---
title: "Portable Carbon Monoxide Detector — $901K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/portable-carbon-monoxide-detector"
last_updated: "2026-08-08T18:32:34.930Z"
locale: en
meta:
description: "Niche score 44/100 · $901K/yr market · 914K searches/yr · $30.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $901K/yr market · 914K searches/yr · $30.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Portable Carbon Monoxide Detector — $901K/yr Amazon US Niche (2026) - Flapen"
---
# **portable carbon monoxide detector**
**Skip it**
Soft demand (-22.1% this quarter) — this niche doesn't clear our bar today.
Market size 76Growth 14Conversion 40Competition 17Returns 77Price range 95Avg price 95Brand share 14Review moat 23Quality gap 45
**Avg price**
**Incredible****$30.61**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.99–$57.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Market size**
**Great****$901K**
$901K/yr · 914K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****7,026.92**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-22.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, portable carbon monoxide detector is a $901K/yr Amazon United States market (914K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Apr. Verdict: Skip it — 44/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **portable carbon monoxide detector market data**
- **Units sold / yr**
- **50K–60K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$1.5M–$1.8M**
- units × avg price
- **Conversion rate**
- **3.2%**
- **Avg BSR**
- **#12**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **5.6%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**37**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**3%**
- Kidde78% - TOPTES5% - First Alert4% - Dienmern4% - SITERWELL3% - INKBIRDPLUS3% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.1% search growth over the last 90 days.
400K300KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr · busiest ÷ quietest = 11.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/portable-carbon-monoxide-detector/trend)
## **Top portable carbon monoxide detector search terms**
- **portable carbon monoxide detector**280K/yr-19.9%3.4% conv. - **travel carbon monoxide detector**153K/yr-26.6%4.5% conv. - **carbon monoxide detectors portable**156K/yr-28.4%2.8% conv. - **portable carbon monoxide detector for travel**66K/yr-13.5%3.4% conv. - **carbon monoxide detectors travel**27K/yr+20.2%4.1% conv. - **portable carbon monoxide detectors for travel**20K/yr+58.9%2.2% conv. - **portable co detector**28K/yr-28.3%2.1% conv. - **portable co2 detector for travel**30K/yr-43.1%3.6% conv. - **portable carbon monoxide detectors**22K/yr-19.2%3.1% conv. - **travel carbon monoxide detector portable**11K/yr+37.3%5.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/portable-carbon-monoxide-detector/search-terms)
## **Top portable 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.
0%10%$90K20%$180K30%$270K40%$360K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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) [2**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**4.7★129 rev](https://www.amazon.com/dp/B0G1CR88J9) [3**Kidde Carbon Monoxide Detector AA Battery-Powered COBD**Kidde**$31.30**4.7★19,829 rev](https://www.amazon.com/dp/B0G1CQ4S2Z) [4**TOPTES CT-580 Portable Carbon Monoxide Detector Rechargeable CO Detector with Vibration Visual & Audible Alarms 0-1000PPM TFT Color Display for Home Camping Travel Industrial & Professional Use**TOPTES**$57.62**4.5★650 rev](https://www.amazon.com/dp/B0DGLFL7K8) [5**5-in-1 CO2 Carbon Dioxide Detector Dienmern Portable Air Quality Monitor Indoor 1600mAh Powerful Battery CO2 Monitor for CO2/Temp/Humidity LED Display CO2 Detector for Travel/Office/Home/Grow Tents**Dienmern**$23.35**3.0★30 