Top-rated radon gas testers.

Get matched with top radon gas testers in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Radon gas testers in Madison

Avatar for Lifetime Home Services
Lifetime Home Services
824 Wells Street
4.88(
119
)
Approved Pro
Lifetime Home Services
824 Wells Street
4.88(
119
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
241 local quotes requested

TRUSTED HOME SERVICES: #1 HOME IMPROVEMENT & REPAIR SOLUTIONS IN SOUTHEAST WISCONSIN. https://www.lifetimehomeservices.com

" Appreciate that Josh evaluated & communicated concerns regarding some "twists" in the mitigation. He did not rush & asked to include info from others [HOA, local electrician] so he could determine how best to proceed. He kept me apprised of additional charges & made certain I wanted to proceed before doing so. Efficient with install once we decided to proceed."

Carol W on May 2025

TRUSTED HOME SERVICES: #1 HOME IMPROVEMENT & REPAIR SOLUTIONS IN SOUTHEAST WISCONSIN. https://www.lifetimehomeservices.com

" Appreciate that Josh evaluated & communicated concerns regarding some "twists" in the mitigation. He did not rush & asked to include info from others [HOA, local electrician] so he could determine how best to proceed. He kept me apprised of additional charges & made certain I wanted to proceed before doing so. Efficient with install once we decided to proceed."

Carol W on May 2025


Avatar for DJK Environmental, LLC
DJK Environmental, LLC
6522 North 40th Street
4.48(
23
)
Approved Pro
DJK Environmental, LLC
6522 North 40th Street
4.48(
23
)
Approved Pro
Customers say: Quality work
67 local quotes requested
13 years of experience

Established in 2012, a family owned and operated company, with over 50 years expirence in the Environmental industry. We specialize in Asbestos Inspections & Abatement, Universal Waste removal, Lead-Safe Certified and Mold Remediation

"I was VERY disappointed by my experience with DJK Environmental. They had come to me as a recommendation from a realtor, so I thought they’d be good. We paid money to have the asbestos test expedited, which took longer than the timeline DJK gave me and they didn’t even call me when the results were in. They also made a few errors on the quote to remove the asbestos, and again didn’t seem to care about the timeline they had given me or earning the business from us. I had to track them down any time I wanted information . They did not keep me informed about anything which was awful considering the timeline we are on to move into our house. When I got quotes from a couple other companies for the same service, I learned that DJK are price gougers as they were going to charge me 40% more than the other bids. I notified my realtor about the horrible communication, awful pricing & negative experience with DJK to ensure they don’t get business from any of her clients ever again. Stay away from DJK"

Benjamin H on July 2024

Established in 2012, a family owned and operated company, with over 50 years expirence in the Environmental industry. We specialize in Asbestos Inspections & Abatement, Universal Waste removal, Lead-Safe Certified and Mold Remediation

"I was VERY disappointed by my experience with DJK Environmental. They had come to me as a recommendation from a realtor, so I thought they’d be good. We paid money to have the asbestos test expedited, which took longer than the timeline DJK gave me and they didn’t even call me when the results were in. They also made a few errors on the quote to remove the asbestos, and again didn’t seem to care about the timeline they had given me or earning the business from us. I had to track them down any time I wanted information . They did not keep me informed about anything which was awful considering the timeline we are on to move into our house. When I got quotes from a couple other companies for the same service, I learned that DJK are price gougers as they were going to charge me 40% more than the other bids. I notified my realtor about the horrible communication, awful pricing & negative experience with DJK to ensure they don’t get business from any of her clients ever again. Stay away from DJK"

Benjamin H on July 2024


Avatar for Lifetime Home Services
Lifetime Home Services
805 Wells St
4.88(
104
)
Approved Pro
Lifetime Home Services
805 Wells St
4.88(
104
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
132 local quotes requested

Owner Operated. Cost determined by the job. NRPP Certification #RMT-101552, AARST Member. Licensed. Cash accepted. https://www.lifetimehomeservices.com/

"They did an outstanding job. First rate. I would highly recommend Lifetime Home Services."

