10 Best Radon Detector Home Depot of 2026

Last updated on 04/03/2026
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Best Choice
1
9.7
Exceptional
Save 28%
X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR
X-Sense

X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR

28% Off
Why we love it
  • Precise and high-performance readings.
  • Crystal-clear LCD display data.
  • Silent and convenient operation.
Main Highlights
  • Precise and High Performance: This radon detector complies with the standard requirements for performance parameters, and provides precise data within 24 hours; up to 95% accuracy after 7 days of continuous monitoring, improving over time
  • Crystal-Clear Readings (Offline Model): Say goodbye to apps and single data ; this radon detector is equipped with an innovative LCD that shows both short-term (the past 1/7/30/90 days) and long-term cumulative radon averages; it differs from the single test kit, no extra lab fees needed
  • Continuous and Stable Record: Equipped with a data retention feature, this radon detector retains previous data after battery outage and keeps recording after battery replacements; for data accuracy, please restore power within 4 hours
  • Set-and-Forget Convenience: This radon detector is ready out of the box, no setup needed; it is easy to use for the elderly; the battery life lasts up to 24 months under normal usage, thanks to low power consumption technology
  • Silent Monitoring: No flashing lights or beeping; this radon detector works silently in the background, constantly monitoring and displaying accurate radon levels when needed; just one-press on the backlight button , it will light up for viewing, ideal for bedrooms and nurseries
  • One for All: This radon detector is equipped with a reset button for unlimited re-usability—move room to room and reset with a single tap; no extra devices needed
  • Your Private Safety Companion: This 100% offline radon detector ensures privacy; manually input data through a secure portal to generate and download personalized reports for personal records or professional advice
9.7
Exceptional
Save 28%
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.6
Superb
Save 29%
X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR
X-Sense

X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR

29% Off
Why we love it
  • Accurate radon tracking is assured.
  • Compact design enhances placement options.
  • Immediate alerts for safety concerns.
Main Highlights
  • Pay Once, Gain More: You can enjoy up to 999 days of precise, no-lab-fee radon tracking; get trusted results in just 24 hours, with accuracy reaching 95% after 7 days or more for long-term peace of mind and a healthier home
  • Small in Size, Big in Convenience: Designed with a 3.6" × 3.2" × 3.0" size, this radon detector is compact and portable; place it anywhere in your home for radon monitoring; 2-year battery life means no charging, no maintenance, and no worries
  • Smart Safety Alerts: Get sound-and-light warnings the moment radon exceeds the threshold, track air quality in real time, and receive low-power notifications so monitoring never stops
  • One-Touch Reset: Long-press the Reset button at the bottom of the radon detector to clear the data; a single device can be used to monitor different rooms or spaces
  • Big Storage, Easy Retrieval: This radon detector supports up to 99 local storage; save historical data instantly with the Report button; easily review records using the Left/Right buttons
9.6
Superb
Save 29%
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3
9.4
Superb
Save 6%
SAF Aranet Radon Detector for Home: 10-Min Measurement, Temperature, Relative Humidity, Pressure, E-Ink Display, 7-Year Battery, Portable with Free App, Bq/m3 & pCi/L Selectable
Aranet

SAF Aranet Radon Detector for Home: 10-Min Measurement, Temperature, Relative Humidity, Pressure, E-Ink Display, 7-Year Battery, Portable with Free App, Bq/m3 & pCi/L Selectable

6% Off
Why we love it
  • Results in minutes for peace of mind.
  • Battery powered for long-term convenience.
  • Comprehensive monitoring for environmental safety.
Main Highlights
  • RESULTS IN MINUTES: Patented ultra-low-power architecture for maximum efficiency - the only truly portable radon monitor on the market offering continuous radon measurement every 10 minutes, ensuring you stay informed about radon levels in your home's basement at all times.
  • BATTERY POWERED: Digital radon detector with up to 7-year lifetime using 2 AA batteries.
  • COMPREHENSIVE ENVIRONMENTAL MONITORING: This radon gas detector also measures temperature, relative humidity, and atmospheric pressure.
  • EASY TO USE: Portable, with an E-Ink display that provides a color-coded visual indication of radon levels (Green, Yellow, Red). Use it standalone or connect to the app to get detailed results.
  • VERSATILE: Multiple display options for real-time, 24h, 7d, or 30d average readings. Supports dual measurement units for radon (Bq/m³ & pCi/L) and temperature (°C & °F), making it ideal for homes in the USA, Canada, and Europe.
9.4
Superb
Save 6%
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4
9.3
Superb
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
Airthings

Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors

Why we love it
  • Proven accuracy with Bluetooth.
  • Continuous radon monitoring available.
  • Personalized tips for peace of mind.
Main Highlights
  • THE ORIGINAL RADON DETECTOR, UPDATED: The same proven accuracy as the best-selling original Corentium Home, now with Bluetooth connectivity and bonus temp and humidity sensors.
  • LONG TERM MONITORING: Monitor for cancer-causing radon gas continuously to stay informed. No lab fees, no waiting—just always-available, reliable results.
  • "SEE" RADON IN YOUR HOME: The app's graphs show how radon rises and falls. Take actions to reduce levels. Keep monitoring to ensure they stay low.
  • PERSONALIZED TIPS: Get tailored advice to confidently address your home's radon levels. Less doubt, more peace of mind.
  • TRUSTED BY PROS: Get the power of Airthings' patented radon sensing technology used and recommended by thousands of radon professionals and home inspectors.
9.3
Superb
Amazon Logo
5
9.2
Superb
Ecosense RD200 RadonEye, Home Digital Radon Detector: Fast and Accurate Detection of Fluctuating Radon Levels, Short and Long Term Continuous Monitoring with Trend Charts
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

Why we love it
  • Fast and accurate readings.
  • Professional-grade counting efficiency.
  • User-friendly trend visualization.
Main Highlights
  • QUICK RESPONSE : First reading in 10 minutes and fast, accurate capture of constantly fluctuating radon levels
  • PROFESSIONAL GRADE COUNTING EFFICIENCY: 30 count per hour per picocuries per liter radon counting with patented ion chamber radon sensor technology
  • SMART VIEW RADON TREND CHART: Smart view of long term radon trend with hourly basis average data
  • SUPERB PERFORMANCE: Superb performance validated by trusted 3rd parties
  • WHAT YOU GET: RadonEye, User Guide, Power cable, Free App, Customer support via email & 12 months limited warranty
9.2
Superb
Amazon Logo
6
9.1
Superb
Aranet Radon One – Fast Home Radon Detector with 10-Minute Response, E-Ink Display, Battery Powered, Portable Real-Time Radon Monitor for Basements & Indoor Air Monitoring (Green)
Aranet

Aranet Radon One – Fast Home Radon Detector with 10-Minute Response, E-Ink Display, Battery Powered, Portable Real-Time Radon Monitor for Basements & Indoor Air Monitoring (Green)

Why we love it
  • Fast updates in ten minutes.
  • Clear E-Ink display.
  • Portable battery-powered design.
Main Highlights
  • FAST 10-MINUTE RADON READINGS Advanced sensing technology provides radon concentration updates every 10 minutes, helping you observe changes in indoor radon levels faster than traditional long-term detectors.
  • CLEAR E-INK DISPLAY High-contrast, always-on E-Ink screen shows radon readings clearly from any angle with no glare and minimal power consumption.
  • PORTABLE & BATTERY-POWERED (2× AA) Operates on two standard AA batteries with an operating life of up to 7 years, depending on usage conditions. No cables, charging, or setup required.
  • CONTINUOUS RADON LEVEL MONITORING Measures radon concentration in Bq/m³ and pCi/L, allowing consistent monitoring across different regions, including the US and Canada. Color indicators support easy interpretation of readings.
  • COMPACT DESIGN FOR FLEXIBLE PLACEMENT Lightweight and compact form factor suitable for basements, living areas, offices, rental properties, and property inspections.
9.1
Superb
Amazon Logo
7
8.9
Excellent
Aranet Radon One – Fast Home Radon Gas Detector with 10-Minute Response, E-Ink Display, Battery Powered, Portable Real-Time Radon Monitor for Basements & Indoor Air Monitoring (White)
Aranet

Aranet Radon One – Fast Home Radon Gas Detector with 10-Minute Response, E-Ink Display, Battery Powered, Portable Real-Time Radon Monitor for Basements & Indoor Air Monitoring (White)

Why we love it
  • Fast 10-minute radon readings.
  • Clear E-Ink display.
  • Portable battery powered.
Main Highlights
  • FAST 10-MINUTE RADON READINGS Advanced sensing technology provides radon concentration updates every 10 minutes, helping you observe changes in indoor radon levels faster than traditional long-term detectors.
  • CLEAR E-INK DISPLAY High-contrast, always-on E-Ink screen shows radon readings clearly from any angle with no glare and minimal power consumption.
  • PORTABLE & BATTERY-POWERED (2× AA) Operates on two standard AA batteries with an operating life of up to 7 years, depending on usage conditions. No cables, charging, or setup required.
  • CONTINUOUS RADON LEVEL MONITORING Measures radon concentration in Bq/m³ and pCi/L, allowing consistent monitoring across different regions, including the US and Canada. Color indicators support easy interpretation of readings.
  • COMPACT DESIGN FOR FLEXIBLE PLACEMENT Lightweight and compact form factor suitable for basements, living areas, offices, rental properties, and property inspections.
8.9
Excellent
Amazon Logo
8
8.7
Excellent
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
Airthings

