---
title: "Carbon Monoxide Detectors 2 Pack — $192K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detectors-2-pack"
last_updated: "2026-08-08T20:03:34.583Z"
locale: en
meta:
description: "Niche score 39/100 · $192K/yr market · 61K searches/yr · $37.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $192K/yr market · 61K searches/yr · $37.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Carbon Monoxide Detectors 2 Pack — $192K/yr Amazon US Niche (2026) - Flapen"
---
# **carbon monoxide detectors 2 pack**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 38Growth 9Conversion 80Competition 25Returns 73Price range 95Avg price 95Brand share 0Review moat 22Quality gap 19
**Avg price**
**Incredible****$37.78**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.30–$78.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$192K**
$192K/yr · 61K searches
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****10,074.07**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-32.2%**
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 detectors 2 pack is a $192K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 39/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carbon monoxide detectors 2 pack market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$189K–$227K**
- units × avg price
- **Conversion rate**
- **8.3%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **79%**
- **Out of stock**
- **7.0%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **—flat
**Sellers**
**44**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**0%**
- First Alert56% - Kidde31% - SITERWELL13%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -32.2% search growth over the last 90 days.
2K2KSpike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 3.0×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detectors-2-pack/trend)
## **Top carbon monoxide detectors 2 pack search terms**
- **carbon monoxide detectors 2 pack**20K/yr-21.4%6.6% conv. - **carbon monoxide detectors plug in 2 pack**20K/yr-31.3%7.2% conv. - **carbon monoxide detector 2 pack**5K/yr-6.1%6.7% conv. - **2 pack carbon monoxide detector**4K/yr-26.4%4.7% conv. - **plug in carbon monoxide detectors 2 pack**8K/yr-75.3%4.5% conv. - **co2 detector 2 pack**4K/yr-39.1%9.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detectors-2-pack/search-terms)
## **Top carbon monoxide detectors 2 pack 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%$19K20%$38K30%$58K40%$77K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**FIRST ALERT Carbon Monoxide Detector No Outlet Required Battery Operated CO400 White 2 Count (Pack of 1)**First Alert**$34.68**4.6★23,091 rev](https://www.amazon.com/dp/B002GP7CZS) [2**First Alert Plug in Carbon Monoxide Alarm**First Alert**$24.05**4.7★23,005 rev](https://www.amazon.com/dp/B000ND74XA) [3**Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition**Kidde**$22.91**4.8★1,663 rev](https://www.amazon.com/dp/B0DT1MGCKK) [4**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) [5**SITERWELL Plug in Carbon Monoxide Detector 10 Year Battery CO Alarm Detector with Electrochemical Sensor and Sound Warning AC Powered Portable Carbon Monoxide Detector for Home Office Travel 2-Pack**SITERWELL**$45.91**4.7★399 rev](https://www.amazon.com/dp/B0DGL74V18)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**129 rev5mo ago](https://www.amazon.com/dp/B0G1CR88J9) [**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 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 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) [**SITERWELL Plug in Carbon Monoxide Detector 10 Year Battery CO Alarm Detector with Electrochemical Sensor and Sound Warning AC Powered Portable Carbon Monoxide Detector for Home Office Travel 2-Pack**SITERWELL**$45.91**399 rev1y ago](https://www.amazon.com/dp/B0DGL74V18)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**4.7★**▲ 187%**](https://www.amazon.com/dp/B0G1CR88J9) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**4.8★**▲ 182%**](https://www.amazon.com/dp/B0G1CPTKNQ) [**FIRST ALERT CO400-3 Carbon Monoxide Detector Battery Operated White 3-Pack -CO400-3**First Alert**$51.91**4.6★**▲ 176%**](https://www.amazon.com/dp/B004QO9VRY) [**Siterwell Carbon Monoxide Detectors 7 Year Product Life Portable Carbon Monoxide Detector with LCD Digital Display and Sound Warning ETL Listed Travel Carbon Monoxide Detector for Home 2-Pack**SITERWELL**$42.73**4.6★**▲ 109%**](https://www.amazon.com/dp/B0BFQJRQZW) [**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**4.7★**▲ 98%**](https://www.amazon.com/dp/B014KEPQLE)
**~~View all trending →~~**
## **What buyers say about carbon monoxide detectors 2 pack**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**16%
*“Easy install”*
**Quality-Overall**15%
*“These seem well-made”*
**Value For Money**11%
*“Excellent value”*
**Advertised Vs Actual Product**10%
*“As described”*
**Ease Of Use**7%
*“Easy peasy”*
**Efficiency**4%
*“effective”*
**Battery Life**4%
*“I love this battery powered”*
**Security**3%
*“keep your house safe”*
**Size-Overall**3%
*“Fit perfect in my camper”*
**Sensor**3%
*“New Detector worked fine”*
### **What buyers complain about **
**Battery Life**20%
*“Beeps as battery are low”*
**Durability**12%
*“Not durable”*
**Functionality-Overall**11%
*“Did not work”*
**Noise Level**8%
*“it was very loud”*
**Quality-Overall**4%
*“VERY POOR quality control”*
**Product Condition**3%
*“It was used”*
**Measurement/Reading Accuracy**3%
*“likely none of us have calibration equipment at home to determine this”*
**Defective Material/Parts**3%
*“seemed to be damaged based on the unit that I was replacing”*
**Value For Money**3%
*“just knock a $1 off the price”*
**Advertised Vs Actual Product**3%
*“Misleading listing”*
### **Top return reasons **
**Functionality-Overall**14%
**Value For Money**12%
**Advertised Vs Actual Product**12%
**Alarm/Timer Accuracy**10%
**Socket/Port/Plug**9%
**Size-Overall**7%
**Defective Material/Parts**6%
**Compatibility-Overall**5%
**Product Condition**3%
**Noise Level**3%
## **Common questions**
- **Is carbon monoxide detectors 2 pack profitable to sell on Amazon United States?**
- The niche generates $192K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -32.2%. Flapen's verdict: Skip it (39/100).
- **How competitive is the carbon monoxide detectors 2 pack niche?**
- 3 brands and 44 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in carbon monoxide detectors 2 pack?**
- Top complaints mined from reviews: Battery Life, Durability, Functionality-Overall. The return rate is 2.1%.
- **When does demand for carbon monoxide detectors 2 pack peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 3.0× the quietest.
- **What does it cost to enter the carbon monoxide detectors 2 pack niche?**
- Listings span $20.30–$78.24; the average listing price is $37.78 (sweet spot $15–$100). The average incumbent carries 10,074 reviews — the moat a new listing must climb.
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