How do you prevent radon in your home?

• <div><p>Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. </p><p>Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.</p></div>

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Q: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

Q: Do radon mitigation systems decrease home value?

• <div><p>No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.</p></div>

Q: Do air purifiers help with radon?

• <div><p>No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.</p></div>

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Glen Ellen, CA

*The Angi rating for Radon Detection And Reduction companies in Glen Ellen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Glen Ellen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on April 30, 2026

Reviewed in April 2026
Dave was super helpful and steered me toward the real solution I needed -- not testing but direct remediation of a leaking window and wall. His experience really helped get the job done and to calm my nerves after I discovered the leak!
Moisture & Restoration Consultants, LLC
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Reviewed in January 2025
These gentlemen came to my home and began trimming a couple big trees I had in my backyard, they were quick and efficient as well as friendly. They cleared out the branches and leaves out of my property and did great. Will be hiring again! Thanks Cal Pro!
California Professional Tree Service
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Reviewed in September 2024
Victor and his team, Julio and Diego did a fantastic job in clearing my overgrown garden property. It was full of rosemary bushes and brush and was presenting a fire hazard. They also advised on the trimming back of the remaining bushes and trees which was included in the work. Completed the...
TreeEx Inc
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Reviewed in September 2024
Everything went great. Markel who helped us with the blackberry removal and a few other smaller removals was both friendly and professional. Highly recommend!
Websters BlackBerry Removal
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Reviewed in July 2024
They know their trees. They realized that a crown reduction of the ash tree would be better than getting rid of the dead branches. They did a good job reducing the branches on the date and time agreed upon. I would recommend Guardian for tree work
Guardian Tree Experts
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Reviewed in February 2024
Tree and stump removal. Quick, reasonable and delivered as promised. Great at letting me know what to expect. On time and and great at updates even with minor schedule changes.
360 Tree Service
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Reviewed in August 2023
We used Rantissi construction to remove a load bearing wall and resupport with LVL beams and 2 support columns over a larger span in the summer 2022. They re-sheet rocked and re -textured the ceiling area joining both rooms as well as installed sub countertops for the entire kitchen. Additional...
E Rantissi Construction
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Reviewed in February 2022
Northgate is the best tree service in Sonoma County. They are very responsive and provide great customer service. They have been trimming my trees annually for the past 15 years to keep them healthy and beautiful. I always recommend them to friends & family. They do everything from pruning...
Northgate Tree Care
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Reviewed in February 2022
Wolf HVAC did an amazing job on installing and setting up my AC. The owner is very hands on and has a very professional team. They were on time, cleanly and affordable. I will definitely use this company again.
Wolf HVAC
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Reviewed in December 2021
Thank you Lemur Tree Aid for Pruning tree and bushes. They are very professional and fast. Came equipped and wearing Mask. They communicate well with quote and stick to it. Clean up after very well. Highly recommend and I will definitely hire again!
Lemur Tree Aid
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Radon Detection and Reduction questions, answered by experts

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter.

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

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