10 Best radon detectors for homes of 2025

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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
9.8

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

17% 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.
9.7

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

35% 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
9.5

Excellent

Our Rating

9.9
movability

9.7
Easy installation

9.5
Simple to use
4

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
9.4

Excellent

Our Rating

8.7
Simple to use

8.4
Instruction

8.0
Precision
5

Toolhome

WiFi Home Radon Detector, Portable Radon Meter with Real-Time Short & Long-Term Monitoring, Plug-in Design, Instant Alerts & App Control
9.2

Excellent

Our Rating
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6

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
9.0

Excellent

Our Rating
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
8.7

Very 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
8.5

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
8.2

Good

Our Rating
10

Funny Kitchen
Funny Kitchen Home Radon Detector, Portable Radon Meter, Elifecity Long and Short Term Home Radon Monitor, Battery-Powered, Easy-to-Use, Ensure Your Home's Safety, White, KT-013
Main highlights

Long Term Monitoring for Safety
Continuous radon monitoring helps prevent lung cancer risk.

Ideal for Home and Office Use
Portable design allows radon detection in various locations.

Praised for Ease of Use
Simple setup and operation, praised for user-friendliness.
Key specs
- Dimensions:2 x 2 x 2 inches
- Power:Battery Powered
- Sensor:Radon gas detector
- Battery Life:N/A
- Alarm:N/A
8.0

Good

Our Rating

10 Best radon detectors for homes 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

First Alert Radon Gas Test Kit, RD1

8.7

8.4

8.0

5

WiFi Home Radon Detector, Portable Radon Meter with Real-Time Short & Long-Term Monitoring, Plug-in Design, Instant Alerts & App Control

6

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

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

Funny Kitchen Home Radon Detector, Portable Radon Meter, Elifecity Long and Short Term Home Radon Monitor, Battery-Powered, Easy-to-Use, Ensure Your Home's Safety, White, KT-013

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