Top-rated radon detection and reduction specialists.

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There are 4 highly-rated local radon detection and reduction specialists.

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Avatar for American Waterworks

American Waterworks

4.78(
132
)
Approved Pro

American Waterworks

4.78(
132
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
467 local quotes requested

When it comes to water in your basement or a faulty foundation, you need an expert to ensure the damage is reversed and prevented from occurring in the future. American Waterworks has several decades of experience in the basement waterproofing and foundation repair industries, and we know the best tools and techniques to see your home through its troubles. Our professional installers are experienced in solving the wide variety of problems that allow water into basements and other areas below ground level. We've helped property owners with thousands of repairs and other restorations to homes in Minnesota, North Dakota, northeastern Iowa and western Wisconsin. American Waterworks is ready to serve all of your basement, crawl space, foundation, concrete leveling and radon mitigation needs. Call us today for a free estimate!

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."

Donna A on September 2025

When it comes to water in your basement or a faulty foundation, you need an expert to ensure the damage is reversed and prevented from occurring in the future. American Waterworks has several decades of experience in the basement waterproofing and foundation repair industries, and we know the best tools and techniques to see your home through its troubles. Our professional installers are experienced in solving the wide variety of problems that allow water into basements and other areas below ground level. We've helped property owners with thousands of repairs and other restorations to homes in Minnesota, North Dakota, northeastern Iowa and western Wisconsin. American Waterworks is ready to serve all of your basement, crawl space, foundation, concrete leveling and radon mitigation needs. Call us today for a free estimate!

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."

Donna A on September 2025


Avatar for Aztec Asbestos Removal LLC

Aztec Asbestos Removal LLC

4.29(
7
)
Approved Pro

Aztec Asbestos Removal LLC

4.29(
7
)
Approved Pro
Customers say: Super punctual
52 local quotes requested
Free onsite estimate

Aztec Asbestos Removal LLC offers the removal of asbestos for commercial and residential properties. We started in 2011 and have been providing excellent asbestos removal service ever since. We have withheld a rating of A+ through the Better Business Bureau reflecting our strict safety procedures and impeccable work ethic since 2013. We strive to offer excellent customer satisfaction by being very flexible and available, on top of making safety our #1 priority. We are licensed in Minnesota and offer professional asbestos air sampling.

"They showed up promptly, answered our questions, and removed the asbestos from 3 bedrooms and 2 bathrooms."

Nathen D on February 2024

Aztec Asbestos Removal LLC offers the removal of asbestos for commercial and residential properties. We started in 2011 and have been providing excellent asbestos removal service ever since. We have withheld a rating of A+ through the Better Business Bureau reflecting our strict safety procedures and impeccable work ethic since 2013. We strive to offer excellent customer satisfaction by being very flexible and available, on top of making safety our #1 priority. We are licensed in Minnesota and offer professional asbestos air sampling.

"They showed up promptly, answered our questions, and removed the asbestos from 3 bedrooms and 2 bathrooms."

Nathen D on February 2024


Avatar for A1 Radon Services LLC

A1 Radon Services LLC

4.99(
350
)
Approved Pro

A1 Radon Services LLC

4.99(
350
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
52 local quotes requested

A1 Radon Services, LLC is nationally certified with National Radon Proficiency Program (NRPP) and listed with the Minnesota Department of Health. Located in Eden Prairie, MN, we are fully committed to solving elevated radon problems throughout the Twin Cities metro and surrounding areas. We specialize in difficult to mitigate as well as standard radon mitigation systems for your living and working environment. We are fully confident you will not find a more efficient, committed and effective radon mitigation company to solve your radon problems at a fair cost.

"Andrew is top notch in my book, and I am so very glad that I hired him. I was told by another professional a long time ago that I needed two suction points since I had two cement slabs, and Andrew assured me that it typically is not needed, and if it is for some odd reason it won't cost me anything more than what his original quote was. All questions answered with confidence. I was notified when he would arrive on the day that was agreed. The suction point was discussed and ultimately my own locations he selected without argument he worked with me and suggested area's that would work out. He assured me that if the levels of radon are not below 2 then he would come out again to modify the size of the fan and or add another suction point. when he started working once the suction location was agreed upon, work went very fast with his assistant outside and Andrew in the basement holes drilled suction tubing installed and vented exactly where I wanted it. Outstanding job Andrew!!!! "

Curt L on September 2025

A1 Radon Services, LLC is nationally certified with National Radon Proficiency Program (NRPP) and listed with the Minnesota Department of Health. Located in Eden Prairie, MN, we are fully committed to solving elevated radon problems throughout the Twin Cities metro and surrounding areas. We specialize in difficult to mitigate as well as standard radon mitigation systems for your living and working environment. We are fully confident you will not find a more efficient, committed and effective radon mitigation company to solve your radon problems at a fair cost.

"Andrew is top notch in my book, and I am so very glad that I hired him. I was told by another professional a long time ago that I needed two suction points since I had two cement slabs, and Andrew assured me that it typically is not needed, and if it is for some odd reason it won't cost me anything more than what his original quote was. All questions answered with confidence. I was notified when he would arrive on the day that was agreed. The suction point was discussed and ultimately my own locations he selected without argument he worked with me and suggested area's that would work out. He assured me that if the levels of radon are not below 2 then he would come out again to modify the size of the fan and or add another suction point. when he started working once the suction location was agreed upon, work went very fast with his assistant outside and Andrew in the basement holes drilled suction tubing installed and vented exactly where I wanted it. Outstanding job Andrew!!!! "

Curt L on September 2025


Avatar for A+ Precision Cleaning & Restoration

A+ Precision Cleaning & Restoration

5.00(
4
)

A+ Precision Cleaning & Restoration

5.00(
4
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Beyond our expertise in home water damage restoration, for the past 15 years, we have been providing customers in the greater St. Cloud area. WHETHER YOUR HOME NEEDS A FRESH START AFTER WATER DAMAGE, A RELIABLE ROOF, OR AN EXTERIOR MAKEOVER, WE'RE HERE TO MAKE IT HAPPEN. EXPLORE OUR SERVICES AND EXPERIENCE THE PRECISION THAT SETS US APART IN WAITE PARK, MN. Emergency or Planned Restoration Services: FIRE STORM BIOHAZARD WATER CARPET CLEANING DUCT CLEANING

"Great! The entire team working on the kitchen area they all were fast and efficient and would hire again!"

