Independent Radon Testing: Why More Property Owners Are Separating Testing From Mitigation
Updated: Jul 21
When dealing with a potential environmental concern like radon, property owners and real estate professionals naturally look for the simplest, most efficient path forward.
On the surface, a combined service model looks highly appealing:
One company to manage the process.
One appointment to schedule.
One point of contact for all communication.
For some, hiring a single company that performs both the initial testing and the subsequent mitigation system installation feels like the easiest way to manage the process.
However, a growing number of property owners, home inspectors, and real estate professionals throughout the region are choosing a different route. They prefer to separate the measurement of the gas from the installation of the solution to help ensure that the data is independent and objective.
Testing and Mitigation Are Separate Professional Services
Radon testing and radon mitigation are related, but they are not the same service.
Testing is the highly precise scientific process of measuring and documenting radon concentrations within a property over a set period.
Mitigation is the physical construction process of modifying a building's structure to reduce radon entry or draw existing gas out safely.
Because these services serve different purposes, the Pennsylvania Department of Environmental Protection (DEP) maintains separate certification categories related to radon measurement, mitigation, and laboratory analysis. Because these disciplines involve different types of work, many property owners choose to work with separate certified professionals for measurement and mitigation to maintain an additional layer of independence.
Why This Matters for Home Inspectors and Real Estate Professionals
In local real estate transactions, radon results can heavily influence negotiations, repair requests, and buyer confidence.
For home inspectors and real estate agents, credibility is everything. Recommending an independent measurement professional allows agents to provide their clients with entirely objective, third-party data. It ensures that transaction-ready documentation is completely free from secondary commercial interests or the suggestion of a pre-existing tie to a specific mitigation contractor.
By utilizing separate services, agents can guide their clients through negotiations with confidence in the integrity of the test results.
Why Independent Verification Matters for Rental and Commercial Properties
For landlords, property managers, and commercial property owners, documentation is especially valuable.
Independent testing provides a clear, uncompromised record of conditions before and after mitigation, helping owners understand whether corrective actions achieved the intended result. In commercial leases or multi-family residential housing, having third-party verification of indoor air quality supports responsible property management and provides documentation that corrective actions were properly evaluated.
Why Some Companies Offer Testing and Mitigation Together
It is easy to see why a combined model exists. For a homeowner looking for a quick turnaround outside of a complex real estate transaction, a combined approach offers convenience:
Streamlined Scheduling: You only have to coordinate with a single contractor's calendar.
Unified Communication: The team evaluating the property is the same team designing the physical piping layout and fan sizing.
Familiarity: The technicians already understand the layout of your home from the initial testing phase.
For some situations, that may be a practical choice. The most important consideration is that property owners understand their options and choose an approach that provides confidence in the accuracy of their results. For those who prioritize additional quality control and independent verification, separating the two services can provide an added layer of confidence.
Why Some Property Owners Choose Independent Radon Testing
Testing and mitigation serve two entirely different purposes.
Testing asks a purely scientific question: "What are the actual, precise radon levels in this living space?"
Mitigation asks a practical construction question: "How can we physically reduce those levels?"
Because they do not sell or install mitigation systems, a measurement-only professional has no financial interest tied to the outcome of the test. This separation provides property owners, buyers, and sellers with additional confidence that:
Measurements are strictly objective.
Results stand entirely on their own.
Decisions are based solely on data.
The Role of Post-Mitigation Verification
A mitigation system is designed to reduce radon entry, but the installation itself does not provide proof of performance. Verification testing provides documented evidence of whether the system achieved the intended reduction.
When the same company performs both the mitigation work and the post-mitigation testing, some property owners may prefer additional third-party verification to provide an extra layer of objectivity. It ensures that the final post-mitigation test results are evaluated by a certified specialist whose only objective is to record highly accurate numbers.
Independent Testing Does Not Mean You Are Against Mitigation
Choosing independent testing is not about opposing mitigation. When radon levels require action, active mitigation is a highly effective and essential step in reducing indoor exposure and protecting respiratory health.
The purpose of independent testing is simply to ensure that those decisions and the financial investments that come with them are based on objective measurements and verified results. If your home does require a system, an independent tester can help you understand your test results objectively so you can make highly informed, confident decisions when hiring a certified mitigation contractor.
Why Liberty Radon Diagnostics Focuses Only on Measurement
At Liberty Radon Diagnostics, we believe that testing should provide clear, unbiased information. That is why we do not install mitigation systems.
Our role is strictly to measure, document, and provide property owners and local professionals with the objective data they need to make informed decisions. By keeping our focus entirely on diagnostics, we ensure that our clients always have a trusted, conflict-free partner in their corner.
Need Independent Radon Verification?
Whether you are purchasing a home, managing a rental property, preparing for a real estate transaction, or verifying a mitigation system, Liberty Radon Diagnostics provides independent radon measurement services focused on accurate testing, objective reporting, and clear documentation.
We do not install mitigation systems. Our focus is simple: provide reliable data so you can make informed decisions.
[Get in Touch / Book an Appointment] https://www.libertyradon.com/Booking
Additional Resources
For more information about radon testing, mitigation guidelines, and certified professionals:
Pennsylvania Department of Environmental Protection (DEP) Radon Division: The PA DEP operates a comprehensive certification program covering radon testing, mitigation, and laboratory analysis. Anyone conducting professional radon services in Pennsylvania must be certified by the state.
U.S. Environmental Protection Agency (EPA) Radon Program: The EPA recommends taking action to reduce radon levels at or above 4.0 pCi/L. The EPA also notes that reducing radon exposure below this level can further lower risk because there is no known completely risk-free level of radon exposure.
About the Author
Moises Serrano is the owner of Liberty Radon Diagnostics LLC, an independent radon measurement company serving Philadelphia and surrounding communities. Liberty Radon Diagnostics performs radon testing and diagnostics only and does not install mitigation systems, allowing for unbiased measurement results.
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