10 Best accurate radon detectors of 2025

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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
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Value for Money

2

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

11% 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 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

68% 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
9.4

Excellent

Our Rating

9.9
movability

9.7
Easy installation

9.5
Simple to use
4

Topfurn
Radon Detector for Home,Accurate Radon Gas Measurement with ±0.1 pCi/L Precision,Real-time Monitoring of Indoor Radon Concentration,Portable Digital Display,Easy Operation,Various Indoor environments
Main highlights

Accurate Detection with Built-in Chip
Our radon meter features a precise detection chip for accurate air quality monitoring, safeguarding your health from radon exposure.

Ideal for Basements and Garages
Perfect for use in areas like basements or garages, ensuring effective radon level monitoring where it's most needed.

User-Friendly Display
Customers praise the large, easy-to-read display, making it simple to monitor radon levels at a glance.
Key specs
- Dimensions:6D x 1W x 4H
- Power:2 x 3A batteries
- Sensor:Radon detection chip
- Battery Life:1 year
- Alarm:NO
9.3

Excellent

Our Rating
5

CHNADKS

Upgrated Portable Radon Detector, Audible & Visual Alarm, LCD Color Display, Long-Term Radon Concentration Monitoring for Home Basement, pCi/L or Bq/m³
9.1

Excellent

Our Rating
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6

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
8.8

Very Good

Our Rating
7

AEGTEST

AEGTEST HOUND-3699 Radon Detector, 10-Minute Measurement Updates, Audible & Visual Alarm, Touchscreen Color Display, Long-Term Radon Concentration Monitoring for Home, pCi/L - Black

20% Off
8.7

Very Good

Our Rating
8

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
8.4

Good

Our Rating
9

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

15% Off
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
8.2

Good

Our Rating
10

Drizzlen

Radon Detector, Real-time Monitoring of Indoor Radon Concentration,Portable Digital Display,Easy Operation,US Version-Pci/L,Portable Radon Meter,Accurate Radon Monitor
8.1

Good

Our Rating

10 Best accurate 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 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

4

Radon Detector for Home,Accurate Radon Gas Measurement with ±0.1 pCi/L Precision,Real-time Monitoring of Indoor Radon Concentration,Portable Digital Display,Easy Operation,Various Indoor environments

5

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

6

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

7

AEGTEST HOUND-3699 Radon Detector, 10-Minute Measurement Updates, Audible & Visual Alarm, Touchscreen Color Display, Long-Term Radon Concentration Monitoring for Home, pCi/L - Black

8

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)

9

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

10

Radon Detector, Real-time Monitoring of Indoor Radon Concentration,Portable Digital Display,Easy Operation,US Version-Pci/L,Portable Radon Meter,Accurate Radon Monitor

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