co meter
Skip itSoft demand (-55.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$58.34avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Returns
Good2.5%return rate — above 5% kills the launch gate
Price range
Good$22.91–$174.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.0%search→purchase rate — share of searches ending in a sale
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Review moat
Bad4,882.86avg incumbent reviews — the moat a new listing must climb
Market size
Bad$63K$63K/yr · 27K searches
Growth
Bad-55.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, co meter is a $63K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 40/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
co meter market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $88K–$117K
- units × avg price
- Conversion rate
- 4.0%
- Avg BSR
- #23
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 90%
- Out of stock
- 3.1%
- Avg brand age
- 37 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
62
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
57%
Top 20: 99%
Open market
14%
- Kidde35%
- TOPTES29%
- KLEIN TOOLS8%
- INKBIRDPLUS5%
- BW Technologies5%
- FORENSICS DETECTORS FD4%
- Open — no brand owns it (7 brands, 14%)
Top co meter search terms
- co meter16K/yr
- portable co monitor4K/yr
- co monitor portable4K/yr
- co experts low level carbon monoxide detector3K/yr
Top co 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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$57.624.5★650 rev
Kidde Carbon Monoxide Detector AA Battery Powered CO Alarm with LEDs Test-Reset Button Low Battery Indicator Portable
Kidde$27.764.7★19,829 rev
Klein Tools ET110 CO Meter Carbon Monoxide Tester and Detector with Exposure Limit Alarm 4 x AAA Batteries and Carry Pouch Included
KLEIN TOOLS$131.884.6★1,247 rev
Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition
Kidde$22.914.8★1,663 rev
Kidde Carbon Monoxide Detector AA Battery-Powered COBDL
Kidde$39.574.7★51 rev
Newest
by launch date
Air Quality Monitor Indoor 10 in 1 Portable Smart Air Quality Tester
zemeollo$30.559 rev
Upgraded 10-in-1 Smart Air Quality Monitor Professional Indoor Air Test Kit for CO TVOC HCHO PM0.3-10 PM2.5 Temperature & AQI Home Car Pets Plants Hotels White
YISPK$28.0540 rev
Kidde Carbon Monoxide Detector AA Battery-Powered COBDL
Kidde$39.5751 rev
Kidde Carbon Monoxide Detector AA Battery-Powered COBD
Kidde$31.3019,829 rev
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$23.3530 rev
Trending
90-day click momentumUpgraded 10-in-1 Smart Air Quality Monitor Professional Indoor Air Test Kit for CO TVOC HCHO PM0.3-10 PM2.5 Temperature & AQI Home Car Pets Plants Hotels White
YISPK$28.053.6★
Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD
Kidde$44.234.7★
Kidde Carbon Monoxide Detector AA Battery-Powered COBD
Kidde$31.304.7★
Air Quality Monitor Indoor 10 in 1 Portable Smart Air Quality Tester
zemeollo$30.553.0★
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$23.353.0★
What buyers say about co meter
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Easy install”
“Easy peasy”
“Excellent value”
“As described”
“Battery holds a decent charge”
“Unit works fine”
“It is portable”
“Great detector”
“Keeps you safe”
What buyers complain about
“Didnt last”
“Does not work out of the box”
“Beeps as battery are low”
“it was very loud”
“faulty calibration”
“VERY POOR quality control”
“not quite fitting”
“these should be way cheaper”
“Failed to detect a leak”
“They only held a charge for two days”
Top return reasons
Common questions
- Is co meter profitable to sell on Amazon United States?
- The niche generates $63K/yr across 21 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is -55.3%. Flapen's verdict: Skip it (40/100).
- How competitive is the co meter niche?
- 13 brands and 62 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in co meter?
- Top complaints mined from reviews: Durability, Functionality-Overall, Battery Life. The return rate is 2.5%.
- What does it cost to enter the co meter niche?
- Listings span $22.91–$174.28; the average listing price is $58.34 (sweet spot $15–$100). The average incumbent carries 4,883 reviews — the moat a new listing must climb.