Shaylyn T on March 2024

Beyond our expertise in home water damage restoration, for the past 15 years, we have been providing customers in the greater St. Cloud area. WHETHER YOUR HOME NEEDS A FRESH START AFTER WATER DAMAGE, A RELIABLE ROOF, OR AN EXTERIOR MAKEOVER, WE'RE HERE TO MAKE IT HAPPEN. EXPLORE OUR SERVICES AND EXPERIENCE THE PRECISION THAT SETS US APART IN WAITE PARK, MN. Emergency or Planned Restoration Services: FIRE STORM BIOHAZARD WATER CARPET CLEANING DUCT CLEANING

"Great! The entire team working on the kitchen area they all were fast and efficient and would hire again!"

Shaylyn T on March 2024


Avatar for Glacial Lakes Radon LLC

Glacial Lakes Radon LLC

No reviews yet

Glacial Lakes Radon LLC

No reviews yet
4 years of experience

Local Radon measurement and mitigation contractor. We are small business helping homeowners keep their homes safe and healthy. We have 10 years environmental consulting experience, and are experts in lowering radon concentrations in your home.

Local Radon measurement and mitigation contractor. We are small business helping homeowners keep their homes safe and healthy. We have 10 years environmental consulting experience, and are experts in lowering radon concentrations in your home.


InfoTec Home Inspection LLC

No reviews yet

InfoTec Home Inspection LLC

No reviews yet
Free onsite estimate

INFOTEC Home Inspection provides high-quality, affordable home inspection services to all of Central and South-Central Minnesota, including the Twin City Metro area. We take pride in our top-notch communication and customer service reputation and would be honored to serve you.

INFOTEC Home Inspection provides high-quality, affordable home inspection services to all of Central and South-Central Minnesota, including the Twin City Metro area. We take pride in our top-notch communication and customer service reputation and would be honored to serve you.


"Wow - Isaac is a true professional, and an incredible craftsman. He did an excellent job that looks great, completed high-quality work that has kept radon levels <0.2 over the past several months, and ensured his work was not disruptive or messy. I highly recommend his services, and would definitely hire him again."

Benjamin V on November 2021

Professional radon measurement and mitigation at budget-friendly prices.

"Wow - Isaac is a true professional, and an incredible craftsman. He did an excellent job that looks great, completed high-quality work that has kept radon levels <0.2 over the past several months, and ensured his work was not disruptive or messy. I highly recommend his services, and would definitely hire him again."

Benjamin V on November 2021


Gaviota Exterior Inc.

No reviews yet

Gaviota Exterior Inc.

No reviews yet
23 years of experience

We specialize in storm damage restoration for, fire, water, wind and hail damage. Allow us to inspect your home for damage with no out of pocket cost. We help home owners with their insurance claims to ensure all applicable damage is accounted for and paid by insurance. We specialize in exterior/interior remodeling twin cities. Safety, high-Quality and your budget is our main concern for residential, commercial, and institutional projects. We have a two part payment system. Initial down payment is required to provide funds for materials, dumpster, permits, logistics...... Once the project is complete to your satisfaction we provide a final inspection and punch list to close out the permit; request of final remaining balance due is issued with permit close out.. LICENSE # BC635994 822 Magnolia Ave. E St. Paul, MN 55106 651-447-2082 651-387-6951

We specialize in storm damage restoration for, fire, water, wind and hail damage. Allow us to inspect your home for damage with no out of pocket cost. We help home owners with their insurance claims to ensure all applicable damage is accounted for and paid by insurance. We specialize in exterior/interior remodeling twin cities. Safety, high-Quality and your budget is our main concern for residential, commercial, and institutional projects. We have a two part payment system. Initial down payment is required to provide funds for materials, dumpster, permits, logistics...... Once the project is complete to your satisfaction we provide a final inspection and punch list to close out the permit; request of final remaining balance due is issued with permit close out.. LICENSE # BC635994 822 Magnolia Ave. E St. Paul, MN 55106 651-447-2082 651-387-6951


Avatar for Tamm Construction LLC

Tamm Construction LLC

No reviews yet

Tamm Construction LLC

No reviews yet
9 years of experience

From footings to finish...and everything in between. It is more than our slogan, it is what we can offer you. We have experience in all aspects of home construction, remodeling, and landscaping. If it comes to building, modifying or improving your home, we can get it done for you.

From footings to finish...and everything in between. It is more than our slogan, it is what we can offer you. We have experience in all aspects of home construction, remodeling, and landscaping. If it comes to building, modifying or improving your home, we can get it done for you.


ConstructSPEC Home Inspections

No reviews yet

ConstructSPEC Home Inspections

No reviews yet
20 years of experience

Minnesota's highest quality home inspection and radon testing company. We are a group of certified home inspectors who are passionate about conducting a quality home inspection. Visit constructspec.com to learn more about us!

Minnesota's highest quality home inspection and radon testing company. We are a group of certified home inspectors who are passionate about conducting a quality home inspection. Visit constructspec.com to learn more about us!

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Radon Detection and Reduction questions, answered by experts

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

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.

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won’t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed. 

The Sauk Rapids, MN 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.