Dan K on January 2025

Owner Operated. Cost determined by the job. NRPP Certification #RMT-101552, AARST Member. Licensed. Cash accepted. https://www.lifetimehomeservices.com/

"They did an outstanding job. First rate. I would highly recommend Lifetime Home Services."

Dan K on January 2025


Avatar for Umbrella Environmental
Umbrella Environmental
S34W29942 Little John Drive
5.00(
24
)
Approved Pro
Umbrella Environmental
S34W29942 Little John Drive
5.00(
24
)
Approved Pro
Customers say: Quick response
108 local quotes requested
15 years of experience

Umbrella Environmental started doing asbestos and lead abatement in 2010. We have certified trained employees to handle all your asbestos and lead abatement projects. Umbrella Environmental has experience with residential and commercial asbestos and lead abatement projects. For the fastest service, please call Todd!

"From the first call to the completion of the job everyone was helpful, informative, responsive, and super reasonably priced."

Chris C on June 2025

Umbrella Environmental started doing asbestos and lead abatement in 2010. We have certified trained employees to handle all your asbestos and lead abatement projects. Umbrella Environmental has experience with residential and commercial asbestos and lead abatement projects. For the fastest service, please call Todd!

"From the first call to the completion of the job everyone was helpful, informative, responsive, and super reasonably priced."

Chris C on June 2025


Aquire Restoration, Inc.
4414 Tompkins Drive
3.67(
3
)
Aquire Restoration, Inc.
4414 Tompkins Drive
3.67(
3
)
18 years of experience

Aquire Restoration, Inc. is a full service restoration contractor that provides emergency services to residential & commercial properties that have been damaged by Water, Fire, Mold, Storm, Sewer & Crime/Trauma scenes. We have two offices in Wisconsin; one in Oshkosh to service NE Wisconsin and one in Madison to service SC Wisconsin. Aquire Restoration, Inc. is an accredited business with the BBB, a certified firm with IICRC (Institute of Inspection Cleaning & Restoration Certification), a member of the MCRA (Midwest Cleaning & Restoration Association) along with Chamber of Commerce members for each office.

Aquire Restoration, Inc. is a full service restoration contractor that provides emergency services to residential & commercial properties that have been damaged by Water, Fire, Mold, Storm, Sewer & Crime/Trauma scenes. We have two offices in Wisconsin; one in Oshkosh to service NE Wisconsin and one in Madison to service SC Wisconsin. Aquire Restoration, Inc. is an accredited business with the BBB, a certified firm with IICRC (Institute of Inspection Cleaning & Restoration Certification), a member of the MCRA (Midwest Cleaning & Restoration Association) along with Chamber of Commerce members for each office.


JP Improvements LLC
312 Prospect Rd
4.82(
17
)
JP Improvements LLC
312 Prospect Rd
4.82(
17
)
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

JP Improvements Specializes in Mold Remediation and Elimination of Causes. We also have nearly 30 yrs experience in the building trades and are experts in many areas of home improvements.

"John, Bill, and Michelle worked very hard and effectively to remove extensive mold in the basement, and mold throughout the rest of the house. The project took many days. These workers were genuinely concerned about the health and comfort of the family member who remained in the house throughout the project, and were excellent about communicating with the family about what was planned and accomplished for each day. We recommend JP Improvements! This is a trustworthy company with extensive experience in mold remediation."

Sue J on February 2021

JP Improvements Specializes in Mold Remediation and Elimination of Causes. We also have nearly 30 yrs experience in the building trades and are experts in many areas of home improvements.

"John, Bill, and Michelle worked very hard and effectively to remove extensive mold in the basement, and mold throughout the rest of the house. The project took many days. These workers were genuinely concerned about the health and comfort of the family member who remained in the house throughout the project, and were excellent about communicating with the family about what was planned and accomplished for each day. We recommend JP Improvements! This is a trustworthy company with extensive experience in mold remediation."

