Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Eugene, OR

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Eugene, OR?

Select your specific project to find the pro for you.

Verified Reviews for Radon Detection And Reduction pros in Eugene, OR

*The Angi rating for Radon Detection And Reduction companies in Eugene, OR 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 Eugene, OR 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 January 05, 2026

Find Radon detection and reduction specialists in Eugene

Avatar for Nordic Service Group, LLC
Nordic Service Group, LLC
5.0(
4
)

Serving Eugene, OR and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Chris was fantastic to talk to about what he checks for during the inspection and what i should expect to see on his report. Chris was on time, incredibly thorough and detailed. I highly recommend him to anyone looking for a great home inspector."
Response time3 hrs
Response rate92%
36 neighbors recently requested a quote
Request Quote
Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
71
)

Serving Eugene, OR and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"John's water proofing gave me a reasonable quote. And they did an awesome job. I will recommend them again."
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

Response time6 hrs
186 neighbors recently requested a quote
Recommended by93%of homeowners
Request Quote
Environmental Testing & Training NorthWest
4.0(
1
)

Serving Eugene, OR and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"The company rep collected site samples quickly ... in and out in about 20 minutes. And, the company turned the report around in two days. The service was a pricy, mostly due to the fixed call-out fee. The cost per sample was higher than one other instance that I know of but not unreasonable."
Response time12 hrs
Recommended by100%of homeowners
Request Quote
Avatar for All around Property Testing LLC
All around Property Testing LLC
New to Angi

Serving Eugene, OR and surrounding areas

In business since 2021

Emergency services offered

Small jobs welcome

Veteran-owned and certified in mold, lead, water, and environmental property testing. We serve Cottage Grove and surrounding areas with fast EMSL lab results, affordable pricing, and reliable local service.

Request Quote
All Corners Home Inspections
New to Angi

Serving Eugene, OR and surrounding areas

In business since 2014

Free estimates

Emergency services offered

All Corners Home Inspections is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time1 day
Request Quote
Radon Detection and Reduction questions, answered by experts

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

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.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

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 Eugene, OR 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