Top-rated radon detection and reduction specialists.

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Q: How long does testing take?

• <div><p>Sampling typically takes 1-3 hours, and depending on the provider, lab results are available within 2-7 days.</p></div>

Q: What would cause radon in a house?

• <div><p>The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.</p></div>

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: 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 do property size and test types influence indoor air quality testing expenses?

• <div><p>Costs depend on property size, test types, and additional services like mold sampling.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Alamo, TX

*The Angi rating for Radon Detection And Reduction companies in Alamo, TX 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 Alamo, TX 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 03, 2025

Reviewed in August 2016
Aqua Clear Pools owner came to meet with me and check status of pool. He took water samples and explained the options for correcting the issues. He was straight forward about prices for each option. Throughout the process, I received updated information on the status of the pool and even photos...
Aqua Clear Pools
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Reviewed in September 2014
Let me begin by saying, that from the very first contact with this company, and its owner, Mr. Silva, I have never been treated with such kindness, professionalism, and courtesy. He was always prompt, when he said he would be at my home at a certain time he was; if he said he would reply with a...
A & V Roofing Co LLC
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Reviewed in April 2014
Returned my call the same day I contacted them. Gave us an estimate and didn't charge a penny more. If there's a leak, Gus will find it and repair it. Gave us information and fixed several other problems at no charge. We are very happy with the service and will definitely use this company...
AAA POOL LEAK DETECTION
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Reviewed in October 2013
Their staff was polite and professional. As a result of using their program combined with budgeting and debt reduction my credit score went up almost 100 points which enabled me to buy my home and a new car. I am happy to report I have an accurate credit report and repaired my credit with Fresh...
Fresh Start Credit Restoration & Repair
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Reviewed in June 2009
I had a terrible experience with Flamingo Pools. I would avoid this company and its owner Dennis Gomez if you do not want this happening to you. I paid the owner Dennis with cash for a pool cover in November because he insisted I pay him in cash. Months passed and he did not give me the...
Flamingo Pools Intl Ltd
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Lopez Plumbing

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Lopez Plumbing

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Professional plumbers located in Mission, Tx. Our specialties range from unclogging drains to installing copper pipes for large commercial business. Our staff are friendly and eager to help any customer. We offer quality service and strive to be honest about our prices.

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

Sampling typically takes 1-3 hours, and depending on the provider, lab results are available within 2-7 days.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

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.

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.

Costs depend on property size, test types, and additional services like mold sampling.

The Alamo, TX 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
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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.
Amy Freeman
•
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.
Jacqueline DeMarco
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Dec 12, 2024Dec 12, 2024
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
•
Nov 21, 2024Nov 21, 2024
How Long Does a Radon Fan Last?
How long does a radon fan last? Depending on the quality of the fan, usage, and maintenance, a radon fan can last five to ten years.
Dan Simms
•
Mar 11, 2025Mar 11, 2025
5 Questions to Ask About Radon Gas Abatement
Radon is a radioactive gas that can enter a home from the ground. Prepare yourself for mitigation by answering these questions before hiring a pro.

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Radon Gas Abatement

Radon Gas Testing

Toxicity and Mold Removal

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Lopez Plumbing

Lopez Plumbing

Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

The Alamo, TX homeowners’ guide to radon detection and reduction services

How Much Does Indoor Air Quality Testing Cost? [2025 Data]

How Much Does Radon Testing Cost? [2025 Data]

Who Installs Radon Mitigation Systems?

What Is Radon and How Does It Get In Your Home?

How Long Does a Radon Fan Last?

5 Questions to Ask About Radon Gas Abatement

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Get matched with top radon detection and reduction specialists in Alamo, TX

Enter your ZIP and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Alamo, TX?

Radon Gas Abatement

Radon Gas Testing

Toxicity and Mold Removal

Verified Reviews for Radon Detection And Reduction pros in Alamo, TX

Find Radon detection and reduction specialists in Alamo

Lopez Plumbing

Lopez Plumbing

Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

The Alamo, TX homeowners’ guide to radon detection and reduction services

How Much Does Indoor Air Quality Testing Cost? [2025 Data]

How Much Does Radon Testing Cost? [2025 Data]

Who Installs Radon Mitigation Systems?

What Is Radon and How Does It Get In Your Home?

How Long Does a Radon Fan Last?

5 Questions to Ask About Radon Gas Abatement

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