Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near White Salmon, WA

Q: Is a radon mitigation system expensive to run?

• <div><p>The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.</p></div>

Q: Do radon mitigation systems decrease home value?

• <div><p>No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.</p></div>

Q: Why is radon detection important for residential properties?

• <div><p>Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.</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: 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 White Salmon, WA

*The Angi rating for Radon Detection And Reduction companies in White Salmon, 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 White Salmon, 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 September 15, 2026

Reviewed in September 2026
Noah did lawn and general farm work around our 23 acre home. His performance was always excellent. He followed instructions carefully and asked questions when in doubt. He was a good employee
Know-A-Guy Landscaping
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Reviewed in July 2026
Having built multiple homes, I’m very particular about materials and workmanship. We hired Cascade Fence and Deck to replace our deck railing and maximize our Mt. Hood and Gorge view. From design through installation, the experience was excellent. Jed ensured everything was specified correctly,...
Cascade Fence & Deck
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Reviewed in March 2026
Manny and his team have done great work with general maintenance, yard and long cleanup, and planting a couple of things now and then. We're really happy with this work, it's a good value.
Manny's Property Maintenance, LLC
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Reviewed in October 2025
Eric and his crew did a phenomenal job removing a total of 3 diseased pine trees which towered above surrounding fir trees. Two of the three 120 ft pines were leaning dangerously, posing a major threat to property and persons. Thank you, again, Eric.
E&S Tree Service
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Reviewed in May 2025
Kai is very hard working and reliable. He built a trellis system for raspberries and blackberries that is both attractive and solid. He left the site clean and organized. Really appreciated his attention to detail and thoughtfulness.
ENVISION RENOVATION, LLC
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Reviewed in November 2024
They were quick to show up and fixed the leak. Very satisfied!
C&C Roofing Exteriors Inc.
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Reviewed in March 2024
Happened upon his skills and knew he was perfect for the job. I had a vision in my head of a gift for a family member. He took the vision in my head and made it a perfect reality. Could not have been better. His work was flawless and his attention to small details showed. Would totally...
JP custom
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Reviewed in December 2023
Victor did a fantastic job removing our backsplash and repairing the drywall.
Wolfpack Construction LLC
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Reviewed in November 2023
Tony went above and beyond the job description! Not only did he grade and compact my road as we initially discussed. He also happily helped me move and spread the gravel that the dump truck was unable to spread (due to heavy rain). I would highly recommend using Tony for your next excavation...
Legendary Dirt Diggers
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Reviewed in July 2023
Caleb is exceptionally talented. My completed fence is beautiful. Much more than I was expecting. His keen eye for detail is exquisite. He is professional, kind, efficient, and knowledgeable. He works hard, and ensures customers are pleased with the finished product. His strong work ethic,...
Tier One Construction
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Top-Rated Radon detection and reduction specialists in White Salmon - Updated Nov 2026

Alpha Environmental Services Inc

4.7(

134

)

Radon Gas - AbatementRadon Gas - Testing

Serving White Salmon, 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

Response rate100%

Recommended by85%of homeowners

Serving White Salmon, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Owned and operated 21 years. We provide Hydro Jetting, Camera inspections, and Radon testing. We have a small crew of 3 and take great pride in our work

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Gorge Quality Home Inspection

5.0(

)

Radon Gas - Testing

Serving White Salmon, WA and surrounding areas

In business since 2019

"Greg is always prompt in responding to scheduling and has a quick turnaround on reports too. I like his reports because they have plenty of pictures and he takes the time with buyers to answer any questions whether it be on site or following up on the report."

Recommended by100%of homeowners

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SWAT Environmental, Inc.

1.8(

)

Radon Gas - Abatement

Serving White Salmon, 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 FAQs, answered by experts

The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

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

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 White Salmon, 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.
Alison Kasch
•
Oct 30, 2026Oct 30, 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
•
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.
Amy Freeman
•
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.