---
title: "Carbon Monoxide Detectors 3 Pack — $77K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detectors-3-pack"
last_updated: "2026-08-08T19:59:18.369Z"
locale: en
meta:
description: "Niche score 32/100 · $77K/yr market · 10K searches/yr · $54.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $77K/yr market · 10K searches/yr · $54.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Carbon Monoxide Detectors 3 Pack — $77K/yr Amazon US Niche (2026) - Flapen"
---
# **carbon monoxide detectors 3 pack**
**Skip it**
Soft demand (-52.1% this quarter) — this niche doesn't clear our bar today.
Market size 19Growth 0Conversion 97Competition 6Returns 62Price range 95Avg price 92Brand share 0Review moat 22Quality gap 24
**Conversion**
**Incredible****14.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Incredible****$22.91–$69.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$54.42**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****10,357**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$77K**
$77K/yr · 10K searches
**Competition**
**Bad****93%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-52.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**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, carbon monoxide detectors 3 pack is a $77K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Nov–Dec. Verdict: Skip it — 32/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carbon monoxide detectors 3 pack market data**
- **Units sold / yr**
- **750–1K**
- avg 100–250/product
- **Revenue / yr**
- **$41K–$54K**
- units × avg price
- **Conversion rate**
- **14.8%**
- **Avg BSR**
- **#15**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **43%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**13**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**93%**
Top 20: 100%
**Open market**
**0%**
- First Alert84% - Kidde7% - HEIMAN6% - siterlink3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 65 weeks — -52.1% search growth over the last 90 days.
400300Prime Day '25Spike '25Holiday '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jan, Feb, Mar, Nov, Dec · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-detectors-3-pack/trend)
## **Top carbon monoxide detectors 3 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%15%$12K30%$23K45%$35K60%$46K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**FIRST ALERT CO400-3 Carbon Monoxide Detector Battery Operated White 3-Pack -CO400-3**First Alert**$51.91**4.6★23,091 rev](https://www.amazon.com/dp/B004QO9VRY) [2**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**4.7★23,005 rev](https://www.amazon.com/dp/B014KEPQLE) [3**FIRST ALERT Plug-In Carbon Monoxide Detector 3 Count (Pack of 1) CO600 White 6.75 x 6.9 x 9 inches**First Alert**$69.05**4.7★1,308 rev](https://www.amazon.com/dp/B014KEPWY0) [4**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) [5**HEIMAN Carbon Monoxide Detectors Interconnected CO Alarm C1-R 3 Pack**HEIMAN**$69.09**4.3★45 rev](https://www.amazon.com/dp/B0FPFYFG4Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HEIMAN Carbon Monoxide Detectors Interconnected CO Alarm C1-R 3 Pack**HEIMAN**$69.09**45 rev11mo ago](https://www.amazon.com/dp/B0FPFYFG4Y) [**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) [**Siterlink Carbon Monoxide Detectors Plug in 10 Year Replaceable Battery Operated Co Monitor Alarm Plug and Play Co Detector Portable Carbon Monoxide Detector for Home Traval Hotel 3 Pack**siterlink**$65.92**296 rev1y ago](https://www.amazon.com/dp/B0DGSH2DGC) [**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**23,005 rev10y ago](https://www.amazon.com/dp/B014KEPQLE) [**FIRST ALERT Plug-In Carbon Monoxide Detector 3 Count (Pack of 1) CO600 White 6.75 x 6.9 x 9 inches**First Alert**$69.05**1,308 rev10y ago](https://www.amazon.com/dp/B014KEPWY0)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HEIMAN Carbon Monoxide Detectors Interconnected CO Alarm C1-R 3 Pack**HEIMAN**$69.09**4.3★**▲ 196%**](https://www.amazon.com/dp/B0FPFYFG4Y) [**Siterlink Carbon Monoxide Detectors Plug in 10 Year Replaceable Battery Operated Co Monitor Alarm Plug and Play Co Detector Portable Carbon Monoxide Detector for Home Traval Hotel 3 Pack**siterlink**$65.92**4.6★**▲ 63%**](https://www.amazon.com/dp/B0DGSH2DGC) [**FIRST ALERT Carbon Monoxide Detector No Outlet Required Battery Operated CO400 White 2 Count (Pack of 1)**First Alert**$34.68**4.6★**▲ 22%**](https://www.amazon.com/dp/B002GP7CZS) [**FIRST ALERT CO400-3 Carbon Monoxide Detector Battery Operated White 3-Pack -CO400-3**First Alert**$51.91**4.6★**▲ 16%**](https://www.amazon.com/dp/B004QO9VRY) [**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★**— 4%**](https://www.amazon.com/dp/B0DT1MGCKK)
**~~View all trending →~~**
## **What buyers say about carbon monoxide detectors 3 pack**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**20%
*“Installation was quick”*
**Value For Money**12%
*“Excellent value”*
**Quality-Overall**12%
*“These seem well made”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Security**6%
*“Keeps you safe”*
**Size-Overall**4%
*“Fit perfect in my camper”*
**Efficiency**4%
*“Testing worked great”*
**Ease Of Use**3%
*“Easy peasy”*
**Durability**3%
*“Long lasting and reliable”*
**Battery Life**3%
*“good battery life”*
### **What buyers complain about **
**Battery Life**18%
*“Poor battery life or may be defective”*
**Functionality-Overall**11%
*“Malfunction”*
**Durability**10%
*“Broken after 1 year”*
**Noise Level**7%
*“Its reliable and very loud”*
**Quality-Overall**5%
*“VERY POOR quality control”*
**Measurement/Reading Accuracy**5%
*“Needs a disply to show ppm”*
**Value For Money**4%
*“these should be way cheaper”*
**Maintenance And Repair**3%
*“These items need to be replaced after 10years”*
**Display-Overall**2%
*“Wish it had a display”*
**Advertised Vs Actual Product**2%
*“therefore not as described”*
### **Top return reasons **
**Advertised Vs Actual Product**14%
**Value For Money**13%
**Socket/Port/Plug**13%
**Functionality-Overall**12%
**Alarm/Timer Accuracy**10%
**Size-Overall**7%
**Defective Material/Parts**5%
**Compatibility-Overall**4%
**Connectivity-Overall**3%
**Noise Level**3%
## **Common questions**
- **Is carbon monoxide detectors 3 pack profitable to sell on Amazon United States?**
- The niche generates $77K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -52.1%. Flapen's verdict: Skip it (32/100).
- **How competitive is the carbon monoxide detectors 3 pack niche?**
- 4 brands and 13 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in carbon monoxide detectors 3 pack?**
- Top complaints mined from reviews: Battery Life, Functionality-Overall, Durability. The return rate is 2.5%.
- **When does demand for carbon monoxide detectors 3 pack peak?**
- Demand peaks in Jan–Feb–Mar–Nov–Dec; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the carbon monoxide detectors 3 pack niche?**
- Listings span $22.91–$69.09; the average listing price is $54.42 (sweet spot $15–$100). The average incumbent carries 10,357 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)