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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: 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: 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: 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>

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

*The Angi rating for Radon Detection And Reduction companies in Harold, 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 Harold, 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 March 09, 2024

Reviewed in March 2024
They are hardworking and kind. Done my house and driveway in a days notice and made sure the job was done and in pristine condition.
DynNex Powerwashing
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Reviewed in November 2023
Blaine and his crew showed up on time and did an excellent job.
Duncan Electrical Services
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Reviewed in May 2023
They removed and hauled off the junk water heater and all other junk! Not only great plumbers. They changed my wet ceiling tile, lights and mopped the water up! ð
K&S Custom Plumbing, LLC
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Reviewed in April 2023
They were very reliable and did a great job removing two large trees from our backyard. Price was very reasonable and would definitely recommend them to any of our friends in the area.
Cowboy Tree Service, LLC
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Reviewed in September 2022
Thank you so much to Kyle and his team at American Heating and Cooling! Super easy to work with and very affordable. Would recommend for anyone with heating and cooling needs. Very courteous and professional. We appreciate it!
American Heating & Cooling
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Reviewed in April 2022
His work and price is TOP notch !
Dynasty Builders
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Reviewed in October 2021
the salesman that wrote up the contract did not include the second downspout as he told me he would. The workers were great , professional, and wasted no time in completing the job. I would hire them again.
Leaf Home Bath
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Reviewed in September 2021
They came on time and removed the trees and cleaned up all the logs and debree . All workers were friendly well mannered and worked til all work was done and cleaned up. We would highly recommend them and will call them again if needed.
Climb High Tree Service
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Reviewed in August 2021
Paul was a pleaser to work with .. very quick at getting report back and was willing to explain the report after the inspection
iVerify Home Inspections - Home Facebook
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Reviewed in July 2021
I was very Very pleased with the cleaning they did. I would definitely recommend them and plan to request their service in the future.
DynNex Powerwashing
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Find Radon detection and reduction specialists in Harold

SWAT Environmental, Inc.

4.1(

)

Serving Harold, 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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Radon Detection and Reduction questions, answered by experts

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

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.

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.

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

The Harold, 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

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
•
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 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
•
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.