Ensuring Radon Safety: Why Testing Is Essential Even with a Reduction System in Place

Radon, a colorless, odorless gas, is a significant health concern when found in elevated levels within homes. It's known to be the leading cause of lung cancer among non-smokers and poses severe health risks. Many homeowners take proactive steps to mitigate radon by installing reduction systems, but the question arises: Should one still test for radon if a reduction system is already in place? The short answer is an emphatic yes, and here's why.

Just because a system is in place does not mean that it is working properly.  Without testing you do not know.

Reduction systems, such as sub-slab depressurization or ventilation, are designed to mitigate radon levels and make indoor air safer. However, they are not foolproof or immune to malfunction. Factors like system wear and tear, alterations in the home's structure, or changes in the surrounding soil can affect their efficiency over time.

Periodic testing for radon, even with a reduction system installed, is crucial to ensure the system's ongoing effectiveness. The Environmental Protection Agency (EPA) recommends testing at least every two years, or more frequently if structural changes occur or if there's reason to suspect an issue.

Regular testing doesn't just validate the continued functionality of the mitigation system; it provides peace of mind for homeowners. Radon levels can fluctuate due to various factors, and a reduction system might not always maintain the levels below the recommended safety thresholds.

Moreover, different parts of a house might have varying radon concentrations. While a reduction system can address radon from a specific source, it may not fully alleviate radon from other potential entry points. Conducting periodic tests ensures comprehensive coverage, especially if new radon entry paths develop over time.

Failing to test for radon regularly, even with a reduction system in place, could lead to undetected high radon levels. Prolonged exposure to elevated radon concentrations poses severe health risks, particularly for lung cancer.

In conclusion, homeowners should prioritize regular radon testing despite having a reduction system installed. Testing not only verifies the continued functionality of the mitigation system but also ensures overall household safety by detecting any potential rise in radon levels. It's a proactive measure in safeguarding the health and well-being of all occupants within the home.


  1. Environmental Protection Agency (EPA) - Radon: https://www.epa.gov/radon
  2. American Lung Association - Radon and Lung Cancer: https://www.lung.org/radon

ABOUT 1st Choice Inspection:

1st Choice Inspection

Michael Schwitzer
1603 Rockridge Way, Waukesha, WI 53188

1st Choice Inspection: The Best Inspection Company in Waukesha, WI

When you're buying or selling a home, condo or commercial building it's important to have a thorough inspection done by a qualified professional. That's where 1st Choice Inspection comes in. We're the best home inspection company in Waukesha, WI, and I am here to help you make the best decision on purchase or sale.

Here are just a few reasons why 1st Choice Inspection is the best:

The owner, Michael Schwitzer, is certified and experienced. Certified by the International Association of Certified Home Inspectors (InterNACHI), and a Certified Master Inspector® with 28+ years of experience inspecting homes, condo’s and commercial buildings in Waukesha and the surrounding area.

1st Choice Inspection is thorough. Our inspections are comprehensive, and I look at every aspect of your home, condo or commercial building from the roof to the foundation in Waukesha & surrounding communities.

A home and condo inspection includes an examination of the following:



Commercial Inspections focus on the mechanical items within the building and also specific items at the request of the customer.

As the owner, Michael’s approach to business is based on customer satisfaction, As the ONLY professional and knowledgeable inspector who is also LICENSED INSURANCE AGENT in the state. I will educate you on your new purchase and make sure you understand not only the inspection process but ways to improve it. I am happy to answer any questions you have.

We offer competitive rates and are on point.  If you are looking for a cheap inspector, you will need to go elsewhere.  The cheapest is never the best!

Areas Served:




Elm Grove

New Berlin








Why Hire an Inspector?

There are many reasons to hire a home inspector when you are buying or selling a home. An inspection can help you:

  • Identify potential defects or problems with the home, condo or commercial building
  • Make an informed decision whether or not to buy the home, condo or commercial building
  • Negotiate a lower purchase price if there are defects
  • Avoid costly repairs after you move in

What to Expect During a Home or Condo Inspection:

A home or condo inspection typically takes between 3 to 4 hours to complete. I will provide you with a written report that details my findings within 24 hours and usually the same day. The report will include a description of any defects or issues that should be addressed.

A commercial inspection typically takes longer and may require additional members of the team with specific specialties.

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If you're looking for the best inspection company in Waukesha WI, look no further than 1st Choice Inspection. We will help you make the best decision for your home, condo or commercial building purchase or sale.

For more information about 1st Choice Home Inspection and their inspection services, email them at info@1stchoiceinspectionwi.com or call them at (414) 803-9678 to schedule an appointment.