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Co2 Monitor

Maybe

An estimated 0.6% of orders come back. But demand is soft, at -31.3% this quarter, so Co2 Monitor is a Maybe.

Flapen Score
50
50 / 100
Top 43% of 2,225 DIY & Tools niches · +1 vs the category median of 49
Market size
£86K/yr107K searches / yr
90-day growth
-31.3%search demand this quarter
Competition
62%top-5 click share · 15 brands · 32 sellers

Flapen Score

Co2 Monitor against its category

The dotted line is the DIY & Tools average. Past it, Co2 Monitor is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Co2 Monitor market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Co2 Monitor 107K times last year and spent an estimated £86K. The top 5 brands take 66% of clicks. Demand peaks in Oct–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 3.7% of those searches ended in a purchase.

Shoppers searched for this 107K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 3.7% of those searches ended in a purchase. Searches in the last 90 days moved -31.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £86K a year.

Searches, last 12 months
107K
Growth, 90 days vs prior 90
-31.3%
Conversion, latest week
3.7%
Market size, estimated
£86Ka year
Peak month
November3.1× the quietest month
Top search term
co2 monitor48K searches a year

02 · Price

A sale here is worth £21.55.

Listings sell for £21.55 on average, from £7.58 to £55.63. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £21.55 that is £5K to £11K a year per listing.

Average price
£21.55inside the $15 to $100 sweet spot
Price range
£7.58–£55.63
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
£5K–£11K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 12.4% of listings are out of stock. The average listing ranks #15 within Safety & Security. It carries 2,944 reviews at 4.14 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
95%
Out of stock, average day
12.4%
Average rank
#15in Safety & Security
Average rating
4.14 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,944per listing
Listings tracked
19

04 · Newcomers

2 of last year's 8 launches cleared the first-year sales bar.

8 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
8
Successful launches
2Amazon's first-year sales bar
Average brand age
29 months

Products

Top Co2 Monitor products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 62% of clicks. Leaders hold, but buyers still shop past them.

£0£9K£17K£26K£35K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

32

Est. top-5 brand share

66%

Top 20: 100%

Est. top-5 click share

62%

Top 20: 100%

Open market

26%

  • SwitchBot23%
  • Fireangel14%
  • HISUEKIG12%
  • focombance9%
  • Kidde8%
  • Temtop8%

Demand

Co2 Monitor search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K3KSpike '24Black Friday '24Prime Day '25Spike '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 3.1×

Search terms

Top Co2 Monitor search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • co2 monitor48K/yr
  • carbon dioxide detector24K/yr
  • carbon dioxide monitor13K/yr
  • co2 meter6K/yr
  • co2 sensor4K/yr
  • co2 detectors3K/yr
  • c02 monitor4K/yr
  • co2 monitor for home4K/yr
  • carbon dioxide2K/yr

Reviews and returns

What reviews say buyers love and hate about Co2 Monitor

We read the reviews and the return reasons for every product selling here.

18%of positive reviews mention “Quality-Overall”
11%of negative reviews mention “Battery Life”
0.6%of orders come back
“then constantly said low battery even when the batteries were changed to new ones”
A buyer, on “Battery Life”11% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common Co2 Monitor questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data