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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>

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</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: How much electricity does a radon mitigation system use?

• <div><p>The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from <b>$30 to $300 per year</b>, again depending on the size of the fan.</p></div>

Q: Can I install my own radon mitigation system?

• <div><p>A <a href="https://www.angi.com/articles/can-homeowners-install-radon-mitigation-systems.htm">homeowner can install a radon mitigation system</a> on their own. But it&rsquo;s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Oglesby, IL

*The Angi rating for Radon Detection And Reduction companies in Oglesby, IL 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 Oglesby, IL 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 24, 2025

Reviewed in August 2025
We had a large mulberry tree that needed to be removed, and Cutting Edge Tree Service did an amazing job! They were incredibly nice, efficient, and affordable. The crew went above and beyond, and we will gladly recommend them to anyone needing tree service.
Cutting Edge Tree Service, LLC
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Reviewed in September 2024
I recently had Dixon Superior Painting install an epoxy floor with gold flakes in my Tshirt shop, and I couldn't be happier! The team was professional and attentive throughout the process. The craftsmanship is outstanding, and the gold flakes add a touch of elegance to the space. The floor...
Dixon Superior Painting, LLC
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Reviewed in August 2024
After a fallen tree had taken out our gutters. We contacted Elite Seamless Gutter Inc., who came out the very next day to evaluate and price the damage. JOHN took the time to answer my questions with all the options from repair to replacement. After further consideration and explanation, they...
Elite Seamless Gutters, Inc.
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Reviewed in November 2023
Provided quick tree removal when we needed it. Professional and checked in on arrival and before leaving each day. Completely cleaned up at the end of each tree removal.
Peace Tree Care, LLC
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Reviewed in June 2023
My experience couldn't have went any better! I've never been happier with a company's service and attention to detail. The cleaners were friendly, efficient and even cleaned things that weren't on the checklist. I'll definitely be using this company again!! Thank you Consider It Done Crew!!!!
Consider it Done
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Reviewed in April 2023
Three trees were perfectly trimmed and shaped Terrific Job Debris was hauled away yard was immaculate after clean up. Dave jr and Dillon and crew worked well and hard
Stuart Tree Services
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Reviewed in January 2023
Fast and efficient. A & K worked with me to get the best fence for my budget. Very friendly and customer service was above and beyond. Definitely recommend!!!
A&K Decking Fencing and More
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Reviewed in January 2023
Amazing, Cleaningaholic got my home back looking and smelling great. I did not find any missed spots and the servicer was very nice. If you’re looking for a cleaning service this is the one!
The Cleaningaholic
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Reviewed in December 2022
Highly recommend!!!!!! Dale and crew came out and worked the entire time they were here. Very responsive to the branches I wanted cut, and pruned my 100 year old maple tree, 80 year old sycamore, trimmed oak and linden trees. They communicated quickly and cleaned up after themselves. I would...
Recreational Lumberjack, LLC
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Find Radon detection and reduction specialists in Oglesby

Stuedemann Radon Resolutions

4.7(

273

)

Serving Oglesby, IL and surrounding areas

Approved

In business since 1988

Free estimates

Customers say: Quality work

"Dave was on time, courteous and quietly and efficiently did high quality work. We still need to do the radon test but definitely happy with the quality of work. Will update the review once we have been able to complete the independent radon testing. Thanks!"

+11

Recommended by99%of homeowners

Serving Oglesby, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"as above. spent over an hour inspecting and testing"

Response time1 day

Response rate100%

25 neighbors recently requested a quote

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Timmit Radon Systems, Inc.

4.7(

)

Serving Oglesby, IL and surrounding areas

In business since 1996

Free estimates

Warranties offered

"He was extremely helpful and went above and beyond other organizations. He wasn't the cheapest option, but he did very good work. Very accommodating."

+20

Response time8 hrs

Recommended by100%of homeowners

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Stuedemann Radon Resolutions

New to Angi

Serving Oglesby, IL and surrounding areas

In business since 1988

Free estimates

Stuedemann Radon Resolutions is a husband and wife team committed to providing expert personal radon-related services to the communities we serve, and is committed to providing all services in accordance with the requirements of the Radon Industry Licensing Act 32, Illinois Administrative Code 422, Licensing of Radon Mitigation Services, and our Quality Assurance Program (QAP). Compliance with our policy is mandatory for all Stuedemann Radon Resolutions, employees involved in radon-related services or practices.\nThe Stuedemann Promise:\nLife-time guarantee on workmanship & unconditional system success; Follow tradition of our 25-year commitment to use of only quality materials; fan manufacturer offer of 5 year warrantee on fan parts; system designed for all lowest-level conditions: basement, crawlspace, slabs; unconditionally guaranteed to reduce radon levels to below 4.0 pCi/L; family-owned and operated construction company since 1985; free estimates and fully insured.

Response time7 hrs

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Fowler Home Inspection Services

2.3(

)

Serving Oglesby, IL and surrounding areas

Emergency services offered

Credit card accepted

Recommended by25%of homeowners

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Radon Detection and Reduction questions, answered by experts

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.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

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 average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

The Oglesby, IL 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.

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How Much Does a Radon Mitigation System Cost? [2026 Data]
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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.
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•
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.
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•
Apr 10, 2026Apr 10, 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.
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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.