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Verified Reviews for Radon Detection And Reduction pros in Stillman Valley, IL

*The Angi rating for Radon Detection And Reduction companies in Stillman Valley, IL 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 Stillman Valley, IL 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 06, 2025

Find Radon detection and reduction specialists in Stillman Valley

Avatar for Full Circle Home Inspections

Full Circle Home Inspections

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Full Circle Home Inspections

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3 years of experience

Residential Home Inspections and radon testing. Before i became a home inspector I built houses for 15+ years. I decided to open this small family owned business because I find joy in helping people understand their huge investment in buying a house.

Residential Home Inspections and radon testing. Before i became a home inspector I built houses for 15+ years. I decided to open this small family owned business because I find joy in helping people understand their huge investment in buying a house.

COVERING YOUR ASSETS INSPECTIONS

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COVERING YOUR ASSETS INSPECTIONS

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WE PROVIDE HOME OWNERS WITH A COMPLETE, PROMPT AND PROFESSIONAL HOME INSPECTION. WE ALSO OFFER MOLD TESTING, RADON TESTING AND THERMAL IMAGING. WE ARE LICENSED IN THE STATE OF ILLINOIS. WE ARE A OWNER OPERATED COMPANY AND HAVE BEEN IN THIS LINE OF WORK FOR OVER TEN YEARS.

WE PROVIDE HOME OWNERS WITH A COMPLETE, PROMPT AND PROFESSIONAL HOME INSPECTION. WE ALSO OFFER MOLD TESTING, RADON TESTING AND THERMAL IMAGING. WE ARE LICENSED IN THE STATE OF ILLINOIS. WE ARE A OWNER OPERATED COMPANY AND HAVE BEEN IN THIS LINE OF WORK FOR OVER TEN YEARS.

Radon Reduction Technologies

4.83(
6
)

Radon Reduction Technologies

4.83(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Radon Detection & Reduction

"Installed radon mitigation system in basement. Pros: 1) reduced overall radon levels by about 75% 2) they did the work in extreme cold temps 3) done in about 4 hours Cons: 1) They arrived late (although they did call to let me know) 2) they did not wear boot covers or put down any floor protector when walking on my carpet 3) they set dirty toolboxes and caulk guns directly on carpet 4) exhaust pipe is too close to roof peak and can be seen from street view of house Overall, good job. I can live with seeing the pipe from the street. I would recommend based on the overall work."

Adam M on January 2018

Radon Detection & Reduction

"Installed radon mitigation system in basement. Pros: 1) reduced overall radon levels by about 75% 2) they did the work in extreme cold temps 3) done in about 4 hours Cons: 1) They arrived late (although they did call to let me know) 2) they did not wear boot covers or put down any floor protector when walking on my carpet 3) they set dirty toolboxes and caulk guns directly on carpet 4) exhaust pipe is too close to roof peak and can be seen from street view of house Overall, good job. I can live with seeing the pipe from the street. I would recommend based on the overall work."

Adam M on January 2018

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

Avatar for VSI Radon Reduction Corp.

VSI Radon Reduction Corp.

4.85(
82
)

VSI Radon Reduction Corp.

4.85(
82
)
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

VSI Radon Reduction Corp. has two locations to serve the greater Chicagoland and Rockford area. Providing radon reduction since 1987. State licensed installer at every job. We install and service sump pumps and backup pumps as well.

"Great service!"

Norman C on March 2025

VSI Radon Reduction Corp. has two locations to serve the greater Chicagoland and Rockford area. Providing radon reduction since 1987. State licensed installer at every job. We install and service sump pumps and backup pumps as well.

"Great service!"

Norman C on March 2025

Radon Detection and Reduction questions, answered by experts

Yes, radon testing is absolutely necessary if you suspect the presence of this hazardous gas, and the Environmental Protection Agency (EPA) recommends testing for all homes in the country. Radon is a pervasive natural gas that can leak through your home’s foundation and seep into the living areas. Unfortunately, the gas is highly carcinogenic and is the second leading cause of lung cancer. Radon testing is crucial for keeping you and your family safe from harm, so hire a radon mitigation specialist to test your home if you suspect its presence in your home.

Through air sampling devices and surface swabs in key areas of concern.

Mold, VOCs, radon, carbon monoxide, and particulate matter are typically measured.

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

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 Stillman Valley, IL 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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