In this Airthings Corentium Home 223 versus Safety Siren Pro Series 3 comparison, we will take a detailed look at these two best-selling home radon testers. Our aim here is to provide you with all of the essential information that you need to make the right purchase decision.
It is a very wise decision to choose an active radon gas tester for your home. Radon levels can change at any time, and short-term testers are of no use when this happens. By continuously monitoring the amount of radon in your home, you can take the appropriate action if you find that the levels suddenly become dangerously high.
Table of Contents
Airthings Corentium Home 223 Review
The Airthings Corentium Home 233 portable radon detector is one of the finest active testers available. It is completely portable and operates using 3 AAA batteries. This radon tester has a European design, and the company tested the device rigorously in Japan at one of the world’s leading test laboratories.
This is a high-quality active radon gas tester designed in Norway. Airthings has CERN scientists in the house who designed this radon tester from scratch. They wanted to create an accurate tester that was very easy to use and portable. They achieved all of these things with the Corentium Home 223 product.
Being portable, you can use it anywhere in your home. There are no elaborate installation or setup requirements. Just place the device in the best location in your home, switch it on, and it will start testing. If you want to perform a short-term test, you can do that. But this tester is best for long-term testing.
The LCD display will show you both the long-term and short-term averages, which is very important. For the short-term average, you can see the number of days used to make the calculation. This device is very lightweight and so easy to use. You can start testing the radon levels in your home straight out of the box.
This model uses advanced technology to bring you the most accurate results. Dust, electromagnetic interference, and humidity affect some active radon detectors, but none of these things will affect the Corentium Home 223. Although this is a radon tester for home use, it has the same technology found in commercial testers.
There is no requirement to calibrate this home radon tester. It is fully automatic and just needs proper placement and turning on. Usually, the highest radon levels will occur at the lowest point in your home. But this is not always the case. With the portability of this device, you can test the levels of several different rooms easily.
How to use the Airthings Corenium Home 223?
Looking for the best radon detector for home use? The Airthings Corentium Home 223 is a top-rated device specially designed for the U.S. market, providing accurate radon level readings in pCi/L. One of the major highlights is its long-lasting battery life—you can run this unit continuously for up to 2 years without replacing the batteries.
Once you power on the Corentium Home 223, it automatically performs a comprehensive self-check and daily self-calibration to ensure precision. During this brief startup period, the buttons and controls are temporarily disabled to prevent any interference. This automatic calibration is crucial for producing reliable and accurate radon readings, which is vital when it comes to protecting your family’s health from harmful radon gas exposure.
The LCD screen displays 1-day and 7-day radon averages, and you can also view historical data going back up to 12 months. The longer you use it, the more accurate the readings become. According to Airthings, after 7 days of operation, the results are accurate within 10%, and after 60 days, within 5%, making it one of the most precise radon detectors on the market.
You can also connect the Corentium Home 223 to your computer, smartphone, or tablet via the built-in USB port to download and analyze the data. Furthermore, Airthings offers an online radon report generator through their official website, where you can input your readings and receive a printable report via email—perfect for documentation or sharing with health professionals.
What Are Customers Saying About the Airthings Corentium Home 223?
With thousands of satisfied users globally, the Airthings Corentium Home 223 has become one of the top-rated radon gas detectors on the market. On Amazon alone, it holds an impressive 4.5 out of 5-star rating, backed by over 900 reviews. A remarkable 80% of customers gave it a perfect 5-star rating, and another 9% rated it 4 stars.
Real Customer Feedback Summarized:
Highly Accurate Readings: Several users compared its results with charcoal radon test kits, known for their accuracy, and found nearly identical readings.
Peace of Mind at Home: Many homeowners praised the device for its ability to monitor fluctuating radon levels, saying they felt much safer with constant radon level tracking.
Delivers What It Promises: Customers repeatedly mentioned that the Corentium Home 223 performs exactly as advertised, making it an ideal choice for consistent radon monitoring.
Minor Negative Reviews: A small number of users reported units that were non-functional out of the box, but these were typically replaced without issues.
Pros of the Airthings Corentium Home 223:
✅ Highly accurate radon measurements
✅ Portable and lightweight
✅ Easy to set up and use
✅ Long-lasting battery (up to 2 years)
✅ User-friendly digital display
Cons of the Airthings Corentium Home 223:
❌ Slightly higher price point compared to basic models
❌ Only measures radon, not other air quality metrics like humidity or CO₂
The Safety Siren Pro Series 3 Review
Another strong contender in the best home radon detector category is the Safety Siren Pro Series 3. Proudly made in the USA and EPA-evaluated, this device is known for its high accuracy and real-time alerts when radon gas levels exceed safe thresholds.
It features a digital display that shows both short-term and long-term radon gas readings, making it an excellent option for anyone serious about home air quality and safety.
The Safety Siren Pro Series 3 is not a portable device. You have to plug it into a mains power outlet to use it. It is all set up for use in the United States market with all measurements in pCi/L. There is a threshold audible alarm that triggers if the radon gas level exceeds 4 pCi/L.
How to use the Safety Siren Pro Series 3?
