Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Marion, LA

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>

Q: How long does it take to receive results from radon testing?

• <div><p>Results from radon testing usually take a week to process after the test period ends, with expedited services sometimes available for urgent cases.</p></div>

Q: Can I test air quality myself?

• <div><p>DIY kits are available for basic testing. Professional services provide comprehensive results and recommendations.</p></div>

Q: How does radon enter my home?

• <div><p>Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.</p></div>

Q: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

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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

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

Results from radon testing usually take a week to process after the test period ends, with expedited services sometimes available for urgent cases.

DIY kits are available for basic testing. Professional services provide comprehensive results and recommendations.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

The Marion, LA 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
•
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.
Jacqueline DeMarco
•
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.
Kate Fann
•
Dec 4, 2024Dec 4, 2024
Radon Mitigation System Diagram: Understanding How It Works
You need to protect your home from radon, but what does a radon mitigation system look like? Check out this radon mitigation system diagram to learn how it works.
Jacqueline DeMarco
•
Dec 11, 2024Dec 11, 2024
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.
Angi
•
Jul 28, 2025Jul 28, 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.