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Verified Reviews for Radon Detection And Reduction pros in Marion, MI

*The Angi rating for Radon Detection And Reduction companies in Marion, MI 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 Marion, MI 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 June 22, 2026

Find Radon detection and reduction specialists in Marion

Avatar for West Michigan Radon Removal LLC
West Michigan Radon Removal LLC
5.0(
43
)
Radon Gas - TestingRadon Gas - Abatement

Serving Marion, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Ron did a fantastic job! He explained the entire instalation procedure to me before starting and afterwards showed me the entire system and made sure I was satisfied with it and knew how it worked. He also explained how to use the radon test kit. Would definitely recommend using West Michigan Radon Removal"
Response time4 hrs
Response rate98%
7 neighbors recently requested a quote
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MCL Radon Gas Tech
4.8(
14
)
Radon Gas - Abatement

Serving Marion, MI and surrounding areas

In business since 2007

Free estimates

"Mike, of MCL, made an appointment to review the project and showed up on time. He is very knowledgeable and clearly went over all technicalities needed to take care of our radon gas problem. The next day he sent a quote. The job was finished on time at the quoted price, work was very professional and neat. I would definitely recommend MCL to complete mechanical work of this nature."
Safely Routed Outdoors
Safely Routed Outdoors
Crawl Space Encapsulation
Sump Pump Despressurization System
We offer you our Deluxe System!

+4

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.3(
251
)
Radon Gas - Abatement

Serving Marion, MI and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"SWAT did a great job installing the radon mitigation system in my house. They were very responsive, coming out quickly to provide a quote and offered a discount if the neighbors in the connecting townhouse would sign on as well. Installation was quick and the system was installed with no problem whatsoever. The radon levels in my house dropped from a reading of 12 to “undetectable” in just a couple of weeks."
Recommended by92%of homeowners
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Avatar for MichiganPro Home Inspections
MichiganPro Home Inspections
4.6(
71
)
Radon Gas - Testing

Serving Marion, MI and surrounding areas

In business since 2006

Credit card accepted

Offers commercial services

"Mark was on time, courteous, thorough, and prompt at providing the finished report the SAME day. I learned a lot from hiring these pro's."
Mold Inspection
Mold Inspection
Mold Inspection
Mold Inspection
Exterior Inspection

+6

Response time3 hrs
Response rate88%
Recommended by93%of homeowners
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Double Check Inspect
3.8(
26
)
Radon Gas - Testing

Serving Marion, MI and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"I hired Double Check to do an inspection for a personal decision of "Repair or Replace". Justin came out, performed the inspection, took photographs and answered all my questions. He found some issues like a few shingles missing, popped nailheads and the like. We discussed the Repair or Replace decision. Very knowledgeable and easy to deal with. Highly recommended."
Response time3 hrs
Recommended by80%of homeowners
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Avatar for MichiganPro Home Inspections Saginaw-Bay City-Midland-BadAxe
MichiganPro Home Inspections Saginaw-Bay City-Midland-BadAxe
4.3(
7
)
Radon Gas - AbatementRadon Gas - Testing

Serving Marion, MI and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"Excellent. The inspector was very thorough, and identified numerous concerns that we hadn't noticed ourselves. Thank you!"
Recommended by100%of homeowners
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Avatar for Central Home Inspections
Central Home Inspections
4.0(
2
)
Radon Gas - Testing

Serving Marion, MI and surrounding areas

In business since 2010

Free estimates

Warranties offered

"Mike and his daughter performed the inspections. He was responsive to my questions and doubts and was able to set up the appointment for the next day. I would have expected that the smoke detectors along with the doorbell to be tested - I didn't think of this until after the inspection. I did ask him to check some of the lights (porch, closet) that maybe would have been missed. Price was higher than most but he was able to accommodate my timing."
Heroes Discount
Certifications
Certified Inspection Experts
Annual Home Maintenance Inspections
Certifications

+8

Response time6 hrs
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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

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.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

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.

The Marion, MI 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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