Top-rated radon detection and reduction specialists.

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Q: What are the health risks associated with radon exposure in homes?

• <div><p>Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.</p></div>

Q: How long does it take to see test results?

• <div><p>A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won&rsquo;t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed. </p></div>

Q: Do air purifiers help with radon?

• <div><p>The short answer is no, air purifiers do not help with radon. While they certainly can improve the <a href="https://www.angi.com/articles/how-much-does-indoor-air-quality-testing-cost.htm">air quality</a> of your home, they only clean pollutants from the air. Radon is radioactive, and it isn&rsquo;t affected by the same filtration systems that handle other airborne particles, like dust and mold. The only thing that works is a radon mitigation system.</p></div>

Q: How often should I get radon testing done in my home?

• <div><p>You should have a professional test for radon every <b>two to five years</b>. A good rule of thumb is to get testing done every five years if you&rsquo;ve never had an issue before and every two years if you have. You may also want to schedule testing if you notice symptoms of radon exposure or if you do intermittent DIY radon testing and notice changes in your levels between tests. If you have an active radon monitor, you can schedule testing if you notice levels increasing over time.</p></div>

Q: Why is radon testing important?

• <div><p>Radon is a colorless, odorless gas that can cause lung cancer; testing ensures safe indoor air quality.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Ferndale, CA

*The Angi rating for Radon Detection And Reduction companies in Ferndale, 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 Ferndale, 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 December 13, 2025

Reviewed in September 2025
Brandon and his crew worked with me to build a 25 year dream I had in my head. His professionalism and fabrication skills were incredible. They installed a retainer wall, 58 yards of concrete complete with grading and base, increased my concrete front porch along with incidentals. Then Brandon...
Unique Outdoor Creations LLC
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Reviewed in February 2025
Dave was very communicative and professional. The work was done efficiently and in a timely manner! Would recommend Doge Roofing again!
Dove Roofing and Solar
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Reviewed in July 2024
Hiring Steve was the best decision we ever made for our project at our house. His understanding and experienced carpentry skills made the design fit and finish really came out exceptional. His creativity along with communication made it easy to work with, and I would definitely hire him again
New Moon Millworks
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Reviewed in May 2024
Fantastic service from a locally owned and operated Veteran-owned company. The knowledge that Anthony, Richard and Albert possess is extensive. We have been with T3 Mechanical since they opened their doors and I am honored to say weâ ve NEVER been let down. These guys have the best techs-...
T 3 Mechanical, LLC
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Reviewed in April 2024
The Oleaâ s did more than help me design a custom arbor and pergola for my front yard. They helped me design and build custom fences, remodeled a bathroom and helped in the construction of a mother in law unit and a beautiful greenhouse. The entire family are talented craftsmen. I highly...
Olea's Home Services - Unlicensed Contractor
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Reviewed in February 2024
Excellent customer service, professional, and fast!
HARD WIRE ELECTRICAL
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Reviewed in June 2023
Called last minute and needed someone at the house the next day. He arrived early and was done within the hour!
Home Team Electric
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Reviewed in November 2022
Brian and team is very helpful and Reasonable. Recommended and will work with them again..
Hess Development, Inc.
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Reviewed in March 2022
Very responsive and professional. They were friendly and I’d call them back for sure!
Don Williams Landscape and Tree Service
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Reviewed in April 2021
Randy was very easy to talk to and made sure that all my concerns were addressed. He even pointed out some other deficiencies and asked if I wanted him to take care of them. He was very patient and easy to talk to. Thank you Randy.
RJL, Inc. DBA RL Millwork and Finish Carpentry
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Find Radon detection and reduction specialists in Ferndale

Heartland Environmental Services

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Heartland Environmental Services

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Free onsite estimate

Heartland Environmental Services serves the entire Tulare area with the best environmental services available. We are a multi-functional inspection, remediation and restoration company that offers the best service at competitive prices. Any form of environmental damage you have experienced on your property, whether residential or commercial, is our specialty; from mold damage to stagnant water, fire and smoke, or any other harmful substances or environmental factors. Our website offers more information on the services we offer, as well as information on the negative affects of mold and other environmental hazards. You can also contact a customer service representative Monday through Friday, 8am to 5pm, who can answer any specific questions you may have, as well as schedule an appointment with one of our technicians.

Environmental Testing & Research Laboratories, Inc

4.85(

347

)

Environmental Testing & Research Laboratories, Inc

4.85(

347

)

Customers say: True professional

Recommended by 93% of Angi customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won’t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed.

The short answer is no, air purifiers do not help with radon. While they certainly can improve the air quality of your home, they only clean pollutants from the air. Radon is radioactive, and it isn’t affected by the same filtration systems that handle other airborne particles, like dust and mold. The only thing that works is a radon mitigation system.

You should have a professional test for radon every two to five years. A good rule of thumb is to get testing done every five years if you’ve never had an issue before and every two years if you have. You may also want to schedule testing if you notice symptoms of radon exposure or if you do intermittent DIY radon testing and notice changes in your levels between tests. If you have an active radon monitor, you can schedule testing if you notice levels increasing over time.

Radon is a colorless, odorless gas that can cause lung cancer; testing ensures safe indoor air quality.

The Ferndale, 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

Angi
•
Oct 20, 2025Oct 20, 2025
How Much Does Indoor Air Quality Testing Cost? [2025 Data]
Discover the average indoor air quality testing cost, what impacts pricing, and how to budget for healthier air in your home.
Angi
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Oct 17, 2025Oct 17, 2025
How Much Does Radon Testing Cost? [2025 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.
Alison Kasch
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Dec 2, 2025Dec 2, 2025
How Much Does Radon Remediation Cost? [2025 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.
Amy Freeman
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Dec 17, 2024Dec 17, 2024
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.
Angi
•
Oct 18, 2025Oct 18, 2025
How Much Does It Cost to Replace a Radon Fan? [2025 Data]
Find out the average cost of radon fan replacement, key price factors, and ways to save. Get expert tips to budget for your radon mitigation system.
Audrey Bruno
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Nov 26, 2025Nov 26, 2025
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.