Top 10 Best Radon detection and reduction specialists in Asotin, WA

Q: Why is radon gas abatement necessary for homes?

• <div><p>Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.</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: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</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>

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Verified Reviews for Radon Detection And Reduction pros in Asotin, WA

*The Angi rating for Radon Detection And Reduction companies in Asotin, WA 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 Asotin, WA 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 April 16, 2026

Reviewed in April 2026
Service was above and beyond expectation! Kevin and Mark were professional and took time to explain in detail my HVAC system and the best way to operate and maintain the system. At no cost to me, they are coming back to optimize my system next week as well Mike's Mechanical is the best!
Mike's Mechanical
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Reviewed in July 2024
Removed and replaced deck. Installed egress window. Removed and replaced all roof shingles. Installed rain gutter. Removed and replaced part of soffit. All work was done in a professional and timely manner. Very meticulous in workmanship. Will definitely use this company again.
Jon Schlee Construction
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Reviewed in February 2024
Big D tree and stumps came and took down my trees fast and efficiently.
Big D Trees and Stumps LLC
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Reviewed in September 2023
Ryan and Vern were very personable. They made good suggestions to the project. They were on time and dependable and the results were excellent. The price was reasonable and fair.
Nelsen Construction Services, LLC
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Reviewed in April 2023
I had a tree that was pressing on the neighbors fence and wanted to have it taken down. E & K Services LLC came out looked at the tree and gave me an estimate. I had other tree Services come.and estimate the tree project as well. The tree was not accessible by bucket to remove, E & K came up...
E&K Services
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Reviewed in April 2023
Levi and his team were efficient and got the job done. I loved how knowledgeable they are and how they took every care to make sure my trees were cut for their health and at the same time considered what I wanted. We wonâ t be seeing anyone else, and we highly recommend this company.
Ewing Grounds Keeping
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Reviewed in March 2023
They were careful and meticulous when removing branches. They seemed efficient, and they did a good job with cleanup.
Hells Canyon Tree Surgeon, LLC
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Reviewed in February 2023
They did a great job. Cleaned gutters one time and had them do my leaves which was a big job. They are honest and and reliable. Good people. Thanks
I Got Your Back Hauling Moving Handyman Services
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Reviewed in July 2022
They immediately worked on the trouble areas , Fixed them and were out of there within an hour. I always feared electrical fires and now I am at ease.
Rock Solid Electric LLC
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Reviewed in October 2021
Technician sprayed outside of house. Fast efficient. Let me know when they got there and ensured I knew when they were done. This was my 3rd time using them and definitely not the last. Highly recommend.
NORTHERN STATES PEST & WEED
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Find Radon detection and reduction specialists in Asotin

Inland Inspections And Testing, LLC

5.0(

)

Serving Asotin, WA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Kevin was personable and took the time to explain the report to me. He was very helpful and patient with me."

Response time3 hrs

Recommended by80%of homeowners

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Advanced Radon Technologies

4.5(

)

Serving Asotin, WA and surrounding areas

In business since 1971

Free estimates

Warranties offered

"Dave first off cares about his customers health and well being. He is interested in solving your Radon issue and making sure the work is high quality. He pulls proper permitting for electrical and his support team is awesome. The other Radon company that was used did not meet specific standards in doing Radon migitgation work. Do your homework and read reviews before hiring a Radon company and check certifications: https://nrpp.info/. Dave takes his profession seriously and has a tremendous background in this work. I highly recommend Advanced Radon Technologies."

+11

Recommended by100%of homeowners

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Environmental Technology Consultants

4.9(

)

Serving Asotin, WA and surrounding areas

In business since 1997

Free estimates

"They were very honest & told us we didn't have black mold and needed a dehumidifier. I would very certainly recommend them for their honesty"

Recommended by100%of homeowners

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K&K Consultants Home Inspections & More

4.9(

)

Serving Asotin, WA and surrounding areas

In business since 1999

Free estimates

Offers commercial services

"Same day appointment, very knowledgeable and thorough. Cares about costumers and takes the time to explain the inspection results and answer questions with honesty. I can can assure that this company will not rip you off. I highly recommend!!!!"

Response time7 hrs

Recommended by100%of homeowners

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SWAT Environmental, Inc.

1.8(

)

Serving Asotin, WA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"The work was fine, I haven't retested yet."

Recommended by50%of homeowners

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Radon Detection and Reduction questions, answered by experts

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

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).

Installation typically takes 1-2 days, depending on the system and property layout.

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 Asotin, WA 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

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•
Mar 18, 2026Mar 18, 2026
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•
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