10 Best radon detectors of 2025

Save up to 38% off

Best Choice

1

Ecosense Inc.
Ecosense RD200 RadonEye, Home Digital Radon Detector: Fast and Accurate Detection of Fluctuating Radon Levels, Short and Long Term Continuous Monitoring with Trend Charts
Main highlights

Fast Accurate Monitoring
Provides quick and precise radon level readings, ideal for immediate detection and ongoing monitoring.

Long Term Monitoring
Perfect for continuous radon tracking over extended periods, useful for homeowners and realtors.

Bluetooth Connectivity
Highly praised for its Bluetooth feature, allowing seamless data transmission and storage.
Key specs
- Is Discontinued by Manufacturer:No
- Date First Available:July 22, 2016
- Manufacturer:Radon FTLab
- Item Model Number:RD200
- ASIN:B01IH7SGCQ
9.7

Exceptional

Our Rating

9.7
clearly written

9.5
Simple to use

9.1
Precision
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Airthings
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

15% Off
Main highlights

Battery Operated Convenience
The first digital radon detector that operates on batteries, offering flexibility without needing an outlet.

Ideal for Home Monitoring
Perfect for continuous radon monitoring in homes, detecting daily fluctuations.

Accurate and Reliable
Praised for its accuracy and reliability, comparable to professional tests.
9.6

Exceptional

Our Rating
3

Airthings
Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
Main highlights

Quick Results and Accuracy
Receive first radon measurement in 24 hours, accurate after 7 days.

Ideal for Home Monitoring
Perfect for long-term radon monitoring in homes, especially basements.

Praised Feature: Ease of Use
Customers appreciate its easy setup, reset, and understandable display.
Key specs
- Dimensions:12 x 7.5 x 2 inches
- Power:3 AAA batteries
- Sensor:Radon detector
- Battery Life:Approximately 2 years
- Alarm:N/A
9.4

Excellent

Our Rating
4

Airthings
Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

38% Off
Main highlights

Continuous Monitoring and No Lab Fees
Provides long-term radon monitoring with direct smartphone results, eliminating lab fees.

Ideal for Year-Round Home Use
Perfect for continuous radon detection and monitoring in any home environment.

Highly Praised Smartphone Integration
Users appreciate the seamless smartphone app interface for detailed radon tracking.
Key specs
- Dimensions:4.7 x 4.7 x 1.4 inches
- Power:Battery-powered
- Sensor:Radon, humidity, temperature
- Battery Life:N/A
- Alarm:Color-coded visual indication
9.2

Excellent

Our Rating

9.9
movability

9.7
Easy installation

9.5
Simple to use
5

WGRLIT

Digital Radon Detector - User-Friendly Desktop Device with HD LCD Display, 2-3 Years of Battery Life on 6-Hour Charge, 10-Year Sensor Lifespan, Perfect for Accurate Home and Office pCi/L Reading

20% Off
8.9

Very Good

Our Rating
See Today’s Deals & Prices
6

First Alert
First Alert Radon Gas Test Kit, RD1
Main highlights

Simple and Safe Testing
The First Alert Radon Gas Test Kit offers an easy and safe way to test for radon levels, with quick results and clear instructions.

Ideal for U.S. Homes
Recommended for use within the United States, ensuring accurate results in local conditions.

User-Friendly Design
Customers praise the kit's straightforward setup and easy-to-follow instructions, making it accessible for all users.
Key specs
- Dimensions:8.38 x 6.5 x 8.38 inches
- Power:Gas Powered
- Sensor:Radon Gas Test Kit
- Battery Life:N/A
- Alarm:N/A
8.8

Very Good

Our Rating

8.7
Simple to use

8.4
Instruction

8.0
Precision
7

Orsong
Radon Detector for Home, Allows Short and Long Term Monitoring of Radon Levels in The Air, Dual use for Hanging and Tabletop Placement, US Version-Pci/L,Radon Detector,Home Radon (White)
Main highlights

Comprehensive Monitoring
Allows both short and long-term radon level monitoring, offering reliable protection against radon exposure.

Versatile Placement
Ideal for home, office, school, or basement; portable and easy to move.

Customer Satisfaction
Praised for working as advertised, providing accurate radon level readings.
Key specs
- Dimensions:5.9D x 3.3W x 1.3H
- Power:Battery Powered
- Sensor:Radon Detector
- Battery Life:More than 1 year
- Alarm:no
8.5

Good

Our Rating
8

LifeBasis
Life Basis Home Radon Detector, Portable Radon Tester for Home with Long and Short Term Radon Monitoring 0-500 pCi/L Range Battery Operated (Including Battery)

20% Off
Main highlights

Key Feature and Benefit
Battery-operated radon detector for continuous air quality monitoring.

Ideal Use Scenario
Perfect for home use to ensure safe radon levels.

Praised Feature
Accurate and easy-to-read display for radon levels.
Key specs
- Temperature:50 Degrees Celsius
- Humidity:95 percent
- TVOC:N/A
- HCHO:N/A
- CO2 Levels:N/A
8.3

Good

Our Rating

9.3
clearly written

8.7
Simple to use

8.0
Precision
9

CHNADKS

Upgraded Portable Radon Detector, Audible & Visual Alarm, LCD Color Display, Long-Term Radon Concentration Monitoring for Home Basement, pCi/L or Bq/m³
8.0

Good

Our Rating
10

AEGTEST

AEGTEST HOUND-1085 Radon Detector, TFT LCD, Rechargeable, Compact Design, Long-Term Monitoring for Home & Basement, Easy to Use, Audible & Visual Alarms, pCi/L or Bq/m³ – Blue
7.9

Good

Our Rating

10 Best radon detectors of 2025

1

Ecosense RD200 RadonEye, Home Digital Radon Detector: Fast and Accurate Detection of Fluctuating Radon Levels, Short and Long Term Continuous Monitoring with Trend Charts

9.7

9.5

9.1

How do we rank?

How do we rank?

Analyzing top stores

2

Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

3

Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

4

Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

9.9

9.7

9.5

5

Digital Radon Detector - User-Friendly Desktop Device with HD LCD Display, 2-3 Years of Battery Life on 6-Hour Charge, 10-Year Sensor Lifespan, Perfect for Accurate Home and Office pCi/L Reading

6

First Alert Radon Gas Test Kit, RD1

8.7

8.4

8.0

7

Radon Detector for Home, Allows Short and Long Term Monitoring of Radon Levels in The Air, Dual use for Hanging and Tabletop Placement, US Version-Pci/L,Radon Detector,Home Radon (White)

8

Life Basis Home Radon Detector, Portable Radon Tester for Home with Long and Short Term Radon Monitoring 0-500 pCi/L Range Battery Operated (Including Battery)

9.3

8.7

8.0

9

Upgraded Portable Radon Detector, Audible & Visual Alarm, LCD Color Display, Long-Term Radon Concentration Monitoring for Home Basement, pCi/L or Bq/m³

10

AEGTEST HOUND-1085 Radon Detector, TFT LCD, Rechargeable, Compact Design, Long-Term Monitoring for Home & Basement, Easy to Use, Audible & Visual Alarms, pCi/L or Bq/m³ – Blue

Sign up and get exclusive special deals