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Get matched with top radon detection and reduction specialists in Martinsburg, MO

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: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</p></div>

Q: What steps should be taken if high radon levels are detected?

• <div><p>If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</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>

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Verified Reviews for Radon Detection And Reduction pros in Martinsburg, MO

*The Angi rating for Radon Detection And Reduction companies in Martinsburg, MO 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 Martinsburg, MO 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 25, 2026

Reviewed in April 2026
These guys were great! Quoted it one day and did the work the next day! Fast, efficient, friendly, professional, and patient. I definitely recommend and will hire them again!
Tri State Forestry, LLC
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Reviewed in March 2026
C&M removed and replaced the flooring of our front porch. They were very professional and great to work with. We love how it turned out and their pricing was very reasonable.
CRUMP&MARSHALL REMODELING LLC
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Reviewed in May 2025
They did both roof and siding repair. The work was done efficiently and clean-up was great.
CoMo Premium Exteriors
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Reviewed in June 2024
They did a great job assessing my ash trees and then treating two for emerald ash borers. One tree had to be removed, and it was done quickly and neatly!
Tree Wizard, Inc.
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Reviewed in January 2024
Bill and his son Ethan were great and very professional
Chaos Cleanup Crew - Junk Removal, LLC
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Reviewed in December 2023
It was great. He was very knowledgeable caring. Careful did great work went over and above and beyond. What we needed and we would gladly hire him again
Carl's Handyman Services
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Reviewed in June 2023
They are the best in customer service and treats their customers with the utmost importance and understanding.
Vision Construction Co. LLC
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Reviewed in May 2023
Lee, Camyrn and Ethan were very respectful and helpful. Great crew !
Foundation Recovery Systems
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Reviewed in March 2023
Smoothly, the men knew what they were doing and did it safely and without hitch.
Young and Vaughn Tree Service
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Reviewed in October 2022
The work was excellent They were neat and cleaned up each day Friendly and courteous
Clearview Glass, LLC
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Find Radon detection and reduction specialists in Martinsburg

SWAT Environmental, Inc.

4.5(

)

Radon Gas - Abatement

Serving Martinsburg, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Overall everything was pretty good. I felt the installation could have looked much cleaner but it is fine. I still haven't re tested to see what my radon levels are now."

Recommended by97%of homeowners

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Braun's Inspection Consultants

4.7(

)

Radon Gas - Testing

Serving Martinsburg, MO and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Very fast response time for mold testing in the home. We are very pleased with the service provided and would recommend Brauns to everyone. He has responded in a very timely matter and has reported all results quickly."

Recommended by100%of homeowners

Serving Martinsburg, MO and surrounding areas

In business since 2005

Free estimates

Mid MO Inspectors will provide you or your business with a full service approach to all your inspection needs. Please feel confident in contacting Mid MO Inspectors for your next inspection.

Recommended by100%of homeowners

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S & J Home Inspections - Home Facebook

New to Angi

Radon Gas - Testing

Serving Martinsburg, MO and surrounding areas

In business since 2011

Free estimates

At Amerispec Home Inspections, we are your premiere source for general home inspections. Our company offers the finest in efficiency and quality. When it comes to professionalism and customer service, we are unmatched in the region. For the best of the best, call today for your next inspection!

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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 is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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.

The Martinsburg, MO 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

Alison Kasch
•
Apr 6, 2026Apr 6, 2026
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.
Mitchell Grant
•
Sep 28, 2026Sep 28, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Angi
•
Sep 23, 2026Sep 23, 2026
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.
Amy Freeman
•
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.
Jacqueline DeMarco
•
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.
Audrey Bruno
•
Jul 8, 2026Jul 8, 2026
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.