Same question. Very different answer.
Annual Radon Level Comparison
Continuous monitoring vs. short-term testing
What Airoso sees
What a mail-in kit sees
You can't see it. You can't smell it. And most tests only catch it once.
Radon is a radioactive gas that occurs naturally in soil and rock — and it has no smell, no color, and no immediate symptoms. The EPA estimates 1 in 15 US homes has an elevated radon level, and it's been found at high levels in every state, regardless of whether the home is old or new, sealed or drafty, with a basement or without.
The only way to know is to test. The problem is how most people test.
- Real-time Radon Levels
- Ease of Placement
- Long Battery Life
Continuous, accurate monitoring
Easy placement anywhere
Long-lasting battery life
Real-time and report data
Transform Your Home’s Safety Instantly
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First Benefit
Continuous, not one-time
A charcoal test kit gives you a single number from a 2–7 day window. Radon levels shift with the seasons — often highest in winter, when homes are sealed tight. Airoso reads your air every day, all year, so one unlucky test window can't hide a real problem.
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Second Benefit
Answers in seconds, not weeks
Mail-in kits take 2–4 weeks in a lab before you get a result. Airoso shows you a live reading the moment you turn it on — and keeps updating from there.
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Third Benefit
Set it and know
No calibration, no subscription, no mailing anything anywhere. Place it, plug it in, and check the display or app whenever you want peace of mind.
A test tells you about one week. A monitor tells you about your home.
The EPA recommends retesting every two years, or after any major renovation — because radon levels change. They can shift with the seasons, with how tightly your home is sealed, even with the weather. A single charcoal kit captures one narrow window and calls it your answer.
Airoso doesn't take a snapshot. It watches continuously, so you're never relying on whether your test happened to land in a good week.
Airoso vs. the $15 test kit
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Airoso
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Charcoal Test Kit
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Cost over 2 years (per EPA's recommended retest cycle)
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Result speed
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Monitoring window
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Seasonal blind spots
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Retesting
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Setup
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Frequently Asked Questions
Find quick answers to the most common questions about our product.
An elevated reading (4 pCi/L or higher, per EPA guidance) means it's worth having a certified radon mitigation contractor evaluate your home. Airoso tells you when you have a problem — the fix is a separate, well-established process, and we'll point you toward how to find a mitigation professional in your area.
A hardware store kit gives you one reading from a short window, then it's done — you mail it in and wait weeks for a lab result. Airoso reads continuously, so you get an answer in seconds and ongoing monitoring afterward, instead of a single snapshot that can miss how radon levels change through the year.
Fill in with your actual sensor specification and any independent testing/certification you have. Don't publish a vague "trusted by experts" claim with nothing behind it — specificity is what builds trust here, and its absence is noticeable to a skeptical buyer.
No — that's the point. The EPA recommends retesting every two years because radon levels can change. Airoso is always running, so you're covered continuously instead of needing to remember to retest.
Radon collects most in rooms that touch the ground — basements and ground-floor rooms. Placing Airoso there gives you the most representative reading of your home's actual risk.
