---
title: "Smart Carbon Monoxide Detector — $72K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/smart-carbon-monoxide-detector"
last_updated: "2026-08-08T14:41:27.576Z"
locale: en
meta:
description: "Niche score 32/100 · $72K/yr market · 68K searches/yr · $54.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $72K/yr market · 68K searches/yr · $54.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Smart Carbon Monoxide Detector — $72K/yr Amazon US Niche (2026) - Flapen"
---
# **smart carbon monoxide detector**
**Skip it**
Soft demand (-47.3% this quarter) — this niche doesn't clear our bar today.
Market size 18Growth 1Conversion 24Competition 43Returns 68Price range 56Avg price 92Brand share 4Review moat 24Quality gap 45
**Avg price**
**Great****$54.56**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$22.91–$159.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****5,150.73**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$72K**
$72K/yr · 68K searches
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-47.3%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, smart carbon monoxide detector is a $72K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Dec. Verdict: Skip it — 32/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **smart carbon monoxide detector market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$164K–$218K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#20**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **5.9%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **135 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 99%
**Open market**
**0%**
- Kidde62% - X-Sense16% - HEIMAN10% - GoveeLife7% - SwitchBot4% - First Alert1%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -47.3% search growth over the last 90 days.
20K15KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 23.8×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/smart-carbon-monoxide-detector/trend)
## **Top smart carbon monoxide detector search terms**
- **smart carbon monoxide detector**22K/yr-39.8%1.7% conv. - **wifi carbon monoxide detector**10K/yr-63.2%2.3% conv. - **x sense carbon monoxide detectors**7K/yr-50.3%1.6% conv. - **smart carbon monoxide detectors**5K/yr-30.4%2.3% conv. - **carbon monoxide detectors smart**3K/yr-10.1%1.6% conv. - **smart co detector**5K/yr-53.9%1.2% conv. - **smart co2 detector**4K/yr-43.1%2.4% conv. - **carbon monoxide detectors wifi**5K/yr-59.8%2.7% conv. - **x-sense carbon monoxide detector**4K/yr-56.3%1.6% conv. - **xsense carbon monoxide detector**4K/yr-62.4%1.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/smart-carbon-monoxide-detector/search-terms)
## **Top smart 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%5%$4K10%$7K15%$11K20%$14K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kidde Smart Carbon Monoxide Detector Plug-in & AA Battery Backup COPDW**Kidde**$54.64**4.4★36 rev](https://www.amazon.com/dp/B0G1CRB8R6) [2**Kidde Smart CO Detector + Indoor Air Quality Plug-in & AA Battery COPDLQW**Kidde**$77.25**4.3★46 rev](https://www.amazon.com/dp/B0G1CRBH9K) [3**Kidde Smart Smoke and Carbon Monoxide Detector Ring App Enabled for Real-Time Notifications Wire-Free Interconnectivity AA Battery Powered**Kidde**$68.33**4.5★275 rev](https://www.amazon.com/dp/B0FP3MM8W4) [4**X-Sense Smoke Detector Carbon Monoxide Detector Combo SC07 1-Pack**X-Sense**$33.56**4.6★4,104 rev](https://www.amazon.com/dp/B09P52JX2R) [5**GoveeLife Smart Air Quality Monitor CO2 Detector H5140 Display & Alarm**GoveeLife**$66.04**4.5★190 rev](https://www.amazon.com/dp/B0FFMZL15X)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Smart Carbon Monoxide Detector Plug-in & AA Battery Backup COPDW**Kidde**$54.64**36 rev4mo