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Verified Reviews for Radon Detection And Reduction pros in Swansea, SC

*The Angi rating for Radon Detection And Reduction companies in Swansea, SC 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 Swansea, SC 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 November 15, 2025

Find Radon detection and reduction specialists in Swansea

Avatar for Biotek Environmental, Inc.

Biotek Environmental, Inc.

4.71(
166
)
•Approved Pro

Biotek Environmental, Inc.

4.71(
166
)
•Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
436 local quotes requested

Need expert water damage restoration, fire damage restoration, and mold remediation? BioTek Environmental Inc. is based in Columbia SC and serves South Carolina, North Carolina, and Georgia. We are rated A+ by BBB, and we are proud of having served more than 2000 satisfied clients since 2007. Get 24/7 emergency help to ensure that your property damage needs are dealt with efficiently and carefully. We have seen it all, let us help you restore your home. For your peace of mind, we offer the best price guarantee and a 30-year bumper-to-bumper warranty! BioTek is a top 5% remediation/restoration contractor nationwide and we will be there for you when you need us.

"Smooth! And efficient. Communication was touchy sometimes but otherwise good."

Aaron D on May 2025

Need expert water damage restoration, fire damage restoration, and mold remediation? BioTek Environmental Inc. is based in Columbia SC and serves South Carolina, North Carolina, and Georgia. We are rated A+ by BBB, and we are proud of having served more than 2000 satisfied clients since 2007. Get 24/7 emergency help to ensure that your property damage needs are dealt with efficiently and carefully. We have seen it all, let us help you restore your home. For your peace of mind, we offer the best price guarantee and a 30-year bumper-to-bumper warranty! BioTek is a top 5% remediation/restoration contractor nationwide and we will be there for you when you need us.

"Smooth! And efficient. Communication was touchy sometimes but otherwise good."

Aaron D on May 2025

Avatar for Environmental Testing & Research Laboratories, Inc

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
Recommended by 93% of HomeAdvisor 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

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

Radon Detection and Reduction questions, answered by experts

Radon testing costs around $450 on average, but you could pay between $150 and $800 for testing, depending on a few factors. The size of your house is one of the most significant cost factors, as your radon professional will have to set up additional tests for homes with larger footprints. The type of test can also have an impact on the cost. Finally, some radon testing companies will include a recommended protocol for radon mitigation, while others might charge $50 to $100 extra.

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

Costs depend on test type, home size, number of testing locations, and whether follow-up testing is required.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

The Swansea, SC 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.

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