rev](https://www.amazon.com/dp/B0GTB442ND)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Carbon Monoxide Detector AA Battery-Powered COBD**Kidde**$31.30**19,829 rev4mo ago](https://www.amazon.com/dp/B0G1CQ4S2Z) [**5-in-1 CO2 Carbon Dioxide Detector Dienmern Portable Air Quality Monitor Indoor 1600mAh Powerful Battery CO2 Monitor for CO2/Temp/Humidity LED Display CO2 Detector for Travel/Office/Home/Grow Tents**Dienmern**$23.35**30 rev4mo ago](https://www.amazon.com/dp/B0GTB442ND) [**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)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**5-in-1 CO2 Carbon Dioxide Detector Dienmern Portable Air Quality Monitor Indoor 1600mAh Powerful Battery CO2 Monitor for CO2/Temp/Humidity LED Display CO2 Detector for Travel/Office/Home/Grow Tents**Dienmern**$23.35**3.0★**▲ 63%**](https://www.amazon.com/dp/B0GTB442ND) [**INKBIRDPLUS Portable CO2 Detector Mini Indoor CO2 Monitor NDIR Sensor with Full Color LCD for Home Office Travel (PTH-10C)**INKBIRDPLUS**$39.16**3.8★**▲ 58%**](https://www.amazon.com/dp/B0CF26PLJR) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**4.8★**▲ 58%**](https://www.amazon.com/dp/B0G1CPTKNQ) [**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**4.7★**▲ 53%**](https://www.amazon.com/dp/B0G1CR88J9) [**Heiman Carbon Monoxide Detectors Mini CO Detector Long Battery Operated UL 2034 5th Ed. Figaro Sensor/85 dB Alarm/Test Silence Button Stand-Alone CO Alarm for Home Hotel Rental Apartment C1-S**HEIMAN**$24.01**4.4★**▲ 46%**](https://www.amazon.com/dp/B0CKQC5NTN)
**~~View all trending →~~**
## **What buyers say about portable carbon monoxide detector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**15%
*“Easy install”*
**Quality-Overall**13%
*“The build quality feels solid and durable”*
**Value For Money**10%
*“Excellent value”*
**Advertised Vs Actual Product**10%
*“As described”*
**Ease Of Use**8%
*“Easy peasy”*
**Battery Life**4%
*“The battery lasts for literal days”*
**Efficiency**4%
*“Works great”*
**Size-Overall**3%
*“Fit perfect in my camper”*
**Security**3%
*“keep your house safe”*
**Sensor**3%
*“this should be a good sensor”*
### **What buyers complain about **
**Battery Life**15%
*“Battery didn't last”*
**Durability**11%
*“Failed after two years”*
**Noise Level**9%
*“Began beeping”*
**Functionality-Overall**9%
*“DOESN'T WORK OUT OF THE BOX”*
**Value For Money**4%
*“just knock a $1 off the price”*
**Quality-Overall**4%
*“VERY POOR quality control”*
**Measurement/Reading Accuracy**4%
*“was getting very clear non-zero readings”*
**Product Condition**3%
*“It was used”*
**Size-Overall**3%
*“Small”*
**Display-Overall**2%
*“No digital CO level display”*
### **Top return reasons **
**Functionality-Overall**14%
**Value For Money**12%
**Advertised Vs Actual Product**11%
**Alarm/Timer Accuracy**10%
**Socket/Port/Plug**8%
**Size-Overall**7%
**Defective Material/Parts**5%
**Compatibility-Overall**5%
**Product Condition**3%
**Measurement/Reading Accuracy**3%
## **Common questions**
- **Is portable carbon monoxide detector profitable to sell on Amazon United States?**
- The niche generates $901K/yr across 13 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -22.1%. Flapen's verdict: Skip it (44/100).
- **How competitive is the portable carbon monoxide detector niche?**
- 7 brands and 37 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in portable carbon monoxide detector?**
- Top complaints mined from reviews: Battery Life, Durability, Noise Level. The return rate is 1.9%.
- **When does demand for portable carbon monoxide detector peak?**
- Demand peaks in Apr; the busiest month runs 11.1× the quietest.
- **What does it cost to enter the portable carbon monoxide detector niche?**
- Listings span $20.99–$57.62; the average listing price is $30.61 (sweet spot $15–$100). The average incumbent carries 7,027 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)