Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Ottawa, OH

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: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</p></div>

Q: Can you remediate radon yourself?

• <div><p>There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.</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 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>

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Ottawa, OH?

Select your specific project to find the pro for you.

Verified Reviews for Radon Detection And Reduction pros in Ottawa, OH

*The Angi rating for Radon Detection And Reduction companies in Ottawa, OH 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 Ottawa, OH 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 24, 2026

Reviewed in March 2026
Alex, Josh, Dakota, and Sam with the amazing crew they had at our home did an amazing job and went above and beyond for us. Definitely will be reaching out to them if I need any more repairs!
Victors Home Solutions - Toledo
Request a quote
Reviewed in September 2024
Wilson was a very fast and detailed worker. He always communicated back to me in a timely and professional manner. He was able to match exactly what our other garage floor had. Would definitely recommend!!
FloorTech
Request a quote
Reviewed in August 2024
Valkyrie Ventures has been a great asset to our snow removal team at Croy's Mowing, Ltd. We hold high standards for the services we provide, and he consistently meets them. The work is always done promptly and with care, ensuring our properties look well-maintained, even during winter. We're...
Valkyrie Ventures
Request a quote
Reviewed in July 2024
They was on time very respectful of the property did amazing work and communicated very well through the whole process I would definitely recommend these guys.. they even went to extra mile and blew off the driveway and sidewalk
The Green Guys Lawn Services
Request a quote
Reviewed in April 2024
Roberts team was very friendly and communicated everything that was wrong what needed done to fix the issue. They fixed my plumbing issues which ended up being a big job of tearing up my concrete patio and replumbing under the house to my well and fixing the problems caused by previous...
ROBERTS SEWER SVC
Request a quote
Reviewed in December 2023
Everything went well the crew were very nice and communicated with me daily I was here for the last few hours of the repairs and they all explained each person was doing the forman Juan went though all the steps and showed me what I needed to do after the repairs were done they did a very nice...
Everdry Waterproofing
Request a quote
Reviewed in December 2023
These guy's are great to work with. They kept me updated throughout the project and accommodated all my visions! Made sure everything was placed correctly and worked properly before leaving.
B&J Contracting
Request a quote
Reviewed in March 2023
It went great he was a friendly and nice guy to talk to and did a awesome job.
Warnimont Pressure Washing
Request a quote
Reviewed in February 2023
Great guy and knows what he is doing!
High-Quality Construction
Request a quote
Reviewed in September 2022
James was friendly and answered all my questions and what he had to do to take care of the problem that I had. He did fast and clean work. What I had was a emergency job and he got there and got to it as soon as possible. Thank you James. If it ever come down to it again with a problem on my...
Pride Custom Construction
Request a quote

Find Radon detection and reduction specialists in Ottawa

Security First Home Inspections & Remediation

4.8(

)

Serving Ottawa, OH and surrounding areas

Free estimates

Credit card accepted

"I just put a brand new roof on my home and i called a security first inspection to come out and make sure it was done properly and he found major issues with the ventilation the roofers put on so it was worth my money to call someone out that did identify problems and i got it straightened out before it caused an issuea,"

Recommended by100%of homeowners

Request Quote

JLW Roofing

New to Angi

Serving Ottawa, OH and surrounding areas

In business since 2022

Credit card accepted

Bob's Handyman Service LLC proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

Request Quote

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.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

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

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

The Ottawa, OH 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.
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.
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.
Amy Freeman
•
Apr 9, 2026Apr 9, 2026
What You Need to Know Before Refinishing a Basement
Thinking about refinishing your basement? A bit of planning can go a long way. Here's everything you need to know to get started.
Audrey Bruno
•
May 2, 2026May 2, 2026
Can a Homeowner Install a Radon Mitigation System?
Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.
Rachel Hoffman
•
May 2, 2026May 2, 2026
9 Reasons You Should Get a Home Inspection
A home inspection is an investment in your property's health and longevity. Discover why a home inspection is important even if you don’t plan to sell.