Top-rated radon detection and reduction specialists.

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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: 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: Why is my radon mitigation system so loud?

• <div><p>Your radon mitigation system may be loud because it&rsquo;s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.</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>

Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in New Haven, MO

*The Angi rating for Radon Detection And Reduction companies in New Haven, MO 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 New Haven, MO 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 28, 2026

Reviewed in March 2026
Trapper Joe could have came to my house and do what he said he would probably do and charge me way more but instead he listened to what I thought was a bird and he said no it is more than likely electrical and it turned out to be an old carbon monoxide alarm with really old batteries in it. ...
Trapper Joe's Nuisance Wildlife Control
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Reviewed in April 2025
Our roof lost shingles during the recent storms which resulted in a leak. I found Mathis through Angi and I’m so glad I did. The guys came out on a Sunday to replace the shingles. They were super polite and professional and did a great job. I will definitely use their services again when...
MATHIS SIDING AND EXTERIOR FINISH LLC
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Reviewed in June 2024
Tom did an amazing job and the steps needed some extra trim out due to the way they were installed. It was professional, Tom has excellent carpentry skills, promptness and customer service!
TMT Flooring
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Reviewed in May 2024
Ryan did a wonderful job. He was fast and the outcome was beautiful. I highly recommend this company and have referred both family and friends and will continue to do so.
Resurfacing Workz
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Reviewed in April 2024
After years of providing my family with reasonably priced repairs to both AC unit and furnace, we finally replaced our HVAC system. I have been using this company for over 12 years and have NEVER been disappointed. They are professional, honest and punctual. They even left no trace of all the...
ROETTERING HEATING & COOLING
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Reviewed in July 2023
Very fast and efficient. Great cleanup. Friendly service!
Route 66 Tree Services
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Reviewed in October 2022
Great. Promptly arrived and diagnosed the problem. Fixed it with parts in the company van. Very efficient and affordable service.
Arrow Mechanical
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Reviewed in May 2022
I was in the market to find someone to remove old awning, haul away and install a new awning that I had purchased. I went online with Home Advisors and posted my project and no sooner than five (5) minutes I received a contact with Rachel with Innovative Shade Solutions. Very nice and pleasant...
Innovative Shade Solutions, LLC
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Reviewed in December 2021
Out standing Jason tech the best showed and explained every thing told me what I should do and what to look for been using them for 13 years the best Heating and Cooling company out there
Martin Jetco Heating and Air Conditioning
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Reviewed in November 2021
(garbage disposal replacement) He was prompt, efficient, reasonably priced, thorough, and left the space clean after completing the project. He had all the tools needed and the knowledge and confidence to complete the job. I will not hesitate to hire Jeramey again when I have another project.
Crafty Jay's handyman services
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Find Radon detection and reduction specialists in New Haven

ATM Home Inspection, LLC

4.8(

)

Serving New Haven, MO and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Time will tell but seemed knowledgeable, they were very informative for us during the inspection and before and their report is well laid out with all that they reviewed including relevant pictures (with arrows, circles on important parts)."

Response time50 mins

Response rate88%

1 neighbors recently requested a quote

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Braun's Inspection Consultants

4.7(

)

Serving New Haven, MO and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Professional and timely service provided. A thorough review by James."

Recommended by100%of homeowners

Serving New Haven, MO and surrounding areas

In business since 2005

Free estimates

Mid MO Inspectors will provide you or your business with a full service approach to all your inspection needs. Please feel confident in contacting Mid MO Inspectors for your next inspection.

Recommended by100%of homeowners

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Armistead Contracting

3.5(

)

Serving New Haven, MO and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"They showed up early and did a gteat job. They cleaned up everything after they were done!"

Response time2 days

Recommended by71%of homeowners

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Radon Detection and Reduction questions, answered by experts

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.

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).

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

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 soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

The New Haven, MO 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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•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
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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.
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•
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.
Kyle Schurman
•
Apr 8, 2026Apr 8, 2026
How Long Does a Radon Mitigation System Last?
How long does a radon mitigation system last? A properly installed and maintained system can last 20 years or more, but various issues can reduce the life span.
Audrey Bruno
•
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.
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Thinking about refinishing your basement? A bit of planning can go a long way. Here's everything you need to know to get started.