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

• <div><p>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.</p></div>

Q: Why is radon gas abatement necessary for homes?

• <div><p>Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.</p></div>

Q: Is a radon mitigation system expensive to run?

• <div><p>The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.</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>

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>

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Verified Reviews for Radon Detection And Reduction pros in Holden, WV

*The Angi rating for Radon Detection And Reduction companies in Holden, WV 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 Holden, WV 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 November 01, 2025

Reviewed in November 2025
Cornerstone Renovations - Noah provided a flawless removal of old shingle and we back with everything new in one day. His communication wss on point and as far as I’m concerned, they are the best contractors I have ever hired and I will use them again very shortly.
Cornerstone Renovations WV LLC
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Reviewed in March 2025
We were moving out of a townhouse with multiple flights of stairs. Fortunately, the movers were careful and strategic, and ensured that nothing was damaged during the tricky descent. We couldn?t be more pleased!
Paramount Van Lines
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Reviewed in September 2024
Space Air Duct Cleaning exceeded my expectations. They explained the process, answered all my questions, and left my ducts spotless. Iâ m breathing easier now!
Build Up Remodeling and Construction
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Reviewed in September 2024
They built my deck kept my property clean and were very respectful
Better Built
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Reviewed in June 2024
Customer service was exceptional.. I appreciated all their help. The work crew ,Zac and James explained what they were doing and why, not to mention, being new to the area these two fellas were very kind to an old lady! Price wise, extremely reasonable! Would definitely call them again if...
Superior Pocahontas
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Reviewed in June 2024
David came out quickly when we called him and got the job finished on time. He does excellent work and cleaned up after he completed the job. Highly recommend!
David's Handyman Service
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Reviewed in February 2024
A very professional company that listens to their customer and explains their projects thoroughly. Jeremy answered every question with great detail. Porter Contracting is an astute and well structured company!
Porter Contracting LLC
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Reviewed in February 2024
I would recommend The Bigley Group for any excavation service. Brent was quick to respond and stayed in touch with me. The service provided by them was beyond my expectations and I will for sure use them for any excavation services I may need going forward!
The Bigley Group, LLC
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Reviewed in November 2023
Mycal and his crew cleared a Power Line Right of way for me that was over one half mile long and done a quick and outstanding job. Will use again on the next clearing job.
Better Property Management and Construction
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Reviewed in March 2023
He has gone above and beyond to help me, he was just excellent!
KB's Handyman Service
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Find Radon detection and reduction specialists in Holden

SWAT Environmental, Inc.

5.0(

)

Serving Holden, WV and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"The gentleman who installed the equipment was prompt, friendly and competent."

Response time12 hrs

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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.

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

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

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

The Holden, WV 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

Mitchell Grant
•
Mar 18, 2026Mar 18, 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.
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.
Angi
•
Mar 18, 2026Mar 18, 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
•
Apr 5, 2026Apr 5, 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
•
May 2, 2026May 2, 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
•
Apr 10, 2026Apr 10, 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.