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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: What would cause radon in a house?

• <div><p>The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.</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 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: 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>

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

*The Angi rating for Radon Detection And Reduction companies in Columbia, 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 Columbia, 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 June 09, 2026

Reviewed in June 2026
The technicians were courteous and professional.
Shamrock Maintenance Corp
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Reviewed in June 2026
Great work! Wrex It, LLC completed extensive grading and redlining work around our pond and dam area. GAry?s attention to detail and knowledge of proper drainage and soil management were impressive. The finished project looks amazing and the entire process was smooth from start to finish. ...
Wrexit llc
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Reviewed in June 2025
I recently had a pressure washing job done, and I couldn?t be more satisfied with the results. The team arrived on time, was professional throughout, and did a great job cleaning everything as discussed. The surfaces look brand new again ? they really brought everything back to life. The work...
Goch Quality Construction, LLC
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Reviewed in April 2025
I recently hired Wheeler Electrical Services for some electrical work at my home, and I couldn?t be more impressed. From start to finish, the experience was professional, efficient, and stress-free. They showed up on time, clearly explained the work that needed to be done, and completed...
Wheeler Electrical Services
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Reviewed in December 2024
I have hired David and David Jr. for 2 projects now. And I will be having them back again this springtime. They did an extensive Potager Rose Garden with walk ways of stone, incased in a stone wall with pillars. In the center is a 3 tier water fountain. It turned out exquisite. They helped me...
Elite Hardscapes
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Reviewed in April 2024
I used Dylan Boggs @ Pro pressure washing to clean my gutters and to wash my farm tractors and he was great, he was on time, and was very affordable. I would highly recommend him.
Pro gutter cleaners
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Reviewed in March 2024
CJ, Terry and his team were excellent to work with. They did my job for a reasonable price and delivered fantastic results. Will use Perfect Edge for all my future projects in this area.
Perfect Edge Painting
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Reviewed in December 2023
I had a section of gutter I wanted replaced and extended. They came out to the house and gave me a quote. I excepted it and they offered a discount to do it at that time. The work was handled efficiently and expertly. And in no time, the job was done. Cleaned up the work area and left a fine...
Gutter Concepts of SC
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Reviewed in December 2023
Quick and amazing work! They truly went above and beyond to get the job done right.
Steele Standing House Repairs and Remodeling LLC
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Reviewed in October 2023
He was very nice and talked to you and answered any ? U had
All Pro Lock And Key
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Find Radon detection and reduction specialists in Columbia

Frontier Foundation and Crawl Space Repair

4.6(

214

)

Serving Columbia, KY and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"Lewi was very friendly and perform the task expediently."

+14

Response time2 days

171 neighbors recently requested a quote

Recommended by54%of homeowners

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Breathe Safe Radon & Moisture Control

4.4(

)

Serving Columbia, KY and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Lance and Joy were great to work with! They were efficient and knowledgeable! Great price. Would highly recommend to anyone looking for radon mitigation system."

Response time8 hrs

Response rate94%

Recommended by95%of homeowners

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SWAT Environmental, Inc.

4.1(

)

Serving Columbia, KY and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"According to the test packet the company left, the radon level did drop."

Recommended by87%of homeowners

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BreathSafe Radon and Moisture Control

4.2(

)

Serving Columbia, KY and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"It went well. Radon was reduced greatly. Job well done."

Recommended by85%of homeowners

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Sager Environmental

New to Angi

Serving Columbia, 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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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.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

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.

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

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

The Columbia, 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
•
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.
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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.
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
•
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.