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Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.</p></div>

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: 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: 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: Can I use my sump pit for radon mitigation?

• <div><p>If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Crofton, KY

*The Angi rating for Radon Detection And Reduction companies in Crofton, KY 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 Crofton, KY 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 09, 2026

Reviewed in May 2026
Primarch Construction completed multiple projects and our deck. Their team demonstrated exceptional professionalism and efficiency throughout the entire process, ensuring the project was completed quickly and delivered to an outstanding standard. The overall quality of their service was truly...
Primarch Construction LLC
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Reviewed in November 2025
I can’t say enough about this company! I was extremely pleased with every aspect. They did a thorough inspection and diagnosis of our issues in our attic. They were extremely friendly and professional and explained things well. They were prompt and went above and beyond expectation. They...
Insulation Commandos of Clarksville
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Reviewed in November 2025
Fast, professional, and quality work! ⭐⭐⭐⭐⭐ Fast, professional, and quality work! Excellent service! I had four stumps removed and Stump Solutions did a fantastic job. Professional, polite, on time, and very thorough — they really care about doing the job right. Highly recommend!
Stump Solutions LLC.
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Reviewed in February 2025
I hired W.construction to build my porch and install metal roofing. They provided excellent service and completed my project according to the planned time frame. Ethan is professional and experienced. I would hire them again.
W. Construction
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Reviewed in February 2025
Did a great job every week mowing my yard and also trimmed my bushes and cleaned my gutters he does it all highly recommend
LUSHS LAWN AND MORE LLC
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Reviewed in October 2024
Outstanding. Crew of three were on time courteous and professional. They maintained a clean and organized work area. I added an unplanned request to have a safe anti skid walk path painted on my handi capped ramps and deck landing. Mr Bowers and crew measured, taped the area and left us...
KTB Painting
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Reviewed in August 2024
Excellent workmanship and helpful suggestions to make fence stronger and more curb appeal. Workers helped clear away all the downed tree limbs. I would definitely hire them again.
kc contracting
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Reviewed in July 2024
I recently hired D&J Home Services for a variety of tasks around my home, and I couldn't be more pleased with the results. From the initial consultation to the completion of the work, their team was professional, courteous, and highly skilled. They handled everything from fixing a leaky faucet...
D&J Home Services
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Reviewed in December 2023
Excellent work on window replacement and soffit and fascial repair and covering; moreover, Jason is just a great guy and easy to work with.
EM-J Enterprises LLC
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Reviewed in August 2022
Stephen ran his forestry mulched for me and cleared about 8 acres of extremely thick and overgrown land early in the year. He was very thorough, and cleaned the property expertly. While the hourly rate seemed expensive when we discussed it, compared to clearing the land by hand or with a dozer,...
True Grit Forestry Mulching
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Find Radon detection and reduction specialists in Crofton

Tennessee Radon Services

5.0(

)

Serving Crofton, KY and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Just everything about Tennessee Radon Services impressed me. The quick communication right from the start was convenient. The next day estimate appointment was a surprise and then two days later it was done. And the mitigation system we got is totally top of the line. Whisper quiet and high gauge pvc. And for the bottom of the estimate range too. Stop searching for your Radon mitigation service. These guys are the real deal."

Response time1 day

2 neighbors recently requested a quote

Recommended by86%of homeowners

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BreathSafe Radon and Moisture Control

4.2(

)

Serving Crofton, KY and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"It went great! I have a home where the system was not easy to install, but they stayed until it was finished. A test kit was left to see if it was working properly, but they added that they would return if our radon wasn't lowered. IT WAS!! Money very well spent"

Recommended by85%of homeowners

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Sager Environmental

New to Angi

Serving Crofton, KY and surrounding areas

In business since 2016

Free estimates

Sager Environmental, has a single mission, which is to achieve complete customer satisfaction. We strongly believe in giving our customers the most for their money. We work with only the highest quality materials and experienced professionals. With over 20 years of experience, we have consistently focused on the needs of our customers, providing personalized attention and a stress free experience. This approach has set us apart from our competition and keep our customers coming back. Give us a call today!

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Gustafson's Home Inspections, LLC

5.0(

)

Serving Crofton, KY and surrounding areas

In business since 2024

Free estimates

Warranties offered

I AM NOT YOUR AVERAGE INSPECTOR!\n\nAll my inspections come with RecallChek, and Inspector Services Group's Full package warranties. Curtsey of Gustafson's Home Inspections LLC \n\nAt Gustafson’s Home Inspections, we take pride in being a veteran-owned business. Rich Gustafson is the owner, leading the way as a dedicated home inspector continuing to serve his country. My commitment to honesty and transparency sets us apart. Rich believes in telling it like it is, giving a straightforward assessment of every home to ensure our clients have a clear understanding of their property.\nOur focus is not about collecting fees, but on forging meaningful connections with our clients. Rich personally meets with each customer, discussing findings in detail to make sure they understand. We are genuinely here to help, embodying the values of integrity, communication, and service that make Gustafson’s Home Inspections the trusted choice for your home inspection needs.

Sometimes, you don't think of the obviouse

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Radon Detection and Reduction questions, answered by experts

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

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.

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.

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

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

The Crofton, KY 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
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Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
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•
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.
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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.
Kyle Schurman
•
Apr 8, 2026Apr 8, 2026
How Long Does a Radon Mitigation System Last?
How long does a radon mitigation system last? A properly installed and maintained system can last 20 years or more, but various issues can reduce the life span.
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•
May 3, 2026May 3, 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.