Your product will arrive in a packing box with a user manual inside. Choose a location where you want to test for radon gas and then plug the tester into a standard mains outlet. On first use, you need to wait for the audible alarm to beep four times.
After the four-alarm beeps, the Safety Siren Pro Series 3 starts to measure the radon levels in the area where it is located. You cannot see an exact reading immediately and have to wait 48 hours for this. The first reading from the device will be a short-term result.
Although it is not a truly portable radon detector, you can test other areas of your home by simply unplugging it, moving it to the next location, and then resetting the tester so it starts measuring radon from scratch.
The Safety Siren Pro Series 3 is not very large, but it is the kind of size where it could get easily knocked or moved around, which could affect the accuracy of the readings. You can hang this radon detector on the wall to keep it out of harm’s way.
It will take at least a month of continuous testing to get your first long-term average radon level result. This is the default reading on the digital display. If you want to see the short-term reading, then you will need to press a button for this.
Like other good active radon detectors, the Safety Siren Pro Series 3 will perform a self-test every 24 hours. This model updates the results it measures every hour, and it is able to store the data for as long as five years.
It is pretty easy to use this radon gas detector, and other than locating it in a safe place, plugging it into a mains outlet, and switching it on, there is not much to the setup either. We found the results to be very accurate for both short and long-term measurements.
You have the option to turn off the audible alarm if you want, but we recommend that you keep this turned on. The only issue with the alarm is that it will sound every hour that the radon levels are above the threshold.
What do the customers think about the Safety Siren Pro Series 3?
Family Safety Products, a trusted name based in Michigan, has successfully sold thousands of units of the Safety Siren Pro Series 3 radon gas detector not only across the United States but also worldwide. The product has gained strong traction on Amazon, with over 1,100 customer reviews.
With an impressive average rating of 4 out of 5 stars, this radon gas monitor has been well-received by homeowners. Notably, 64% of reviewers gave it a perfect 5-star rating, while another 18% rated it 4 stars, praising its accuracy, user-friendliness, and quick installation.
What Users Love About the Safety Siren Pro Series 3 Radon Gas Detector
Here’s a summary of common customer feedback that highlights why this device is considered one of the best radon detectors for home use:
✅ Peace of Mind with Continuous Monitoring
Many users shared that the Safety Siren Pro Series 3 provided peace of mind by continuously monitoring radon levels in their homes. The real-time readings and automatic detection helped them stay informed and feel safe.
✅ Ideal for DIY Radon Testing
Homeowners appreciated how easy it is to set up and use, making it perfect for those wanting a DIY radon testing solution. The device does not require any professional installation, which adds to its convenience.
✅ Accurate Radon Level Readings
Customers frequently praised the accuracy of this radon monitor, with several noting that its readings closely matched those from professional tests. This reliability makes it one of the top-rated radon detectors on the market.
✅ Great Value for the Features
Many reviewers emphasized that the Safety Siren Pro Series 3 offers excellent value for money. Considering its performance and features, most felt it was a smart investment for keeping their indoor air quality safe.
Some Things to Keep in Mind
While the vast majority of users had a positive experience, a small number mentioned that the unit did not function properly out of the box. However, these issues were typically resolved with a quick replacement.
Key Pros – Why It’s One of the Best Home Radon Detectors
✅ Highly accurate readings
✅ EPA-approved radon detector
✅ Very easy to install
✅ Simple, user-friendly interface
✅ Stores up to 5 years of data
✅ Built-in audible alarm for high radon levels
Cons to Consider
❌ Slightly higher price point compared to some models
❌ Initial readings may take some time to stabilize
❌ Not portable; needs to be plugged into a wall outlet
Airthings Corentium Home 223 VS Safety Siren Pro Series 3 Comparison
| Features | Airthings Corentium Home 233 | Safety Siren Pro Series 3 |
| Type of Display | LCD | Digital |
| Power | 3 AAA Batteries | Mains outlet |
| Short Term Average | 1 to 7-day average | 7-day average |
| Long Term Average | 3 months to 12 months average | 12 months to 5 years average |
| Operational Environment | 4°C to 40°C | 0°C to 40°C |
| Audible Alarm | No | Yes |
| Additional Sensors | No | No |
| Extra Memory Storage | No | No |
There is not that much difference in the price of these two active radon detectors. You can check the price of the Airthings Corentium Home 223 here and the Safety Siren Pro Series 3 here.
Both of these models provide accurate results, and the jury is out on which is the most accurate. If you want to test a number of different areas of your home, then we would recommend the Airthings Corentium Home 223 as it is a lot more portable than the Safety Siren Pro Series 3.
The Safety Siren Pro Series 3 is EPA approved, which is good, but this doesn’t mean that it is any more effective than the Airthings Corentium Home 223. The Airthings Corentium Home 223 does have a higher overall customer rating than the Safety Siren Pro Series 3, and it is slightly easier to set up.
The bottom line here is that you will not go wrong with either of these high-quality radon gas detectors. They will both provide you with the peace of mind that you are constantly checking the radon levels in your home to protect yourself and your family from harmful exposure.