Radon Detector Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Radon Detector sales on Amazon US totaled 23,400 units in July 2026 (▼ 18.6% vs. the prior month), generating an estimated $1,899,970 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 71.8% of unit volume and 72.6% of revenue, while a typical listing is priced at $91.57. The keyword itself pulled 29,664 Amazon queries over the same period (▲ 1.5% MoM).
Zooming out to the 12-month window ending July 2026, the radon detector Top 50 moved 245,500 units and $22,771,276 in cumulative sales — an average of 20,458 units and $1,897,606 per month. Monthly throughput topped out at 28,700 units in June 2026 and dipped to 12,250 in May 2026, leaving the latest reading 31.5% higher than August 2025.
Radon Detector Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
23.4K
▼ 18.6% MoM
Monthly Revenue 2026/07
$1.9M
▼ 19.9% MoM
Top 10 Market Share 2026/07
71.8%
Radon Detector Market Share & Sales Concentration on Amazon US — July 2026
The most-sold radon detector listing on Amazon US in July 2026 is ASIN B0G1C86M5S (Brand: Kidde), which sold 4,000 units at $43.97 apiece — equal to 17.1% of every unit tracked in this report and 33% ahead of the No. 2 listing.
The Top 10 ASINs account for 16,800 units and $1,379,922 in July 2026 — 71.8% of unit volume and 72.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Radon Detector' on Amazon
July 2026
Is 71.8% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0G1C86M5S
Kidde Carbon Monoxide Detector, Plug-in & AA Battery Backup, COPD | No Low Battery Chirps, Rotating Plug with Power Surge Immunity, LED Status Lights, Ideal for Homes & Apartments, 5th Edition
4K
▼ 20.0%vs. prior month
$175.9K
latest month
12-month trend
B00002N83E
First Alert Radon Gas Test Kit, RD1
3K
▲ 0.0%vs. prior month
$53.9K
latest month
12-month trend
B0FR4L9GZG
HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement
2K
▲ 0.0%vs. prior month
$117.3K
latest month
12-month trend
B08W8KS8D3
Amazon Smart Air Quality Monitor – Know your air, Works with Alexa
2K
▼ 33.3%vs. prior month
$140K
latest month
12-month trend
B00H2VOSP8
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
1K
▼ 50.0%vs. prior month
$125.5K
latest month
12-month trend
B086B88TGR
COBRA RAD 480i Laser Radar Detector, Long Range Detection, Bluetooth, Black | Apple CarPlay and Android Auto Compatible, LaserEye Front and Rear Detection, Digital Signal Processing
1K
▼ 50.0%vs. prior month
$135.5K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Radon Detector Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Kidde is the best-performing radon detector brand in July 2026, moving 4,000 units across 1 ASIN for 23.8% of Top 10 volume. First Alert follows with 3,000 units (17.9%), ahead of Airthings on 3,000 units (17.9%).
Volume is spread across 7 brands, with the top three holding 59.5% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $17.95 to $188.77, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Kidde
1 ASIN in Top 10
23.8%
Units
4K
Revenue
$175.9K
Avg. price
$43.97
B0G1C86M5S
$43.97·★4.5·86 revsKidde Carbon Monoxide Detector, Plug-in & AA Battery Backup, COPD | No Low Battery Chirps, Rotating Plug with Power Surge Immunity, LED Status Lights, Ideal for Homes & Apartments, 5th Edition
Units sold4K
First Alert
1 ASIN in Top 10
17.9%
Units
3K
Revenue
$53.9K
Avg. price
$17.95
B00002N83E
$17.95·★4.3·10.3K revsFirst Alert Radon Gas Test Kit, RD1
Units sold3K
Airthings
3 ASINs in Top 10
17.9%
Units
3K
Revenue
$628.9K
Avg. price
$188.77
B00H2VOSP8
$136.32·★4.6·10.8K revsAirthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
Units sold1KB097YW5Q72
$279.99·★4.0·1.9K revsAirthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)
Units sold1KB0F84C4ZZM
$149.99·★4.5·381 revsAirthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
Units sold1K
Trending Radon Detector Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B07WWV7K3K leads positive momentum with ▲ 150.0% MoM growth on 500 units, with B0CBQKND5W close behind at ▲ 100.0% MoM on 100 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B07WWV7K3K
Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App
Price
$103.75
Rating
4.4
Reviews
2.5K
Latest month sales
B0CBQKND5W
Smart Geiger Counter Radiacode-102 with Free Mobile App. Nuclear Radiation Detector
Price
$249.00
Rating
4.5
Reviews
276
Latest month sales
B0CSFYTDWK
Smart Geiger Counter Radiacode-103 with Free Mobile App. Nuclear Radiation Detector
Unlock to view ASIN details and product titles
Price
$319.00
Rating
4.7
Reviews
352
Latest month sales
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