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Radon Testing in Joliet, IL

Joliet IL 1

Professional Radon Testing for Homes Throughout Joliet

Whether you own a historic home near downtown Joliet, a ranch in an established neighborhood, or a newly built home on the city's west side, professional radon testing is the only way to know whether elevated radon levels are present.

Radon is a naturally occurring radioactive gas that forms in the soil beneath our homes. Because it has no color, odor, or taste, it cannot be detected without proper testing.

Quality Environmental Testing Inc. has provided independent radon testing throughout Joliet and the southwest Chicagoland area since 2002. Using professionally calibrated continuous radon monitoring equipment, we deliver accurate, dependable results for homeowners, home buyers, sellers, landlords, and real estate professionals.

Unlike companies that also install radon mitigation systems, QET performs testing only. Our goal is simple: provide honest, unbiased information so you can make informed decisions about your property.

Why Every Joliet Home Should Be Tested

Joliet has one of the most diverse housing markets in Illinois.

The city includes:

  • Historic homes built more than a century ago

  • Mid-century neighborhoods

  • Ranch homes

  • Split-level homes

  • Custom homes

  • Townhomes

  • Condominiums

  • Brand-new residential developments

While every neighborhood is different, every home shares one important fact:

No home can be assumed to have a safe radon level.

Radon comes from the soil beneath the property—not from the age of the home.

Whether your house was built in 1910 or 2025, professional testing remains the only way to determine your home's radon concentration.

Older Homes and New Homes Can Both Have Radon

Many homeowners assume that only older homes develop radon problems.

Others believe newer homes are protected because of modern construction.

Neither assumption is correct.

Older homes may have settled foundations, cracks, or aging construction joints that provide pathways for soil gases to enter.

Newer homes often feature tighter, more energy-efficient construction that can allow radon to accumulate indoors if it enters through the foundation.

Every home is different.

We've seen neighboring homes produce completely different radon results simply because of differences in foundation design, ventilation, and the soil beneath each property.

Radon Testing During Joliet Real Estate Transactions

Joliet's large housing inventory means homes are bought and sold throughout the year.

Professional radon testing has become a common part of many real estate transactions because it gives buyers and sellers reliable information before closing.

Quality Environmental Testing works with:

  • Home buyers

  • Home sellers

  • Realtors

  • Home inspectors

  • Attorneys

  • Investors

  • Property managers

We provide prompt scheduling and clear electronic reports that are easy to understand and simple to share during the inspection process.

Many homeowners also choose to test before listing their property to avoid surprises once negotiations begin.

Our Professional Radon Testing Process

QET uses a calibrated SunRADON 1028-XP continuous radon monitor to collect hourly measurements over a minimum 48-hour testing period.

Every professional test includes:

  • Proper monitor placement

  • Minimum 48-hour continuous monitoring

  • Hourly radon measurements

  • Tamper-resistant monitoring

  • Review of testing conditions

  • Electronic reporting

Rather than relying on a single reading, our continuous monitor records hourly changes throughout the test, providing a more complete picture of radon conditions inside the home.

Preparing Your Home for a Radon Test

To ensure reliable results, closed-building conditions should be maintained throughout the testing period.

Before and during testing:

  • Keep windows closed

  • Keep exterior doors closed except for normal entry and exit

  • Operate your heating and air conditioning normally

  • Do not unplug or move the monitor

  • Avoid unusual ventilation that could affect the test

We'll explain the testing requirements before your appointment and answer any questions you may have.

Understanding Your Radon Results

Radon is measured in picocuries per liter (pCi/L).

The U.S. Environmental Protection Agency recommends taking corrective action when radon levels measure 4.0 pCi/L or higher.

Some homeowners also choose to reduce levels between 2.0 and 4.0 pCi/L to further lower long-term exposure.

Professional testing gives you the information needed to make an informed decision about your property.

Why Homeowners Choose Quality Environmental Testing

Since 2002, homeowners throughout Joliet have trusted QET because we provide:

  • Independent radon testing only

  • Family-owned local business

  • Calibrated continuous radon monitors

  • Professional 48-hour testing

  • Fast electronic reports

  • Responsive scheduling

  • Licensed and insured service

  • Honest, unbiased results

Because we do not install mitigation systems, our recommendations are never influenced by selling another service. Our only focus is providing accurate testing and dependable results.

Serving Homeowners Throughout Joliet

Whether your home is near Downtown Joliet, Cathedral Area, Cunningham, Reedwood, Ingalls Park, Crystal Lawns, the west side, or one of Joliet's many newer residential developments, Quality Environmental Testing is ready to provide professional, independent radon testing.

From century-old homes to brand-new construction, every property deserves accurate testing.

If you're buying, selling, or simply want peace of mind, contact Quality Environmental Testing today to schedule professional radon testing in Joliet, Illinois.

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