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TRUSTED BY DOWNERS GROVE, IL HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon15
    Verified radon detection and reduction services reviews

Top-Rated Radon detection and reduction specialists in Downers Grove - Updated Nov 2026

Avatar for JC Radon Solutions, LLC
JC Radon Solutions, LLC
5.0(
38
)
Radon Gas - Abatement

Serving Downers Grove, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Warranties offered

"JC Radon Solutions did a great job in the installation of our radon mitigation system. They arrived at the agreed time for both the proposal visit and then for the install work. The work area was kept clean during the install. A great job by a great company. I highly recommend JC Radon Solutions for radon mitigation work. Prior to the mitigation work, radon monitoring recorded average readings of 10. Now the readings are 3.5. Very pleased with the JC Radon Solutions system."
sump
Response time6 hrs
Response rate100%
36 neighbors recently requested a quote
Avatar for DuPage Radon Contractors
DuPage Radon Contractors
4.4(
41
)
Radon Gas - Abatement

Serving Downers Grove, IL and surrounding areas

Approved

In business since 1991

Free estimates

Credit card accepted

"Provided a thorough quote. Told me how to get levels below 4.0 as well as 2.7 which is recommended by world health. Ended up going with 2 points of suction. One in basement floor and the other under the garage floor. 2 techs were sent and the job took about 5 hours. They sealed floors and put a new cover on my sump. Tried to keep the area clean as possible. I swept and mopped after to collect any leftover shavings. Only thing I wasn’t happy about was them walking around the house with shoes on, but I understand as they’re drilling and climbing ladders outside. Would’ve been nice if they removed shoes before using my restroom. Both techs were very nice to deal with and took the time at the end of the job to explain everything in detail."
Standard Fan Housing
System External View
Suction Pipe into Basement Floor
Low Profile Fan Comparison
Standard Fan Housing

+39

Recommended by100%of homeowners
Avatar for Clean Air Radon Systems, Inc.
Clean Air Radon Systems, Inc.
4.8(
27
)
Radon Gas - Abatement

Serving Downers Grove, IL and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Schan did a great job, very professional. He came out to see what the job was before he gave me a quote. I have a huge crawl space which took some time but he stuck with it to finish it in one day. Now I can breathe easier knowing it's taking care of right. I highly recommend Clean Air Radon Systems."
pipe in garage
2) Main suction point
3) Our secondary suction point
4) Fan in attic
5) vented through roof

+18

Response time11 hrs
12 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Midwest Radon Services, Inc.
Midwest Radon Services, Inc.
4.7(
39
)
Radon Gas - Abatement

Serving Downers Grove, IL and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Chuck and his team have been outstanding to work with. Mike was at our home to re-work the radon mitigation position in our basement due to a construction project we are moving forward with. Mike was able to come up with a creative solution and we are happy with the quality of his work."
SF-180
Painted Slimline Fan and couplings
90 mil Foil Backed Liner
U-Tube Monometer & Sticker with State Tag
RP-145

+26

Response time1 day
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Radon Gas - Abatement

Serving Downers Grove, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Called company on Monday and got an appointment for an inspection on Wednesday. That following Monday, the technician arrived and went through each step is sealing off the concrete foundation to the water leak. The fix worked well and was put to the test with the recent record rains. Not one drop of water came into the basement."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
26 neighbors recently requested a quote
Avatar for PROFESSIONAL RADON SYSTEMS INC
PROFESSIONAL RADON SYSTEMS INC
4.8(
92
)
Radon Gas - AbatementRadon Gas - Testing

Serving Downers Grove, IL and surrounding areas

In business since 1988

Free estimates

Warranties offered

"Professional Radon System did an excellent job. They put the customer at ease. Work was done neatly installer explained everything thoroughly. I will use Professional Radon system again, and I will wii refer to family, friends and neighbors."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
2 Suction Points

+4

Response time2 days
Recommended by95%of homeowners
Avatar for Northern Illinois Radon, LLC
Northern Illinois Radon, LLC
4.7(
35
)
Radon Gas - Testing

Serving Downers Grove, IL and surrounding areas

In business since 2014

Free estimates

Credit card accepted

"As a first time home buyer, Tim made sure I understood the entire process of mold/air & radon testing and what the results meant. He also gave me great insight on the house as a whole and what to look for while inspecting. He has your best interest in mind during your home buying experience which alleviates some of the stressors that you d otherwise be facing."
An A+ Accredited Business with the BBB.
Certified Commercial Mold Inspectors
Advanced Radon Measurement Service Provider
Home Adisor Approved Professional

+5

Response time11 hrs
Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

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.

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

The Downers Grove, 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.