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Smoke Detector Carbon Monoxide Detector Combo

Maybe

Shoppers spend an estimated $18.7M a year here. But the top 5 brands take 100% of clicks, so Smoke Detector Carbon Monoxide Detector Combo is a Maybe.

Flapen Score
55
55 / 100
Top 21% of 9,536 Tools & Home Improvement niches · +7 vs the category median of 48
Market size
$18.7M/yr4.0M searches / yr
90-day growth
-20.3%search demand this quarter
Competition
43%top-5 click share · 4 brands · 79 sellers

Flapen Score

Smoke Detector Carbon Monoxide Detector Combo against its category

The dotted line is the Tools & Home Improvement average. Past it, Smoke Detector Carbon Monoxide Detector Combo is stronger. Inside it, weaker.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Smoke Detector Carbon Monoxide Detector Combo market on Amazon at a glance

Shoppers on Amazon United States searched for Smoke Detector Carbon Monoxide Detector Combo 4.0M times last year and spent an estimated $18.7M. All 4 brands take every click. Demand peaks in Jan. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 6.2% of those searches ended in a purchase.

Shoppers searched for this 4.0M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.2% of those searches ended in a purchase. Searches in the last 90 days moved -20.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $18.7M a year.

Searches, last 12 months
4.0M
Growth, 90 days vs prior 90
-20.3%
Conversion, latest week
6.2%
Market size, estimated
$18.7Ma year
Peak month
January1.9× the quietest month
Top search term
smoke detector carbon monoxide detector combo 10 year battery1.9M searches a year

02 · Price

A sale here is worth $74.66.

Listings sell for $74.66 on average, from $16.54 to $245.32. Amazon reports units sold in ranges. This niche sold 250K to 300K a year. The average listing sells 8,000 to 10,000 of them. At $74.66 that is $597K to $747K a year per listing.

Average price
$74.66inside the $15 to $100 sweet spot
Price range
$16.54–$245.32
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
250K–300K
Units per listing a year
8,000–10,000
Revenue per listing a year
$597K–$747K
Returns
2.7%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.1% of listings are out of stock. The average listing ranks #14 within Fire Safety. It carries 1,411 reviews at 4.41 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
100%
Out of stock, average day
5.1%
Average rank
#14in Fire Safety
Average rating
4.41 starsAmazon United States average 4.42 stars
Average reviews
1,411per listing
Listings tracked
39

04 · Newcomers

6 of last year's 6 launches cleared the first-year sales bar.

6 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.

Launched, last 12 months
6
Successful launches
6Amazon's first-year sales bar
Average brand age
36 months

Products

Top Smoke Detector Carbon Monoxide Detector Combo 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 30, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.

$0$561K$1.1M$1.7M$2.2M1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 rising

Sellers

79

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

43%

Top 20: 85%

Open market

0%

  • First Alert48%
  • X-Sense29%
  • Kidde22%
  • HEIMAN1%

Demand

Smoke Detector Carbon Monoxide Detector Combo search demand

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

125K75KSpike '24Holiday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.9×

Search terms

Top Smoke Detector Carbon Monoxide Detector Combo search terms shoppers use

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

  • smoke detector carbon monoxide detector combo 10 year battery1.9M/yr
  • smoke and carbon monoxide detector788K/yr
  • carbon monoxide smoke detector combo207K/yr
  • fire alarms smoke detectors carbon monoxide145K/yr
  • smoke & carbon monoxide alarms124K/yr
  • smoke alarm and carbon monoxide detector137K/yr
  • fire and carbon monoxide detector98K/yr
  • smoke and carbon monoxide alarm76K/yr
  • co2 and smoke detector combo50K/yr
  • smoke and co2 detector combo77K/yr

Reviews and returns

What reviews say buyers love and hate about Smoke Detector Carbon Monoxide Detector Combo

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

25%of positive reviews mention “Assembly/Installation”
24%of negative reviews mention “Durability”
2.7%of orders come back
“Failed after about 12 months”
A buyer, on “Durability”24% 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.

18 topics

NegativePositive

FAQ

Common Smoke Detector Carbon Monoxide Detector Combo 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