carbon monoxide meter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$52.60avg listing price — sweet spot $15–$100
Price range
Good$21.91–$131.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Returns
Good2.9%return rate — above 5% kills the launch gate
Market size
Good$288K$288K/yr · 94K searches
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad6,576.57avg incumbent reviews — the moat a new listing must climb
Growth
Bad-47.3%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
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
carbon monoxide meter market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $316K–$421K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #20
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 4.3%
- Avg brand age
- 38 months
- Avg seller age
- 161 days
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.Peak months: Jan, Feb, Mar, Nov, Dec · busiest ÷ quietest = 2.9×
Top carbon monoxide meter search terms
- carbon monoxide meter43K/yr
- co detector portable21K/yr
- handheld carbon monoxide detector10K/yr
- carbon monoxide meter handheld5K/yr
- carbon monoxide sniffer3K/yr
- handheld co detector3K/yr
- hand held carbon monoxide detectors4K/yr
- fieldpiece carbon monoxide detector4K/yr
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.
All 14 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

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

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$21.914.6★8,510 rev

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$95.654.2★552 rev

Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition
Kidde$39.144.7★27,258 rev
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
TOPTES$68.5743 rev

Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD
Kidde$44.2327,258 rev

Kidde Carbon Monoxide Detector AA Battery-Powered COB
Kidde$25.64129 rev

Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition
Kidde$22.911,663 rev

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$29.25105 rev
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
TOPTES$68.574.9★

Kidde Carbon Monoxide Detector AA Battery-Powered COB
Kidde$25.644.7★

Temtop CO2 Monitor Indoor air Quality Monitor Portable CO2 Meter CO2 Temperature Humidity Home Office or School
Temtop$37.614.3★

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$29.254.4★

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$96.444.4★
What buyers say about carbon monoxide meter
What buyers praise and complain about, mined from review topics.What buyers love
“easy to read”
“the overall build quality feels solid”
“Great deal”
“As Described”
“Easy to mount”
“Unit works fine”
“Batteries last a long time”
“no more leaks”
“This sensor has already come in handy”
“Portable”
What buyers complain about
“Pin pointed leak”
“does not work properly”
“could smell it”
“faulty calibration”
“Beeps as battery are low”
“Beep is loud”
“Just little over 1 month”
“VERY POOR quality control”
“Need better instructions on calibration”
“Very old product”
Top return reasons
Common questions
- Is carbon monoxide meter profitable to sell on Amazon United States?
- 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).
- How competitive is the carbon monoxide meter niche?
- 5 brands and 45 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in carbon monoxide meter?
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Smell. The return rate is 2.9%.
- When does demand for carbon monoxide meter peak?
- Demand peaks in Jan–Feb–Mar–Nov–Dec; the busiest month runs 2.9× the quietest.
- What does it cost to enter the carbon monoxide meter niche?
- 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.