Sue J on February 2021


EPOXY INJECTION SPECIALISTS
738-C SAUK RIDGE TRL
4.33(
6
)
EPOXY INJECTION SPECIALISTS
738-C SAUK RIDGE TRL
4.33(
6
)
Customers say: Quality work
30 years of experience

Basement wall and floor leaks are a sensitive issue for homeowners, realtors and home inspectors. As a basement waterproofing specialist for 27 years, all repairs large or small are professionally solved using best engineering practices. Detailed workmanship is most critical for reliable repairs. Free Estimates: 608-831-0400 (no texts, landline). Solving Basement Leaks Since 1995 Meticulous Workmanship Fully Guaranteed Free Estimates 608-831-0400 Owner: Andrew Kocis is on every jobsite performing the repair.

"Andy showed up having already done some research on our house, i.e. when our house was built. He looked at our crack, did a little digging to see how deep and how hard the concrete wall was. He then explained his process in a very clear manner and showed samples of the epoxy that he uses. He also showed the tools that deliver the epoxy into the crack. He had several other jobs, but kept us apprised of when he could begin our job. He showed up when he said he would and did a very professional job, cleaning up after each time. Andy was very personable and great to work with. And the price was a little less than I thought the job was going to be. Highly recommended!"

Victoria H on March 2018

Basement wall and floor leaks are a sensitive issue for homeowners, realtors and home inspectors. As a basement waterproofing specialist for 27 years, all repairs large or small are professionally solved using best engineering practices. Detailed workmanship is most critical for reliable repairs. Free Estimates: 608-831-0400 (no texts, landline). Solving Basement Leaks Since 1995 Meticulous Workmanship Fully Guaranteed Free Estimates 608-831-0400 Owner: Andrew Kocis is on every jobsite performing the repair.

"Andy showed up having already done some research on our house, i.e. when our house was built. He looked at our crack, did a little digging to see how deep and how hard the concrete wall was. He then explained his process in a very clear manner and showed samples of the epoxy that he uses. He also showed the tools that deliver the epoxy into the crack. He had several other jobs, but kept us apprised of when he could begin our job. He showed up when he said he would and did a very professional job, cleaning up after each time. Andy was very personable and great to work with. And the price was a little less than I thought the job was going to be. Highly recommended!"

Victoria H on March 2018


URBAN REMODELING
4603 MONONA DR
1.00(
1
)
URBAN REMODELING
4603 MONONA DR
1.00(
1
)
26 years of experience

Urban Remodeling has been doing residential and commercial remodeling in Madison for over ten years. We are dedicated to quality, and always ensure exceptional service. Contact us today for a free estimate on your project. Urban Remodeling can finish all of your projects with just on call.

Urban Remodeling has been doing residential and commercial remodeling in Madison for over ten years. We are dedicated to quality, and always ensure exceptional service. Contact us today for a free estimate on your project. Urban Remodeling can finish all of your projects with just on call.


MCU Construction and Environmental
935 South 32nd Street
5.00(
1
)
MCU Construction and Environmental
935 South 32nd Street
5.00(
1
)
3 years of experience

MCU Construction and Environmental is here to help. We offer a wide range of services to homeowners and business owners in Milwaukee, WI, from asbestos removal to mold remediation

MCU Construction and Environmental is here to help. We offer a wide range of services to homeowners and business owners in Milwaukee, WI, from asbestos removal to mold remediation


Certi-Dry
2421 S Stoughton Rd # 2
4.88(
17
)
Certi-Dry
2421 S Stoughton Rd # 2
4.88(
17
)
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

24/7 emergency service. Free inspections and estimates. Direct insurance company billing.

"We have had such a wonderful experience with Certi-Dry. They were responsive, professional, great communication, and - above all else - patient with us as we figured out what was going on with insurance. We used Certi-Dry both for mitigation of flood damage and rebuild of our finished basement. The sub-contractors that they hired for dry wall, flooring, painting, and electrical were also phenomenal and I appreciated the input of the project managers assigned to our jobs. Great company - would suggest them to anyone and would happily use them again (though really really hoping we never have to!)."

