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Q: How much does it cost to replace a radon fan?

• <div><p>The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.</p></div>

Q: How does radon enter my home?

• <div><p>Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

Q: What is considered a safe or dangerous level of radon?

• <div><p>No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. 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 preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.</p></div>

Q: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Greenville, CA

*The Angi rating for Radon Detection And Reduction companies in Greenville, 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 Greenville, 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 May 28, 2020

Reviewed in May 2020
easy to work with and very professional
Fox Welding
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Reviewed in September 2019
I hired Ernie to repair and refurnish an antique desk that had fallen to pieces with age. He did a tremendous job and I couldn't be more pleased. He will be refinishing all of my 100 year old restaurant stools. He's a gem! Carol
Squatch Ranch Rehabs
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Reviewed in May 2019
As an older couple who need things where the can see or grab them! It was hard to find our things after they were done! Having our personal items moved and some place else just didn’t work for us! Otherwise it was a nice clean job! Thanks
House Cleaning and Custodian
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Reviewed in March 2018
The office manager, Shay, is a get things done kind of gal, When I called for an estimate she had someone out the very next day. When I called her for an appointment the work was done the next day. Great service. The two men that did the work were friendly and did a great job. Thanks New Sky
New Sky Tree Service, Inc.
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Reviewed in February 2018
Porter's quality of work was superb. They were professional and friendly with the bidding process and I never felt pressed for an immediate response. The cost was reasonable and I would definitely use them again.
Porter Roofing
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Reviewed in September 2017
Eddie from Nor Cal Building Inspections was on time, and performed a very thorough inspection of my husband's and I's prospective home. He was always responsive within a short period either by phone, text, or email. Eddie's credentials put our mind at ease knowing an educated...
Nor Cal Building Inspections
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Reviewed in January 2017
I was very please with their accuracy and skill level. The crew was very professional and worked like a well oiled machine. Yes, there was one critical error, but their correction was dead on prefect and I received exactly what I wanted.
Hughes Construction
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Reviewed in March 2016
The people working for Mark Gooch were excellent, they were polite, considerate and hardworking. Mark himself is a very personable guy who made sure I was completely satisfied with the work done. For any of you who still have the popcorn ceilings, the removal certainly improves the home.
Mark Gooch Painting
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Reviewed in January 2015
Very thorough, detail oriented and offered fair price for irrigation install
Smart Water Technologies, Inc.
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Reviewed in January 2015
Speedy response and even got job done on a Sunday
Professional Sunshine Roofing, Inc.
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Find Radon detection and reduction specialists in Greenville

MG Remediation, Inc.

3.3(

)

Radon Gas - Abatement

Serving Greenville, CA and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: Quick response

"Peter and his team at MG Remediation are professionals. They did everything they told me they would do and the radon levels dropped significantly. Great communication, too, which always matters."

Response time4 days

Recommended by80%of homeowners

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Radon Detection and Reduction questions, answered by experts

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

Installation typically takes 1-2 days, depending on the system and property layout.

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. 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 preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

The Greenville, 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.

See all articles

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•
Aug 3, 2026Aug 3, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
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How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
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How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
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Jul 9, 2026Jul 9, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
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Jul 9, 2026Jul 9, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
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Jul 9, 2026Jul 9, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.