Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Seneca, IL

Enter your ZIP and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Seneca, IL?

Select your specific project to find the pro for you.

Verified Reviews for Radon Detection And Reduction pros in Seneca, IL

*The Angi rating for Radon Detection And Reduction companies in Seneca, 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 Seneca, 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 07, 2025

Find Radon detection and reduction specialists in Seneca

Avatar for BRT Home Inspections & Radon Testing

BRT Home Inspections & Radon Testing

4.95(
74
)

BRT Home Inspections & Radon Testing

4.95(
74
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

We know that buying a home or condo can be overwhelming and stressful at times. Our skilled inspectors understand the importance of such an investment, both personally and financially. We will follow State mandated guidelines and inspect your home as if it were our own. Licensed Home Inspection; Thermal Imaging of Homes and Businesses; Radon Testing using, "State of the Art Electronic Monitors". Sump Pump installation.

"Efficient, thorough, very detailed, easy"

Joe S on June 2022

We know that buying a home or condo can be overwhelming and stressful at times. Our skilled inspectors understand the importance of such an investment, both personally and financially. We will follow State mandated guidelines and inspect your home as if it were our own. Licensed Home Inspection; Thermal Imaging of Homes and Businesses; Radon Testing using, "State of the Art Electronic Monitors". Sump Pump installation.

"Efficient, thorough, very detailed, easy"

Joe S on June 2022

E C Siding & Windows

4.88(
17
)

E C Siding & Windows

4.88(
17
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
"They had done a good job on my skylight. So I hired them to replace my grandsons roof. Showed up immediately. Started the job a day or two later. Finished it in a day and a half. Reasonable rate. Another excellent job. .Thank you, EC ROOFING ."

Paula G on December 2020

"They had done a good job on my skylight. So I hired them to replace my grandsons roof. Showed up immediately. Started the job a day or two later. Finished it in a day and a half. Reasonable rate. Another excellent job. .Thank you, EC ROOFING ."

Paula G on December 2020

Avatar for RadoVent Illinois LLC

RadoVent Illinois LLC

4.96(
68
)

RadoVent Illinois LLC

4.96(
68
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

RadoVent Illinois llc is dedicated to installing top performing radon mitigation systems that block radon gas before it enters the home. We have installed thousands of radon mitigation systems in residential homes, office buildings, apartments and government buildings. Our courteous team of licensed radon remediation technicians go the extra mile to ensure your 100% satisfaction.

"Did a fantastic job. We are extremely pleased. Very clean and professional installation. Our Radon levels went from 11.5 to 0.4."

Rick W on September 2023

RadoVent Illinois llc is dedicated to installing top performing radon mitigation systems that block radon gas before it enters the home. We have installed thousands of radon mitigation systems in residential homes, office buildings, apartments and government buildings. Our courteous team of licensed radon remediation technicians go the extra mile to ensure your 100% satisfaction.

"Did a fantastic job. We are extremely pleased. Very clean and professional installation. Our Radon levels went from 11.5 to 0.4."

Rick W on September 2023

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

Using an air purifier in your home or basement isn't an effective way to reduce or mitigate radon. Radon is an inert gas, meaning it doesn't react with other chemicals and can't be filtered the way particulates can be. While an air purifier can help improve your indoor air quality in other ways, don't rely on it to reduce radon.

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

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

DIY radon detection is possible using over-the-counter test kits, but professional testing can provide more accurate assessments, especially in cases of high initial readings.

Yes, most services include testing the generator to ensure functionality. Confirm with your provider.

The Seneca, 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.

See all articles

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"