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

Q: What if radon is still high after mitigation?

• <div><p>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.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

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: 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 often should you replace a radon fan?

• <div><p>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.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Ethel, 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 Ethel, 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 November 11, 2025

Reviewed in November 2025
They did an amazing job cutting down my tree and removing all the debris. They were very professional, great communication, and the price was great. I would hire them in the future and plan to do so.
Stephanie's Housekeeping & Landscaping
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Reviewed in May 2025
Perfect! Bruce and Seth were both very professional and experienced. Bruce was prompt and great at communicating. Bruce was able to explain the different paint products and help us make the right for our house. The house looks incredible. We would definitely hire them again and highly recommend...
Bruce W. Nichols Painting
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Reviewed in March 2025
Thought I'd mention this since we had so much trouble finding someone! If you?re having trouble getting a logging company to remove some trees from your property, call Ronald Tikka of Tikka Timber Falling 360-553-8131. We tried three different logging companies and got no callbacks. All...
Tikka Timber Falling LLC
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Reviewed in February 2025
ABJ Appraisal Service was very responsive and accommodating to our needs. They are very personable and respectful of the tenants of the property. They produced an accurate and professional product in the short time frame we were in. In one word their service was ?exceptional?. ABJ Appraisal is...
ABJ Appraisals
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Reviewed in October 2024
I bought countertops and window treatments for my business and I am thrilled. Arvids uses the highest quality products, Hunter Douglas shades and Silestone countertops in my case, and all of the guidance from Arvids to pick out the products couldn’t have gone smoother.
Arvid's Interiors and Design - Abbey Carpet
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Reviewed in October 2024
David gave me a thorough, detailed, and honest inspection of my roof. He was extremely knowledgeable and I plan on using his services in the future
Pacific Performance Inc
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Reviewed in September 2024
They removed and matched and blended the pieces perfectly with weathered pieces to make the repair look flawless and blend perfectly
Capital city renovation LLC
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Reviewed in June 2024
They sprayed the ceilings of my cargo containers and it worked perfectly. They're warmer in the cold and cooler in the heat. They were prompt, professional and they cleaned up afterwards. It was expensive, but well worth the money compared to me building frame walls and installing batts of...
Spray Foam Specific, LLC
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Reviewed in February 2024
José and his crew did a great job! They did all I asked for, and my yard is just so much better. A great job trimming the shrubs and cleaning out the flower beds! They were even able to mow and edge my very wet and overgrown lawn. I will have them come back in the fall to help ‘winterize’.
N L Landscaping
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Reviewed in August 2023
I plan to sell my home. I knew I needed to reroof, but wanted a complete pitcture of any and all other things which needed attention for health and safety, or functionality, as well as what was mandatory because of code and what was optional at the moment. That's what I got. Some parts of the...
Capitol Home Inspections, LLC
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Find Radon detection and reduction specialists in Ethel

Alpha Environmental Services Inc

4.7(

134

)

Serving Ethel, WA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"I have use Alpha on a couple of my houses now. Each time, they have been very professional, timely and explain the situation very well. They present all the options and arrive as promised"

Response time1 day

Recommended by85%of homeowners

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Environmental Technology Consultants

4.9(

)

Serving Ethel, WA and surrounding areas

In business since 1997

Free estimates

"James offered some suggestions regarding our home. I am doing as he suggested to see if the recommendations eliminates the air quality and concern there may be mold. He offered inside & outside advise for venting and reroofing."

Recommended by100%of homeowners

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SWAT Environmental, Inc.

1.8(

)

Serving Ethel, 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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American Building Solution LLC

New to Angi

Serving Ethel, 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

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.

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

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.

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

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.

The Ethel, 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
•
Mar 18, 2026Mar 18, 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.
Alison Kasch
•
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.
Angi
•
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.
Amy Freeman
•
Apr 5, 2026Apr 5, 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
•
May 2, 2026May 2, 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
•
Apr 10, 2026Apr 10, 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.