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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 are the health risks associated with radon exposure in homes?

• <div><p>Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.</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 long can you go without a radon fan?

• <div><p>Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.</p></div>

Q: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Carlisle, IN

*The Angi rating for Radon Detection And Reduction companies in Carlisle, IN 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 Carlisle, IN 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 October 11, 2025

Reviewed in October 2025
Hail damage to my siding. Were quick to assess my problem. Gave a fair estimate. Kept me informed when they could fix the problem and when they would finish. Polite and respectful. Will hire again if needed.
Cooper's Residential Improvement, LLC
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Reviewed in January 2025
Excellent and very knowledgeable. Highly recommend
AnderSat Home Media Solutions
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Reviewed in July 2024
I had storm damage and when I called them they showed up the next day.
KLSE Regeneration
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Reviewed in April 2024
Darvin was very accommodating in scheduling the service call. He diagnosed the problem immediately and promptly repaired it. Impressive and professional.
KneppCo
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Reviewed in March 2024
Ryan came and and made my driveway look like it was new again. He did such a good job I even had him come take a look at some food plots I’m looking to put in. Ryan was very easy to schedule with and was prompt and polite! I’ll see him again next year on my driveway for sure :-)
Next Gen Earthworks
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Reviewed in July 2023
Z Flooring replaced the floor of our rental home. He was by far the most economical and he scoped the job with more detail than other contractors or large companies. Z was on site and very involved in the project. He and his crew worked diligently and communicated frequently. I would hire again.
Z-Flooring
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Reviewed in April 2023
Good service and good people
Milliron Exterior Cleaning
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Reviewed in January 2023
It was by far the best home inspection I have ever utilized. Very thorough and was so great to actually have someone so knowledgeable to explain certain areas to me. In addition really thoughtful and appreciated how consciously aware the inspector was in covering his feet from dirt when he...
Lake It Easy Property Inspections, LLC
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Reviewed in September 2022
Team of four showed and and make quick work of the installation. Problems on my end arrived and the team and I quickly came to resolution. Excellent input, work ethic and top notch service. Highly recommend to all my business and personal friends.
WILKINS OVERHEAD DOORS
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Reviewed in February 2022
They have done a few projects for me ranging from landscaping to fan installation , washer/dryer installation, and assembly of storage cabinets. Always on time, reasonable price, professional and clean up when done.
Rent A Man, LLC
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Find Radon detection and reduction specialists in Carlisle

Serving Carlisle, IN and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"The tech was prompt and professional. He answered the questions I had, completed the job quickly and cleaned up afterward."

Response time1 day

Recommended by94%of homeowners

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BreathSafe Radon and Moisture Control

4.2(

)

Serving Carlisle, IN 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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Radon Detection and Reduction questions, answered by experts

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.

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

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.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

The Carlisle, IN 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.