Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Shaver Lake, CA

Q: Do air purifiers help with radon?

• <div><p>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.</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 long does radon mitigation take?

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

Q: Do radon mitigation systems come with warranties?

• <div><p>Yes, many systems include warranties for performance. Confirm terms with your installer.</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 Shaver Lake, CA

*The Angi rating for Radon Detection And Reduction companies in Shaver Lake, CA 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 Shaver Lake, CA 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 May 18, 2026

Reviewed in May 2026
Normally Angi’s isn’t very reliable but Mendoza was very good, on time, and thorough.
Mendoza Tree Service, Inc.
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Reviewed in October 2025
Yardgnome services is awesome. They are professional, they go above and beyond with their services, they are hard working and attentive to the customers needs. They are a fantastic company with excellent customer care services.
Yardgnome Services
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Reviewed in November 2024
Crown did a great job repairing my roof that was damaged by snow and ice!
Crown Roofing and Coatings
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Reviewed in June 2024
6 years ago I had almost given up hope of getting solar after another company told me our roof wouldnâ t work with solar. RJ and S.N. worked their magic by bringing different companies together to create a package that included the right roof surface, solar, and an efficient pool pump. To this...
Solar Negotiators
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Reviewed in September 2023
Wareâ s responded quickly to my request for heater service. My 13 year old forced air system has not been checked out for years and I needed a new thermostat installed. Randy was easy to communicate with and arrived on time. I am very happy with his knowledge and professionalism and he did a...
Ware's Quality Air, Inc.
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Reviewed in August 2023
Andrew came and was nervous at first to get up on the steep roof at first. He how ever didn't give up and was up and down the roof multiple times replacing screws approx 250. He also removed a few branches on a tree that were touching the roof. He spent most of the morning working for us. I will...
Waterproof Roofing LLC
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Reviewed in March 2023
Tim Seeley and his crew did an awesome job painting the interior of our home. We are very happy with the results. We highly recommend his painting service.
Seeley's Quality Painting
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Reviewed in August 2022
Tommyâ s crew is exceptional and pays attention to detail. I couldnâ t be happier with the job they did and Tommy kept me up to date during the job on our summer cabin. The cleanup was perfect - not one drop of paint where it wasnâ t supposed to be and all cracks and corners painted...
Tommy's Paint Company
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Reviewed in August 2022
The weâ re on time, did the job very professionally, cleaned up there mess and called back to make sure the work was complete and done correct to my expectations
Keyes Drywall & Painting
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Reviewed in May 2021
Came with his son. Diligent and thorough.
J & C Cleaning and Janitorial
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Find Radon detection and reduction specialists in Shaver Lake

MG Remediation, Inc.

3.3(

)

Serving Shaver Lake, CA and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: Quick response

"Peter and his team at MG Remediation are professionals. They did everything they told me they would do and the radon levels dropped significantly. Great communication, too, which always matters."

Response time4 days

Recommended by80%of homeowners

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A.K.I.I.

New to Angi

Serving Shaver Lake, CA and surrounding areas

In business since 2003

Free estimates

K.T.W. Land Development provides local area consumers with superior quality land development and construction services. With years of experience in the industry, you can be sure your project will be handled promptly and professionally. Call K.T.W. Land Development today to schedule an appointment for your project estimate!

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Radon Detection and Reduction questions, answered by experts

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.

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

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

Yes, many systems include warranties for performance. Confirm terms with your installer.

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

The Shaver Lake, CA 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
•
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.