Radon Test Kit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Radon Test Kit sales on Amazon US totaled 15,500 units in July 2026 (▼ 12.5% vs. the prior month), generating an estimated $1,247,086 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 72.9% of unit volume and 78.3% of revenue, while a typical listing is priced at $73.34. The keyword itself pulled 25,323 Amazon queries over the same period (▲ 3.4% MoM).
Zooming out to the 12-month window ending July 2026, the radon test kit Top 50 moved 179,700 units and $15,783,607 in cumulative sales — an average of 14,975 units and $1,315,301 per month. Monthly throughput topped out at 20,400 units in January 2026 and dipped to 9,700 in May 2026, leaving the latest reading 27.0% higher than August 2025.
Radon Test Kit 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
15.5K
▼ 12.5% MoM
Monthly Revenue 2026/07
$1.2M
▼ 14.0% MoM
Top 10 Market Share 2026/07
72.9%
Radon Test Kit Market Share & Sales Concentration on Amazon US — July 2026
The most-sold radon test kit listing on Amazon US in July 2026 is ASIN B00002N83E (Brand: First Alert), which sold 3,000 units at $17.95 apiece — equal to 19.4% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 11,300 units and $977,077 in July 2026 — 72.9% of unit volume and 78.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Radon Test Kit' on Amazon
July 2026
Is 72.9% 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
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
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
B097YW5Q72
Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)
1K
▲ 0.0%vs. prior month
$330K
latest month
12-month trend
B0CFX53CL2
MobileDetect Pouch Residue Detection Multi-Drug Test Kit - Rapid Surface Residue Detector
1K
▲ 0.0%vs. prior month
$13K
latest month
12-month trend
B0F84C4ZZM
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
1K
▲ 0.0%vs. prior month
$173.4K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Radon Test Kit Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Airthings is the best-performing radon test kit brand in July 2026, moving 3,500 units across 4 ASINs for 31.0% of Top 10 volume. First Alert follows with 3,000 units (26.5%), ahead of AEGTEST on 2,800 units (24.8%).
With 5 brands splitting the Top 10 and 82.3% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $17.95 to $167.51, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Airthings
4 ASINs in Top 10
31.0%
Units
3.5K
Revenue
$686.1K
Avg. price
$167.51
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 sold1KB07WWV7K3K
$103.75·★4.4·2.5K revsAirthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App
Units sold500
First Alert
1 ASIN in Top 10
26.5%
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
AEGTEST
2 ASINs in Top 10
24.8%
Units
2.8K
Revenue
$164.2K
Avg. price
$59.99
B0FR4L9GZG
$59.99·★4.5·581 revsHOUND-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
Units sold2KB0G24BL372
$59.99·★4.5·581 revsHOUND-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
Units sold800
Trending Radon Test Kit 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. Specifically, 2 ASINs forced its way in: B0FVV9Z5QD booked 500 units at $53.99, with ▲ 0.0% MoM change. On the growth side, B0G1CXLCPK leads positive momentum with ▲ 33.3% MoM growth on 400 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.
B0FVV9Z5QD
X-Sense Radon Detector for Home, Audible & Visual Alerts, XR0B-SR | Up to 90% Accuracy in 7 Days, 999-Day Radon Tracking, One-Touch Reset, Multi-Room Use, Temperature & Humidity Range Display
Price
$53.99
Rating
4.2
Reviews
492
Latest month sales
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
B0G1CXLCPK
Indoor Air Quality Test Kit by Detekt (USA) for Mold/Bacteria - Home/HVAC | Test Air Filter Cleanliness, Results in 72 Hrs, Advanced Air Test, Free Species Identification, 6 Mold Tests/6 Bacteria Tests
Unlock to view ASIN details and product titles
Price
$37.99
Rating
4.5
Reviews
54
Latest month sales
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