Kayla S on July 2020

24/7 emergency service. Free inspections and estimates. Direct insurance company billing.

"We have had such a wonderful experience with Certi-Dry. They were responsive, professional, great communication, and - above all else - patient with us as we figured out what was going on with insurance. We used Certi-Dry both for mitigation of flood damage and rebuild of our finished basement. The sub-contractors that they hired for dry wall, flooring, painting, and electrical were also phenomenal and I appreciated the input of the project managers assigned to our jobs. Great company - would suggest them to anyone and would happily use them again (though really really hoping we never have to!)."

Kayla S on July 2020

...
Showing 1-10 of 93

FAQs for radon gas testing projects in Madison, WI

Radon is the second leading cause of lung cancer in the U.S. The gas seeps through cracks in foundations and collects in basements and other low areas. Once you breathe it in, radioactive particles lodge in lung tissue and do long-term damage. Because you can’t see or smell radon, the EPA recommends testing your home every two years—and after major renovations—to keep your family safe.

Yes—every home should be tested. The EPA advises doing it at least every two years and any time you remodel, buy, or sell. On average, one in 15 houses nationwide sits above the recommended limit, and the only way to know where yours stands is a formal test. The equipment simply measures gas levels and won’t change your indoor environment, so the process is completely harmless.

Certified radon professionals—often home inspectors or dedicated radon mitigation contractors—handle testing. These radon testing professionals follow EPA protocols and use calibrated instruments to check levels throughout your house. Hiring a certified radon specialist means results you can trust for real estate deals, insurance requirements, and, most importantly, your family’s health.

Inspectors specialize in measuring radon gas levels, while licensed mitigation contractors design and install the systems that remove it. If your test comes back high, your inspector can point you to a qualified mitigation pro who will size and install the right fan, piping, or other equipment to bring levels down.

No—standard home air purifiers don’t touch radon. They’re built to trap dust and pollen, not radioactive gas. If testing shows high levels, you’ll need a dedicated mitigation system that vents the gas from beneath your home to the outdoors. Relying on a room purifier alone won’t keep your indoor air safe.

Opening a few windows in your home might dilute radon for a short time, but the gas seeps back in as soon as they’re closed. For a lasting fix, you’ll need a professional mitigation system—often a sub-slab depressurization fan—that pulls radon from beneath the foundation and safely vents it outside.

The Madison, WI homeowners’ guide to radon gas testings
From average costs to expert advice, get all the answers you need to get your job done.
sump pump radon gas removal system in basement of home
Jun 29, 2025
Jun 29, 2025
Radon mitigation systems help protect your home from harmful gas buildup by reducing indoor radon levels. Learn about costs, types, and hiring a professional.
radon gas testing equipment
Jun 25, 2025
Jun 25, 2025
Budget for radon inspection costs based on factors such as home size, geographic location, testing kit costs, labor, mitigation, and more.
Professional in protective suit removing mold from home
Jun 24, 2025
Jun 24, 2025
Budget for mold remediation costs based on factors such as severity, location in the home, type of mold, damage type, and more.
Two professionals removing asbestos from a roof
Apr 26, 2025
Apr 26, 2025
Asbestos testing costs depend on the size of your home, its condition, and your location. This test ensures your home is safe from this hazardous material.
professional in protective suit removing asbestos from attic of home
Apr 25, 2025
Apr 25, 2025
Concerned about asbestos in your home? Learn how to identify, manage, and safely remove this hazardous material with expert guidance on abatement methods, regulations, and best practices.
professional testing for toxic lead in home
Apr 26, 2025
Apr 26, 2025
Budget for lead paint inspection costs based on factors such as home size, location, home condition, repairs and removal, additional tests, and more.
Share project details to get started.