







Product description
EcoQube Flex – Battery-Powered Continuous Radon Monitor for Home 
Get fast, accurate, real-time radon readings with a truly portable, battery-powered monitor. Track short-term spikes and long-term trends with ease, so you can understand your air and take action when it matters most.
What Is Radon? 
Leading Cause
Radon exposure is the leading cause of lung cancer among non-smokers, contributing to about 21,000 deaths annually in the U.S.

Silent & Invisible
A colorless, odorless, and tasteless gas that cannot be detected by human senses, except with a radon monitor.

Serious Health Impact
Long-term exposure to 4 pCi/L may carry a risk comparable to smoking about 8 cigarettes per day.

Always Changing
Radon levels rise and fall throughout the day, across seasons, and from room to room, making continuous monitoring essential.

Experience True Flexibility with EcoQube Flex
Introducing EcoQube Flex – the next generation of continuous radon monitoring
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. EcoQube Flex – Know Every Room Is Safe From Radon
How accurate is EcoQube Flex?
EcoQube Flex uses Ecosense’s patented ion chamber technology, delivering lab-level accuracy. It’s exceeds industry standard requirements by 15X, offering high sensitivity even as a fully battery-powered device.
How fast will I see my first results?
You’ll see your first radon reading in about 10 minutes and reliable results within an hour. There’s no need to wait days or mail test kits to a lab; EcoQube Flex gives you fast, accurate insight right at home.
Does EcoQube Flex require Wi-Fi or constant connectivity?
No. EcoQube Flex works offline as a standalone device without the need for Wi-Fi. To access radon insights, saved data, and cloud storage, connect it to the Ecosense App via Bluetooth Low Energy (BLE).
What does the EcoQube Flex display show?
The always-on display shows your current radon level or the average for the timeframe you select (e.g., 24-hour, 72-hour, weekly). It also highlights historic radon highs and lows, so you can quickly spot trends or sudden changes.
Can I track radon levels in multiple rooms?
Yes. The room-by-room tracking feature lets you save and compare readings for each room in the mobile app. It’s ideal for understanding how radon levels vary throughout your home.
What’s the Right Home Radon Monitor for You?
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Customer Reviews
4.5 out of 5 stars 61
4.2 out of 5 stars 1,193
4.5 out of 5 stars 2,096
4.4 out of 5 stars 733
Price
$189.00$189.00
$149.00$149.00
$169.00$169.00
$117.00$117.00
Mobile App
✔
✔
✔
✘
Display
✔
✘
✔
✔
Radon Report
✘
✔
✘
✘
Remote Access
✘
✔
✘
✘
Power
Battery
Plug-In
Plug-In
Plug-In
Connectivity
Bluetooth
Wi-Fi
Bluetooth
Not Connected
First Readiing
10 minutes
10 minutes
10 minutes
10 minutes
Radon Sensitivity
30 cph per 1 pCi/L
30 cph per 1 pCi/L
30 cph per 1 pCi/L
18 cph per 1 pCi/L
Short-term Monitoring
Hourly, Daily, Weekly, Monthly
Hourly, Daily, Weekly, Monthly
Hourly, Daily, Weekly, Monthly
Hourly, Daily, Weekly, Monthly
Long-Term Monitoring
1 Year
1 Year
1 Year
1 Year
FAST, ACCURATE & RELIABLE DETECTION: Powered by Ecosense’s patented ion chamber technology, the EcoQube Flex delivers professional-grade radon counting sensitivity (30 cph/pCi/l). Unlike charcoal test kits that take weeks, this smart radon detector provides an initial reading in minutes and highly accurate levels within hours, giving you immediate insight into your air quality.
TOTALLY WIRELESS & PORTABLE DESIGN: The battery-powered, cord-free design lets you place the radon monitor anywhere-crawl spaces, basements, bedrooms, or walk-in closets-without searching for an outlet. Easily move the device from room to room to map radon levels throughout your home and identify potential hotspots.
ALWAYS-ON DISPLAY: Check your safety levels at a glance on the high-contrast screen without needing to open your phone. The display shows real-time radon levels, averages, and historic highs and lows while using minimal battery power, and it avoids bright, distracting LED lights at night
BLUETOOTH APP FOR DETAILED INSIGHT: Connect effortlessly to the free Ecosense app (iOS & Android) via Bluetooth to sync and store historical radon data. View long-term trends with interactive charts, compare radon levels room by room, and see how ventilation or weather changes affect your radon exposure over time.
CONTINUOUS 24/7 LONG-TERM MONITORING: Radon levels change with weather, ventilation, and seasons, so a one-time radon test can miss dangerous spikes. EcoQube Flex continuously monitors your home and alerts you to changes that helps protect your family’s long-term lung health.
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