound Warning AC Powered Portable Carbon Monoxide Detector for Home Office Travel 1-Pack**SITERWELL**$20.99**4.7★399 rev](https://www.amazon.com/dp/B0DGL6HV3B) [5**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**4.7★23,005 rev](https://www.amazon.com/dp/B014KEPQLE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**1,208 rev5mo ago](https://www.amazon.com/dp/B0G1CPTKNQ) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**27,258 rev5mo ago](https://www.amazon.com/dp/B0G1C86M5S) [**Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$31.64**1,208 rev1y ago](https://www.amazon.com/dp/B0DT1MYBNV) [**Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition**Kidde**$22.91**1,663 rev1y ago](https://www.amazon.com/dp/B0DT1MGCKK) [**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**$59.28**551 rev1y ago](https://www.amazon.com/dp/B0DT1MS1D1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VETOUCH Plug in CO2 Detector Wall 3-in-1 Air Quality Monitor CO2 Alarm Digital Display CO2 Monitor Household Temp Humidity Meter Real-Time CO2 Level Sensor Alert for Home Office School Garage**VETOUCH**$36.89**4.1★**▲ 217%**](https://www.amazon.com/dp/B0DL9WZ833) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**4.8★**▲ 205%**](https://www.amazon.com/dp/B0G1CPTKNQ) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**4.7★**▲ 152%**](https://www.amazon.com/dp/B0G1C86M5S) [**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**4.7★**▲ 83%**](https://www.amazon.com/dp/B014KEPQLE) [**First Alert Plug in Carbon Monoxide Alarm**First Alert**$24.05**4.7★**▲ 44%**](https://www.amazon.com/dp/B000ND74XA)
**~~View all trending →~~**
## **What buyers say about carbon monoxide detector plug in wall**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**15%
*“Easy install”*
**Quality-Overall**14%
*“the overall build quality feels solid”*
**Value For Money**11%
*“Excellent value”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Ease Of Use**8%
*“Easy peasy”*
**Efficiency**4%
*“effective”*
**Battery Life**4%
*“Batteries last a long time”*
**Sensor**4%
*“Superb Detector”*
**Security**3%
*“Keeps you safe”*
**Durability**3%
*“seems fairly durable”*
### **What buyers complain about **
**Battery Life**16%
*“Beeps as battery are low”*
**Durability**10%
*“Failed in less than 3 months”*
**Noise Level**9%
*“This is loud”*
**Functionality-Overall**8%
*“Does not work correctly”*
**Quality-Overall**4%
*“VERY POOR quality control”*
**Size-Overall**3%
*“The detector is bigger than I thought”*
**Measurement/Reading Accuracy**3%
*“got no reading”*
**Value For Money**3%
*“just knock a $1 off the price”*
**Leak-Proof**2%
*“Event of carbon monoxide leak from gas furnace”*
**Product Condition**2%
*“It was used”*
### **Top return reasons **
**Alarm/Timer Accuracy**14%
**Functionality-Overall**13%
**Size-Overall**12%
**Value For Money**10%
**Advertised Vs Actual Product**9%
**Defective Material/Parts**6%
**Socket/Port/Plug**5%
**Product Condition**4%
**Noise Level**4%
**Battery Life**3%
## **Common questions**
- **Is carbon monoxide detector plug in wall profitable to sell on Amazon United States?**
- The niche generates $6.4M/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.8%. Flapen's verdict: Skip it (48/100).
- **How competitive is the carbon monoxide detector plug in wall niche?**
- 4 brands and 38 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in carbon monoxide detector plug in wall?**
- Top complaints mined from reviews: Battery Life, Durability, Noise Level. The return rate is 2.0%.
- **When does demand for carbon monoxide detector plug in wall peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the carbon monoxide detector plug in wall niche?**
- Listings span $20.99–$67.36; the average listing price is $37.06 (sweet spot $15–$100). The average incumbent carries 10,060 reviews — the moat a new listing must climb.
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