---
title: "Smoke Detector Carbon Monoxide Detector Combo Wired — $59K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/smoke-detector-carbon-monoxide-detector-combo-wired"
last_updated: "2026-08-08T13:50:53.646Z"
locale: en
meta:
description: "Niche score 35/100 · $59K/yr market · 12K searches/yr · $93.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $59K/yr market · 12K searches/yr · $93.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Smoke Detector Carbon Monoxide Detector Combo Wired — $59K/yr Amazon US Niche (2026) - Flapen"
---
# **smoke detector carbon monoxide detector combo wired**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 15Growth 6Conversion 60Competition 37Returns 51Price range 33Avg price 77Brand share 4Review moat 60Quality gap 62
**Avg price**
**Great****$93.19**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****5.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,105.4**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$28.87–$245.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$59K**
$59K/yr · 12K searches
**Growth**
**Bad****-38.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
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, smoke detector carbon monoxide detector combo wired is a $59K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 35/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **smoke detector carbon monoxide detector combo wired market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$47K–$70K**
- units × avg price
- **Conversion rate**
- **5.2%**
- **Avg BSR**
- **#12**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **9.3%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **▼falling
**Sellers**
**141**
**Top-5 brand share**
**98%**
Top 20: 98%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**0%**
- First Alert66% - Kidde30% - X-Sense2% - --2%
## **Demand & seasonality**
Weekly Amazon search volume, last 74 weeks — -38.3% search growth over the last 90 days.
500300Spike '25Prime Day '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/smoke-detector-carbon-monoxide-detector-combo-wired/trend)
## **Top smoke detector carbon monoxide detector combo wired 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%$6K20%$12K30%$18K40%$23K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$50.54**4.5★1,569 rev](https://www.amazon.com/dp/B0CLVRSC1Q) [2**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$245.32**4.5★1,569 rev](https://www.amazon.com/dp/B0CLVS37Z9) [3**First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm**First Alert**$141.74**4.5★1,569 rev](https://www.amazon.com/dp/B0CLVQF7MC) [4**Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 3 Pack**Kidde**$191.12**4.2★1,237 rev](https://www.amazon.com/dp/B0FFVYJXPZ) [5**Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10-V 1 Pack**Kidde**$63.52**4.2★1,653 rev](https://www.amazon.com/dp/B0CX6B86QS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 3 Pack**Kidde**$191.12**1,237 rev10mo ago](https://www.amazon.com/dp/B0FFVYJXPZ) [**Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack**Kidde**$109.40**153 rev10mo ago](https://www.amazon.com/dp/B0FFVNVG4M) [**Kidde Smoke & Carbon Monoxide Detector AA Battery-Powered 30CUDR 3 Pack**Kidde**$133.92**654 rev10mo ago](https://www.amazon.com/dp/B0FFVPFMFR) [**Kidde Hardwired Smoke & Carbon Monoxide Detector 10-Year Battery Backup Voice Alerts Interconnectable LED Warning Light Indicators 4 Pack**Kidde**$218.37**365 rev1y ago](https://www.amazon.com/dp/B0DDWD2PZ3) [**Kidde Hardwired Smoke & Carbon Monoxide Detector AA Battery Backup Smoke Alarm Interconnectable LED Warning Light Indicators 2 Pack**Kidde**$89.11**888 rev1y ago](https://www.amazon.com/dp/B0DDW7NL1K)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack**Kidde**$109.40**4.4★**▲ 275%**](https://www.amazon.com/dp/B0FFVNVG4M) [**Kidde Smoke & Carbon Monoxide Detector AA Battery-Powered 30CUDR 3 Pack**Kidde**$133.92**4.4★**▲ 264%**](https://www.amazon.com/dp/B0FFVPFMFR) [**BRK SC9120B Smoke and Carbon Monoxide Alarm**--**$50.36**4.6★**▲ 136%**](https://www.amazon.com/dp/B0064S9O1S) [**Kidde Smoke & CO Detector Hardwired & AA Battery Backup 30CUAR 1 Pack**Kidde**$61.70**4.2★**▲ 90%**](https://www.amazon.com/dp/B0CX6GZYB4) [**X-Sense Smoke Detector Carbon Monoxide Detector Combo SC07 1-Pack**X-Sense**$33.56**4.6★**▲ 87%**](https://www.amazon.com/dp/B09P52JX2R)
**~~View all trending →~~**
## **What buyers say about smoke detector carbon monoxide detector combo wired**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**26%
*“Easy to install and setup”*
**Quality-Overall**11%
*“Quality that's affordable”*
**Advertised Vs Actual Product**9%
*“As described”*
**Value For Money**7%
*“Excellent Value”*
**Efficiency**5%
*“Work as advertised”*
**Battery Life**4%
*“Well Made and has long lasting battery”*
**Ease Of Use**4%
*“Easy peasy”*
**Sensor**4%
*“CO detector is a definite plus”*
**Size-Overall**4%
*“Everything fit exactly as needed”*
**Alarm/Timer Accuracy**4%
*“Alarm”*
### **What buyers complain about **
**Durability**21%
*“Failed after about 12 months”*
**Quality-Overall**10%
*“Garbage Product”*
**Battery Life**10%
*“Battery was dead when received”*
**Value For Money**8%
*“Little expensive”*
**Noise Level**7%
*“began incredibly irritating beeping”*
**Alarm/Timer Accuracy**6%
*“Smoke alarm does not work”*
**Functionality-Overall**6%
*“Doesnt work”*
**Compatibility-Overall**3%
*“Not compatible as claimed”*
**Assembly/Installation**2%
*“I wanted something I could easily set up myself, this is not it”*
**Advertised Vs Actual Product**2%
*“misleading pictures”*
### **Top return reasons **
**Alarm/Timer Accuracy**30%
**Compatibility-Overall**14%
**Connectivity-Overall**10%
**Value For Money**8%
**Advertised Vs Actual Product**7%
**Functionality-Overall**7%
**Size-Overall**6%
**Defective Material/Parts**4%
**Product Condition**2%
**Assembly/Installation**2%
## **Common questions**
- **Is smoke detector carbon monoxide detector combo wired profitable to sell on Amazon United States?**
- The niche generates $59K/yr across 20 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -38.3%. Flapen's verdict: Skip it (35/100).
- **How competitive is the smoke detector carbon monoxide detector combo wired niche?**
- 3 brands and 141 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in smoke detector carbon monoxide detector combo wired?**
- Top complaints mined from reviews: Durability, Quality-Overall, Battery Life. The return rate is 2.9%.
- **When does demand for smoke detector carbon monoxide detector combo wired peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the smoke detector carbon monoxide detector combo wired niche?**
- Listings span $28.87–$245.32; the average listing price is $93.19 (sweet spot $15–$100). The average incumbent carries 1,105 reviews — the moat a new listing must climb.
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