---
title: "Carbon Monoxide Meter — $288K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-meter"
last_updated: "2026-08-08T19:56:09.123Z"
locale: en
meta:
  description: "Niche score 36/100 · $288K/yr market · 94K searches/yr · $52.60 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · $288K/yr market · 94K searches/yr · $52.60 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Carbon Monoxide Meter — $288K/yr Amazon US Niche (2026) - Flapen"
---

# **carbon monoxide meter**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 51Growth 1Conversion 65Competition 30Returns 54Price range 71Avg price 92Brand share 0Review moat 24Quality gap 28

**Avg price**

**Great****$52.60**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$21.91–$131.88**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Good****5.8%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Good****2.9%**

return rate — above 5% kills the launch gate

**Market size**

**Good****$288K**

$288K/yr · 94K searches

**Competition**

**Okay****67%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****6,576.57**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-47.3%**

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 meter is a $288K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Nov–Dec. Verdict: Skip it — 36/100.

Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **carbon monoxide meter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$316K–$421K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#20**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**86%**</dd>

<dt>**Out of stock**</dt><dd>**4.3%**</dd>

<dt>**Avg brand age**</dt><dd>**38 months**</dd>

<dt>**Avg seller age**</dt><dd>**161 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**5 **▲rising

**Sellers**

**45**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**67%**

Top 20: 100%

**Open market**

**0%**

- TOPTES60% - Kidde19% - KLEIN TOOLS11% - Temtop5% - FORENSICS DETECTORS FD5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -47.3% search growth over the last 90 days.

5K4KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Nov, Dec · busiest ÷ quietest = 2.9×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-meter/trend)

## **Top carbon monoxide meter search terms**

- **carbon monoxide meter**43K/yr-44.7%3.6% conv. - **co detector portable**21K/yr-54.9%2.5% conv. - **handheld carbon monoxide detector**10K/yr-30.3%5.5% conv. - **carbon monoxide meter handheld**5K/yr-51.1%5.3% conv. - **carbon monoxide sniffer**3K/yr-43.6%4.4% conv. - **handheld co detector**3K/yr-48.6%6.1% conv. - **hand held carbon monoxide detectors**4K/yr-63.0%5.7% conv. - **fieldpiece carbon monoxide detector**4K/yr-69.0%0.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/carbon-monoxide-meter/search-terms)

## **Top carbon monoxide meter 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%$29K20%$58K30%$87K40%$115K101001K10K100K 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![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](https://m.media-amazon.com/images/I/41BTOlq7LlL.jpg)**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) [2![Klein Tools ET110 CO Meter Carbon Monoxide Tester and Detector with Exposure Limit Alarm 4 x AAA Batteries and Carry Pouch Included](https://m.media-amazon.com/images/I/31JmcxufmbL.jpg)**Klein Tools ET110 CO Meter Carbon Monoxide Tester and Detector with Exposure Limit Alarm 4 x AAA Batteries and Carry Pouch Included**KLEIN TOOLS**$131.88**4.6★1,247 rev](https://www.amazon.com/dp/B071GGL75N) [3![PT199 Natural Gas Leak Detector with Audible & Visual Alarm Portable Gas Sniffer to Locate Combustible Sources Like Methane Propane for Home(Includes Battery x2)-Orange](https://m.media-amazon.com/images/I/31Um8hl-UsL.jpg)**PT199 Natural Gas Leak Detector with Audible & Visual Alarm Portable Gas Sniffer to Locate Combustible Sources Like Methane Propane for Home(Includes Battery x2)-Orange**TOPTES**$21.91**4.6★8,510 rev](https://www.amazon.com/dp/B0B62LBZPC) [4![TopTes Guard-101 Gas Detector 4 Gas Monitor for H2S CO LEL and O2 with Vibration Visual and Audible Alarms 14h Long Battery Life Safety Explosion-Proof for Work Home - Orange](https://m.media-amazon.com/images/I/41R8dJoD++L.jpg)**TopTes Guard-101 Gas Detector 4 Gas Monitor for H2S CO LEL and O2 with Vibration Visual and Audible Alarms 14h Long Battery Life Safety Explosion-Proof for Work Home - Orange**TOPTES**$95.65**4.2★552 rev](https://www.amazon.com/dp/B0D7C8BJL1) [5![Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition](https://m.media-amazon.com/images/I/31pzhlbrZSL.jpg)**Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$39.14**4.7★27,258 rev](https://www.amazon.com/dp/B00002N86A)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![TOPTES CT-913 Portable Carbon Monoxide Detector Rechargeable CO Detector with Upgraded Sensor TFT Color Display with Triple Alarms 0-1000PPM for Camping Travel Industrial & Professional Use](https://m.media-amazon.com/images/I/41Tzi0SPw2L.jpg)**TOPTES CT-913 Portable Carbon Monoxide Detector Rechargeable CO Detector with Upgraded Sensor TFT Color Display with Triple Alarms 0-1000PPM for Camping Travel Industrial & Professional Use**TOPTES**$68.57**43 rev1mo ago](https://www.amazon.com/dp/B0GZZDMDCD) [![Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD](https://m.media-amazon.com/images/I/31Ilgd8pPKL.jpg)**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**27,258 rev5mo ago](https://www.amazon.com/dp/B0G1C86M5S) [![Kidde Carbon Monoxide Detector AA Battery-Powered COB](https://m.media-amazon.com/images/I/31WVrEM8MIL.jpg)**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**129 rev5mo ago](https://www.amazon.com/dp/B0G1CR88J9) [![Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition](https://m.media-amazon.com/images/I/31brJMbGEwL.jpg)**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) [![TopTes Guard-533 Portable Carbon Monoxide Detector CO Detector with Visual Audible & Vibration Alarms Back Clip Design 120h Standby Auto Record Storage Safety Explosion-Proof for Home Work Use](https://m.media-amazon.com/images/I/411K2+W+kFL.jpg)**TopTes Guard-533 Portable Carbon Monoxide Detector CO Detector with Visual Audible & Vibration Alarms Back Clip Design 120h Standby Auto Record Storage Safety Explosion-Proof for Home Work Use**TOPTES**$29.25**105 rev1y ago](https://www.amazon.com/dp/B0DHGFP7BM)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![TOPTES CT-913 Portable Carbon Monoxide Detector Rechargeable CO Detector with Upgraded Sensor TFT Color Display with Triple Alarms 0-1000PPM for Camping Travel Industrial & Professional Use](https://m.media-amazon.com/images/I/41Tzi0SPw2L.jpg)**TOPTES CT-913 Portable Carbon Monoxide Detector Rechargeable CO Detector with Upgraded Sensor TFT Color Display with Triple Alarms 0-1000PPM for Camping Travel Industrial & Professional Use**TOPTES**$68.57**4.9★**▲ 261%**](https://www.amazon.com/dp/B0GZZDMDCD) [![Kidde Carbon Monoxide Detector AA Battery-Powered COB](https://m.media-amazon.com/images/I/31WVrEM8MIL.jpg)**Kidde Carbon Monoxide Detector AA Battery-Powered COB**Kidde**$25.64**4.7★**▲ 257%**](https://www.amazon.com/dp/B0G1CR88J9) [![Temtop CO2 Monitor Indoor air Quality Monitor Portable CO2 Meter CO2 Temperature Humidity Home Office or School](https://m.media-amazon.com/images/I/417LEMsHhgL.jpg)**Temtop CO2 Monitor Indoor air Quality Monitor Portable CO2 Meter CO2 Temperature Humidity Home Office or School**Temtop**$37.61**4.3★**▲ 248%**](https://www.amazon.com/dp/B0CGX22CR8) [![TopTes Guard-533 Portable Carbon Monoxide Detector CO Detector with Visual Audible & Vibration Alarms Back Clip Design 120h Standby Auto Record Storage Safety Explosion-Proof for Home Work Use](https://m.media-amazon.com/images/I/411K2+W+kFL.jpg)**TopTes Guard-533 Portable Carbon Monoxide Detector CO Detector with Visual Audible & Vibration Alarms Back Clip Design 120h Standby Auto Record Storage Safety Explosion-Proof for Home Work Use**TOPTES**$29.25**4.4★**▲ 173%**](https://www.amazon.com/dp/B0DHGFP7BM) [![Carbon Monoxide CO Meter by Forensics | USA NIST Calibration | Dust & Explosion Proof | USB Recharge | Sound Light and Vibration Alarms | 0-1000 ppm |](https://m.media-amazon.com/images/I/414PDm14SRL.jpg)**Carbon Monoxide CO Meter by Forensics | USA NIST Calibration | Dust & Explosion Proof | USB Recharge | Sound Light and Vibration Alarms | 0-1000 ppm |**FORENSICS DETECTORS FD**$96.44**4.4★**▲ 121%**](https://www.amazon.com/dp/B07CMG69XQ)

