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*The Angi rating for Radon Detection And Reduction companies in Green Bay, WI 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 Green Bay, WI 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 July 19, 2026

Find Radon detection and reduction specialists in Green Bay

Avatar for Lifetime Home Services
Lifetime Home Services
4.9(
110
)
Radon Gas - AbatementRadon Gas - Testing

Serving Green Bay, WI and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"It went great. I highly recommend them. They were a pleasure to deal with. The person that came out for the estimate answered all of my questions. The estimate was fair. The work was done on schedule and with no problem. At completion, everything was explained to me. I used their electrician which worked out fine. After completion the radon test showed that my level was now undetectable."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time2 days
Response rate100%
2 neighbors recently requested a quote
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Avatar for Fox Valley Radon LLC
Fox Valley Radon LLC
4.9(
15
)
Radon Gas - AbatementRadon Gas - Testing

Serving Green Bay, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Warranties offered

Small jobs welcome

"MIke was a breeze to work with and very knowledgeable when it came to testing our home for radon. Super impressed by his professionalism!"
Brick Exterior Radon Mitigation
Exterior Radon Mitigation
Brick Exterior Mitigation
Exterior Radon Mitigation
Exterior Radon Mitigation

+8

Response time2 days
4 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for A-Max Home Inspections, LLC
A-Max Home Inspections, LLC
4.8(
21
)
Radon Gas - Testing

Serving Green Bay, WI and surrounding areas

In business since 2014

"I met Ryan Amundson 2 yrs ago when my mom hired him to do a home inspection. Since then, my daughter, my son, and myself have all hired him to do home inspections on our new home purchases. He is AWESOME! Very professional! He is very thorough but still personal. Even when I interrupt him with my many questions, he is always willing to take time to explain things, show me items, and give me advise. His reports are easy to understand and always accompanied by great photos of any issues. I would highly recommend A-MAX and Ryan Amundson. You wonâ  t be sorry!"
Home Inspections Pics
Home Inspections Pics
Home Inspections Pics
Home Inspections Pics
Home Inspections Pics

+4

Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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 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.

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

The Green Bay, WI homeowners’ guide to radon detection and reduction services

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