ago](https://www.amazon.com/dp/B0G1CRB8R6) [**Kidde Smart CO Detector + Indoor Air Quality Plug-in & AA Battery COPDLQW**Kidde**$77.25**46 rev4mo ago](https://www.amazon.com/dp/B0G1CRBH9K) [**Heiman Carbon Monoxide Detectors Matter CO Alarm Real-time Notification**HEIMAN**$50.49**16 rev4mo ago](https://www.amazon.com/dp/B0G135MZJY) [**X-Sense Smoke & Carbon Monoxide Alarm SC06 1-Pack**X-Sense**$36.31**245 rev4mo ago](https://www.amazon.com/dp/B0GRGSF49J) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**27,258 rev5mo ago](https://www.amazon.com/dp/B0G1C86M5S)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**X-Sense Smoke Detector Carbon Monoxide Detector Combo SC07 5-Pack**X-Sense**$159.77**4.6★**▲ 120%**](https://www.amazon.com/dp/B0GGHFD2B8) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**4.7★**▲ 104%**](https://www.amazon.com/dp/B0G1C86M5S) [**Heiman Carbon Monoxide Detectors Matter CO Alarm Real-time Notification**HEIMAN**$50.49**3.8★**▲ 96%**](https://www.amazon.com/dp/B0G135MZJY) [**Kidde Smart Carbon Monoxide Detector Plug-in & AA Battery Backup COPDW**Kidde**$54.64**4.4★**▲ 90%**](https://www.amazon.com/dp/B0G1CRB8R6) [**Kidde Smart CO Detector + Indoor Air Quality Plug-in & AA Battery COPDLQW**Kidde**$77.25**4.3★**▲ 77%**](https://www.amazon.com/dp/B0G1CRBH9K)
**~~View all trending →~~**
## **What buyers say about smart carbon monoxide detector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**20%
*“Easy install”*
**Quality-Overall**12%
*“Excellent product”*
**Value For Money**8%
*“Excellent value”*
**Advertised Vs Actual Product**7%
*“As described”*
**Ease Of Use**6%
*“easy to read”*
**Battery Life**5%
*“User friendly and long battery life”*
**Efficiency**4%
*“Effective”*
**Connectivity-Overall**4%
*“We have no problems with our wifi”*
**Sensor**3%
*“Overall, this is a straightforward and user-friendly detector with useful features and added convenience”*
**Security**3%
*“Keeps you safe”*
### **What buyers complain about **
**Battery Life**12%
*“Beeps as battery are low”*
**Durability**10%
*“Failed after 1 year”*
**Connectivity-Overall**9%
*“Would not stay connected to wifi”*
**Noise Level**6%
*“This is loud”*
**Functionality-Overall**6%
*“DOESN'T WORK OUT OF THE BOX”*
**Value For Money**6%
*“not a great price”*
**Quality-Overall**5%
*“VERY POOR quality control”*
**Size-Overall**3%
*“not quite fitting”*
**Alarm/Timer Accuracy**2%
*“no alarm yet”*
**Product Condition**2%
*“Very old product”*
### **Top return reasons **
**Alarm/Timer Accuracy**13%
**Functionality-Overall**11%
**Connectivity-Overall**11%
**Value For Money**11%
**Size-Overall**9%
**Advertised Vs Actual Product**9%
**Compatibility-Overall**7%
**Defective Material/Parts**5%
**Product Condition**4%
**Socket/Port/Plug**3%
## **Common questions**
- **Is smart carbon monoxide detector profitable to sell on Amazon United States?**
- The niche generates $72K/yr across 22 tracked products. 9 of 9 products launched in the last 360 days are still selling. 90-day search growth is -47.3%. Flapen's verdict: Skip it (32/100).
- **How competitive is the smart carbon monoxide detector niche?**
- 6 brands and 48 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in smart carbon monoxide detector?**
- Top complaints mined from reviews: Battery Life, Durability, Connectivity-Overall. The return rate is 2.3%.
- **When does demand for smart carbon monoxide detector peak?**
- Demand peaks in Dec; the busiest month runs 23.8× the quietest.
- **What does it cost to enter the smart carbon monoxide detector niche?**
- Listings span $22.91–$159.77; the average listing price is $54.56 (sweet spot $15–$100). The average incumbent carries 5,151 reviews — the moat a new listing must climb.
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