**~~View all trending →~~**

## **What buyers say about carbon monoxide meter**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**12%

*“easy to read”*

**Quality-Overall**11%

*“the overall build quality feels solid”*

**Value For Money**10%

*“Great deal”*

**Advertised Vs Actual Product**10%

*“As Described”*

**Assembly/Installation**9%

*“Easy to mount”*

**Efficiency**7%

*“Unit works fine”*

**Battery Life**5%

*“Batteries last a long time”*

**Leak-Proof**5%

*“no more leaks”*

**Sensor**4%

*“This sensor has already come in handy”*

**Portability**3%

*“Portable”*

### **What buyers complain about **

**Leak-Proof**16%

*“Pin pointed leak”*

**Functionality-Overall**8%

*“does not work properly”*

**Smell**6%

*“could smell it”*

**Measurement/Reading Accuracy**6%

*“faulty calibration”*

**Battery Life**6%

*“Beeps as battery are low”*

**Noise Level**5%

*“Beep is loud”*

**Durability**5%

*“Just little over 1 month”*

**Quality-Overall**4%

*“VERY POOR quality control”*

**Instructions/User Manual/Troubleshooting**2%

*“Need better instructions on calibration”*

**Product Condition**2%

*“Very old product”*

### **Top return reasons **

**Functionality-Overall**18%

**Size-Overall**10%

**Advertised Vs Actual Product**9%

**Alarm/Timer Accuracy**9%

**Value For Money**8%

**Leak-Proof**6%

**Socket/Port/Plug**5%

**Defective Material/Parts**4%

**Product Condition**4%

**Compatibility-Overall**3%

## **Common questions**

<dl>

<dt>**Is carbon monoxide meter profitable to sell on Amazon United States?**</dt><dd>The niche generates $288K/yr across 14 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -47.3%. Flapen's verdict: Skip it (36/100).</dd>

<dt>**How competitive is the carbon monoxide meter niche?**</dt><dd>5 brands and 45 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in carbon monoxide meter?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Smell. The return rate is 2.9%.</dd>

<dt>**When does demand for carbon monoxide meter peak?**</dt><dd>Demand peaks in Jan–Feb–Mar–Nov–Dec; the busiest month runs 2.9× the quietest.</dd>

<dt>**What does it cost to enter the carbon monoxide meter niche?**</dt><dd>Listings span $21.91–$131.88; the average listing price is $52.60 (sweet spot $15–$100). The average incumbent carries 6,577 reviews — the moat a new listing must climb.</dd>

</dl>

## **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)