Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Underwood, IA

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: Is it okay to live in a house with radon?

• <div><p>Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</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: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Underwood, IA

*The Angi rating for Radon Detection And Reduction companies in Underwood, IA 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 Underwood, IA 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 August 19, 2026

Reviewed in August 2026
The job was done professionally by respectful and professional roofers. They did a great job and made sure everything was cleaned up when they were done. They answered all of my questions. They came back later and brought me flowers. I would highly recommend Hansens !!
1-800-HANSONS (Omaha Exteriors)
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Reviewed in August 2026
Amazing work!!!! Efficient, and very clean!
OG & E Construction LLC
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Reviewed in October 2025
He is very knowledgeable and fixed it right there and then and explains what es doing. VERY informative.
A Quick Fix Heating and Air
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Reviewed in August 2025
Great job! Devon and Joel removed two very large trees and trimmed another large tree. Also removed the stumps and cleaned the area. I highly recommend Veteran Owned Tree Removal company to anyone needing tree services. They were professional and very reasonably priced. Thank you!!!
Veteran Owned Tree Removal
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Reviewed in April 2025
I recently hired American Arborist for a large tree removal project, and I couldn’t be more impressed with the entire experience. From the first phone call to the final cleanup, their team was professional, efficient, and incredibly knowledgeable. We had a towering oak that was not only...
American Arborist
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Reviewed in January 2025
Very happy with this company. Steve went above and beyond when I had concerns about my water's PH and had it tested by a lab. They also were able to schedule and install my water softener quickly and did a great job. Price is very reasonable.
Convenient Water Treatment
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Reviewed in September 2024
I am so happy with the outcome of my fence installation. I chose the black chain link fence and it looks beautiful and enhances my property. Oscar is a top notch guy. I love talking with him and kidding around. Oscar and his men, Josh and Manuel did excellent work and were very friendly and...
Hawkins Fencing
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Reviewed in November 2023
Exceptional tree service. Arrived slightly ahead of appointment time (which is GOOD) and the remainder of the team showed up with equipment ten minutes later. Work was done professionally and efficiently. Clean-up was far more meticulous than I ever could have expected and you couldn't tell...
Amanco Tree Services
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Reviewed in July 2023
Husker Hardwood has perfected their craft and we were delighted with the outcome of their work. They refinished and patched our existing floor and installed new hardwood throughout the rest of the house. Great care was taken to match the existing white oak grade and mill lot to our existing...
HUSKER HARDWOOD FLOORS
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Reviewed in April 2023
This company is absolutely amazing!!! Starting with the owner, to the inspector, to everyone on the work crew. Before filing a claim for storm damage, I decided to have three companies come out to do a roof inspection. Rick is the inspector who came out for Goodlife Exteriors and Contracting....
Goodlife Exteriors & Contracting
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Find Radon detection and reduction specialists in Underwood

National Radon Defense Midwest

4.7(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Underwood, IA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"National Radon Defense Midwest employees were very knowledgeable and helpful. As we were selling our house we discovered that we had high radon readings and needed to mitigate the problem. They explained to us the process and clearly identified what they would recommend to resolve the issue. We thought it was very reasonably priced and feel confident intheir products, staff and installation"

Crawlspace Encapsulation with Radon Mitigation

+15

Response time1 day

41 neighbors recently requested a quote

Recommended by96%of homeowners

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Milledge Construction

4.9(

)

Radon Gas - Abatement

Serving Underwood, IA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Professional installation…quick reduction of radon gasses…reasonable cost"

Response time7 hrs

Response rate94%

89 neighbors recently requested a quote

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SWAT Environmental, Inc.

4.5(

)

Radon Gas - Abatement

Serving Underwood, IA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"They did a great job with the installation and made sure the Radon was under the level it needed to be. He had to make a couple of trips to make that happen but was very polite and profession through the whole process."

Response time1 day

Recommended by100%of homeowners

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Home Sweet Home Inspect Iowa Facebook

4.8(

)

Radon Gas - Testing

Serving Underwood, IA and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Luis was very polite and professional! He explained the issues so I could understand. I would absolutely recommend him to others!"

+11

Response time3 hrs

Response rate88%

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

Installation typically takes 1-2 days, depending on the system and property layout.

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.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

The Underwood, IA 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
•
Sep 28, 2026Sep 28, 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
•
Sep 23, 2026Sep 23, 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.