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

Why we love it
  • First battery-operated radon detector.
  • Long term cancer monitoring capability.
  • Quick and easy radon reporting.
Main Highlights
  • FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.
  • LONG TERM MONITORING: Monitor for cancer-causing radon gas. Long term monitoring is necessary as radon levels fluctuate daily.
  • BE IN CONTROL: Take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings.
  • RADON REPORT: Generate a radon self-inspection report easily, whenever you need it.
  • FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.
8.7
Excellent
Amazon Logo
9
8.7
Excellent
Save 16%
Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App
Airthings

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

16% Off
Why we love it
  • Protects against lung cancer.
  • Continuous air quality monitoring.
  • User-friendly with app integration.
Main Highlights
  • RADON DETECTOR: Radon is the number one cause of lung cancer among non-smokers and kills more than 6x the number of people than home fires and carbon monoxide poisoning combined
  • CONTINUOUS MONITORING: Radon gas fluctuates daily and is highly dependent on many factors such as weather conditions. Long-term monitoring is crucial to take control, understand long-term exposure and minimize potential health effects
  • EASY TO USE: Simply wave in front of the monitor to get a color-coded visual indication of the air quality (Green, Yellow, Red) or connect to the App to get detailed results
  • NO LAB FEES: Get both long and short term radon results straight to your smartphone via Bluetooth and easily generate a radon report through the Airthings Dashboard
  • FOR EVERY HOME: A battery-powered, smart radon detector which monitors radon gas all year round as well as humidity and temperature
  • CONNECTED: Airthings Wave 2nd Generation has Smartlink functionality, meaning it can connect to the Airthings Hub to bring your data online 24/7
8.7
Excellent
Save 16%
Amazon Logo
10
8.7
Excellent
AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester, Short- & Long-Term in pCi/L or Bq/m³ for Basement – Gray
AEGTEST

AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester, Short- & Long-Term in pCi/L or Bq/m³ for Basement – Gray

Why we love it
  • Portable and compact design.
  • Quick and accurate readings.
  • User-friendly interface and setup.
Main Highlights
  • Portable Radon Detector: AEGTEST HOUND-1011 is a compact, portable radon detector for continuous monitoring. It measures radon levels from 0.09 to 1000 pCi/L, supports switching between pCi/L and Bq/m³ units, ensuring reliable protection against harmful radon gas
  • Quick & Accurate Results:Equipped with a high-precision semiconductor sensor, the radon tester delivers fast, accurate readings. First results appear within 6 hours, with hourly updates for real-time accuracy. Data is reliable and testing can be restarted anytime
  • Short-Term & Long-Term Monitoring: Multiple timeframes of radon concentration can be viewed — from the past 6 hours to 504 days — providing long-term, stable monitoring suitable for all environments. It helps safeguard against the health risks of prolonged radon exposure
  • User Friendly: Supports long-term home use with a Type-C cable for continuous monitoring. The built-in battery lasts up to 45 days in sleep mode, ideal for travel—ensuring constant safety and peace of mind; The alarm can be muted in the Eco menu to avoid disturbing your rest
  • Easy to Use: The LCD screen displays data for the past 6H/24H/48H/72H/96H. Ready to use at startup with no learning curve. Comes with a stand and supports various environment monitoring. Includes 1× HOUND-1011, 1× Charging Cable, 1× Lanyard, 1× Manual
8.7
Excellent
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Related Deals You Might Like for Radon Detector Home Depot

📊We scanned 1974 products
🔍
We reviewed the most relevant Radon Detector Home Depot offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like X-Sense, Aranet, Airthings, Ecosense Inc., AEGTEST, known for dependable quality and smart design.
⭐
To determine today's best Radon Detector Home Depot, we analyzed 9871 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR

Our overall winner is X-Sense Radon Detector for Home, Easy to Use, Zero Lab Fees, No Installation Required, Continuous Monitoring with Clear LCD Screen, XR0A-SR by X-Sense. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Precise and high-performance readings.
✓Crystal-clear LCD display data.
✓Silent and convenient operation.
💎 Best Value
X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR

The best value for most shoppers is X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR by X-Sense, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR

The strongest deal right now for Radon Detector Home Depot is X-Sense Radon Detector, Audible & Visual Alerts, One-Touch Reset, Stores Up to 99 Local Reports, with Temperature & Humidity Range Display, Long-Term Accurate Monitoring Up to 999 Days, Model XR0B-SR at X-Sense, currently at 29% off.

🔄Our Radon Detector Home Depot ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.