Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Tenino, WA

Q: What is considered a safe or dangerous level of radon?

• <div><p>No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.</p></div>

Q: How long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</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: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Tenino, 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 Tenino, 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 August 26, 2026

Reviewed in August 2026
I received a quick response and quote, and they were able to come out the next day! The guys were professional and friendly and did a fantastic job replacing my front door. It’s the first time I’ve used Angi and I’m impressed. I will use Thermoroom again.
Thermoroom LLC
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Reviewed in June 2026
Roger was very prompt, courteous and efficient in changing out our incomprehensible sprinkler control system for one that was simple and easy to operate. He was a lifesaver! He also examined our sprinkler heads and pointed them in the right direction. Would recommend Roger and his work.
By the Yards Landscaping
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Reviewed in April 2026
Dean was a pleasure to have as my technician. He was able to quickly detect and solve the issue I was having. Will definitely use Harts Again.
Harts Plumbers, Electricians, & HVAC Technicians
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Reviewed in February 2026
They were quick and efficient, and we couldn't be happier with the work they did. They truly went above and beyond to ensure our leak was taken care of. They also took extra time to make sure our older roof would pass inspection. Bradley was awesome! He came out the day after I spoke with him,...
M&H Services, LLC
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Reviewed in August 2025
Job was done well. They took samples, sent them off to the lab, kept me informed, abated the asbestos floor, demolished the kitchen and soffits, and stayed until the air quality test came back clear. And they were polite and hard working. Fathers and sons team. Off ice support always answered my...
Abatement Squad
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Reviewed in January 2025
Carlos and his wife were very friendly, reliable, punctual, respectful of my property and home, performed same day removal service's and went above and beyond customer satifaction. Their rate was very reasonable considered to other removal business's. Communication was thorough and consistent....
C Z P DELIVERY & REMOVAL SERVICES LLC
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Reviewed in June 2024
Chantz did a great job for me. I have a very small backyard and I needed to have 3 hazardous trees removed that were leaning towards my house. One of the trees was a big alder, and it was leaning over my house. Chantz climbed the trees and dropped them from top to bottom in my yard using rops...
CK Tree and Wood Working
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Reviewed in March 2024
I had 3 quotes for stump removal all around $450. Marty called me and said he could be here in 30 minutes and for $300. Told him to come on over. Marty and his son got right to it and were done within an hour. Very affordable, friendly and professional. Highly recommended. Thanks guys.
Bid Low Tree & Stump Service
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Reviewed in March 2024
Ryan responded quickly by phone and within the week came and started the roof cleaning. Then returned the following week to finish the job. He took the leaves and moss with him but be prepared for the mess it leaves on your vehicles and gravel.
Evergreen Roof Cleaning LLC
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Reviewed in April 2023
Cascade Fence and Deck is now in the Lacey, WA area. Tyler, Ezekiel, and Ryan from Cascade did an outstanding job on my fence. It was a large job and Tyler, Ezekiel, and Ryan were very professional, worked hard, and completed the large project ahead of time. I highly recommend them.
Cascade Fence & Deck
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Find Radon detection and reduction specialists in Tenino

Serving Tenino, WA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"I am very pleased with service from 5 Microns. They were quick to communicate, showed up on time, very professional and promptly shared the test results."

+32

Response time3 hrs

Response rate98%

Recommended by100%of homeowners

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The Home Private Investigator/Home P.I., LLC

4.7(

)

Radon Gas - Testing

Serving Tenino, WA and surrounding areas

Approved

In business since 2005

Emergency services offered

Credit card accepted

"Highly recommend hiring! Virgil was responsive, friendly, timely, very reasonable, and he sure knows his stuff! And how can you go wrong with a company name like Home PI! Would absolutely recommend working with Virgil to do testing."

Response time3 hrs

Recommended by94%of homeowners

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Environmental Technology Consultants

4.9(

)

Radon Gas - Testing

Serving Tenino, 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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SWAT Environmental, Inc.

1.8(

)

Radon Gas - Abatement

Serving Tenino, WA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

SWAT Environmental is the nation's largest radon abatement engineer. Our experienced staff has corrected radon problems for over 60,000 customers since 1988 with 100% success!

Recommended by50%of homeowners

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Diversified Crawlspace Services

3.6(

)

Radon Gas - Abatement

Serving Tenino, WA and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"Did a great job. Lowered my cost when scope of work was smaller than anticipated. I did have to take the initiative to call about establishing time for work. May have been because my job was so small. I was fitted in around other work."

Response time7 hrs

Recommended by90%of homeowners

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American Building Solution LLC

New to Angi

Radon Gas - AbatementRadon Gas - Testing

Serving Tenino, WA and surrounding areas

In business since 2014

Free estimates

Emergency services offered

Professional handyman services as well as Residential and Commercial property maintenance.\n\nWe specialize in room additions and full home remodels along with residential and commercial property electrical, plumbing, carpentry, and interior and exterior tenant improvements, re-keying, painting, landscaping, and all other property maintenance and construction services.\n\nProperty managers: we specialize in local handyman work and property maintenance needs.\n\nhttp://www.handymanintacoma.com/

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Radon Detection and Reduction questions, answered by experts

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

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.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

The Tenino, 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

Mitchell Grant
•
Sep 28, 2026Sep 28, 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.
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•
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.
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•
Sep 23, 2026Sep 23, 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.
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•
Jul 9, 2026Jul 9, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.