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*The Angi rating for Radon Detection And Reduction companies in Guadalupe, 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 Guadalupe, 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 June 10, 2026

Find Radon detection and reduction specialists in Guadalupe

Avatar for Radon Solutions California, LLC
Radon Solutions California, LLC
4.4(
8
)
Radon Gas - AbatementRadon Gas - Testing

Serving Guadalupe, CA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Absolutely amazing experience. My home radon levels were averaging 5.0 pCi/L. Two days after Edward and his team finished the mitigation job the levels went down to 0.3. Incredible result. I can’t be happier."
Radon Fans
Response time2 days
Recommended by100%of homeowners
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Avatar for At Eazz Restoration LLC
At Eazz Restoration LLC
5.0(
3
)
Radon Gas - Testing

Serving Guadalupe, CA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"They are a very professional business. They are very knowledgeable and concerned about your needs. They will put you issues at EAZZ!!! Ernie was very helpful with all questions asked. Bianca was extremely knowledgeable in the insurance industry as she was also amazing and professional. I would highly recommend At EAZZ for any water restoration/mold/asbestos."
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+7

Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.

Yes, many systems include warranties for performance. Confirm terms with your installer.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

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.

The Guadalupe, CA homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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