While “free” radon test kits may sound appealing, they often come with serious drawbacks — especially if you’re buying, selling, or concerned about your family’s long-term safety.

🚫 Inaccurate & Unreliable Results

Most free or low-cost kits use basic charcoal canisters, which are prone to:

• Inaccurate readings due to poor quality materials

• Improper handling during shipping

• User error or non-compliance with EPA testing protocols

  These factors can lead to false readings and a false sense of security.

🕒 Delayed Results

Unlike professional tests, which provide results within 48 hours, mail-in kits can take weeks to process — a major issue during time-sensitive real estate transactions.

⚖️ Conflict of Interest

The EPA strongly recommends using a separate company for radon testing and mitigation. Many “free” testing programs are offered by companies that also sell radon mitigation systems — which can create a conflict of interest if they benefit financially from a high test result.

✅ Choose Certified, Unbiased Testing

At Arizona Radon Testing, we provide independent, certified radon testing only — no mitigation, no upsell. Our results are fast, accurate, and compliant with EPA and real estate transaction standards.

Radon is a naturally occurring radioactive gas that can build up inside homes and buildings. While Arizona is not often discussed as high-risk, certain areas like Queen Creek, San Tan Valley, and parts of Maricopa and Pinal Counties have tested above the EPA’s recommended action level. Long-term exposure can increase the risk of lung cancer, even in non-smokers.  Children are at a higher risk due to their developing bodies.

Radon is a colorless, odorless radioactive gas that forms naturally in the soil from the breakdown of uranium. It can enter your home through small openings and become trapped inside — often accumulating to dangerous levels over time.

🏠 Common Entry Points for Radon:

• Cracks in the foundation or basement floor

• Gaps around plumbing, pipes, or electrical wiring

• Construction joints or open seams in concrete

• Crawl spaces or sump pump pits

• Gaps around floor drains or unfinished flooring

Because radon gas is drawn into homes from the soil below, it’s most common in:

• Basements

• Slab-on-grade foundations

• Crawl space homes

🌬️ Why It Stays Inside

Homes are typically sealed to conserve energy, which can cause negative air pressure — drawing radon in and trapping it inside with nowhere to escape.

🛑 You Can’t See or Smell Radon — Only Testing Can Detect It

Even new, energy-efficient, or well-ventilated homes can have high radon levels. That’s why the EPA recommends testing every home at least once — especially before buying or selling.

Although Arizona is often thought of as a “low radon” state, our testing has revealed elevated — and sometimes unhealthy — radon levels in several communities across the Southeast Valley and beyond.

🧪 High radon levels in:

• Queen Creek, AZ

• San Tan Valley, AZ

• Mesa (East Mesa), AZ

• Sun Lakes, AZ

• Chandler Heights, AZ

According to the U.S. Environmental Protection Agency (EPA):

• Any radon level above 4.0 pCi/L (picocuries per liter) is considered elevated and action is recommended.

• Radon levels between 2.0 and 4.0 pCi/L are considered moderate, and the EPA recommends considering mitigation, especially if you spend a lot of time in lower-level living spaces.

• No level of radon is considered completely safe — because radon is a radioactive gas, the EPA states that even low levels carry some risk.

⚠️ Key Points:

• 4.0 pCi/L or higher: Action recommended — mitigation strongly advised.

• 2.0–3.9 pCi/L: Consider mitigation, especially in high-use spaces.

• Below 2.0 pCi/L: Generally considered low risk, but retesting every few years is a good practice.

Yes, radon is unhealthy and poses a serious health risk.

Radon is a naturally occurring radioactive gas that you cannot see, smell, or taste. When it accumulates indoors, especially in homes, it can damage lung tissue and increase the risk of lung cancer.

⚠️ Health Risks of Radon:

• Radon is the second leading cause of lung cancer in the United States after smoking.

• The EPA estimates that radon causes about 21,000 lung cancer deaths annually.

• Long-term exposure to elevated radon levels (4.0 pCi/L or higher) significantly increases the risk of developing lung cancer, especially for smokers.

• Children are particularly vulnerable because their lungs are still developing, and they tend to breathe more air per pound of body weight than adults, increasing their exposure risk.

✅ Protect Your Family

The only way to know if radon is a problem in your home is through professional testing. If elevated radon levels are found, mitigation systems can safely reduce radon and protect your health.

Radon testing should always be conducted by a certified professional — especially during a real estate transaction or if you need accurate, unbiased results for your home.

🧪 Why Hire a Certified Radon Tester?

• Certified professionals follow strict EPA protocols and use calibrated continuous radon monitors (like the SunRADON 1028XP) for precise, reliable results.

• DIY or mail-in kits are prone to user error, shipping issues, and unreliable readings — and are not accepted in real estate transactions.

• Only certified testers can provide compliant reports for buyers, sellers, and real estate agents in Arizona.

👤 Certification Matters

Look for testers certified by the National Radon Proficiency Program (NRPP) or National Radon Safety Board (NRSB). These organizations ensure testers meet national standards and stay current on training and equipment calibration.

✅ Why Choose Arizona Residential Radon Testing?

We are NRPP-certified, locally based in Queen Creek, Arizona, and have tested hundreds of homes. We offer fast results, professional reports, and unbiased testing only — no mitigation.

Yes — radon can absolutely be mitigated. If your home has elevated radon levels (at or above 4.0 pCi/L), a certified radon mitigation professional can install a radon reduction system that safely vents radon gas from beneath your home to the outside.

⚠️ Why We Only Test — Not Mitigate

At Arizona Residential Radon Testing, we only provide certified radon testing, not mitigation. This follows EPA best practices, which recommend hiring separate companies for testing and mitigation to avoid any conflict of interest.

Radon testing is a simple, non-invasive process designed to accurately measure the level of radon gas in your home’s air. At Arizona Residential Radon Testing, we use professional-grade continuous radon monitors to provide reliable and timely results.

🧪 Step-by-Step Testing Process:

1. Setup: A certified tester places a continuous radon monitor in the lowest lived-in area of your home—usually a basement, crawl space, or first-floor room.

2. Monitoring Period: The device continuously measures radon levels over a 48-hour period capturing fluctuations to ensure accuracy.

3. Data Collection: The monitor records radon concentrations in real time, providing detailed data on radon levels throughout the testing period.

4. Analysis & Reporting: After the test concludes, the data is analyzed, and a comprehensive report is generated. This report includes your home’s average radon level, test methodology, and recommendations.

5. Delivery: You receive your results quickly—typically within 48 hours—so you can make informed decisions about your home’s safety.

✅ Why Professional Testing Matters

• Accurate & EPA-compliant: Our continuous radon monitors meet or exceed EPA and NRPP standards.

• Fast Results: Unlike charcoal canisters or DIY kits, professional monitors deliver results in as little as 48 hours.

• We are a dedicated testing company — we do not perform mitigation, so our results are 100% unbiased. 
  

• The EPA strongly recommends using a separate company for testing and mitigation to avoid a conflict of interest.Our mission is to give you accurate information so you can make informed decisions for your family’s health and safety.

At Arizona Residential Radon Testing, our standard residential radon testing service is normally $165.

       👉 Special Pricing: Just $99 now through 6/30/25!

This includes:

• Professional-grade continuous radon monitor (SunRADON 1028XP)

• 48-hour testing period following EPA protocols

• A detailed, easy-to-read report delivered within 48 hours of test completion

• No upselling or mitigation pressure — we only test

💡 Pricing may vary slightly depending on location or specific property needs. Contact us for a custom quote.