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Find Radon gas testers in Mchenry

Avatar for Lifetime Home Services

Lifetime Home Services

4.97(
99
)
•Approved Pro

Lifetime Home Services

4.97(
99
)
•Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
48 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 Boomtown Radon Testing

Boomtown Radon Testing

4.98(
23
)
•Approved Pro

Boomtown Radon Testing

4.98(
23
)
•Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
33 local quotes requested

Welcome to Boomtown Radon Testing! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Ross was very friendly and explained the whole procedure and made sure to adhere to me schedule."

john o on March 2025

Welcome to Boomtown Radon Testing! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Ross was very friendly and explained the whole procedure and made sure to adhere to me schedule."

john o on March 2025

R.L.G. Building & Remodeling

No reviews yet

R.L.G. Building & Remodeling

No reviews yet
26 years of experience

I built my company by supplying my customers with HIGH QUALITY WORKMANSHIP for a fair price. I have been in business since 1999 and am offering a 5% discount on all labor for new home improvement or repair projects. I will also cover your deductible on ALL insurance claims.

I built my company by supplying my customers with HIGH QUALITY WORKMANSHIP for a fair price. I have been in business since 1999 and am offering a 5% discount on all labor for new home improvement or repair projects. I will also cover your deductible on ALL insurance claims.

Avatar for Concrete Crawlspaces & Basement Waterproofing Corp

Concrete Crawlspaces & Basement Waterproofing Corp

4.75(
154
)

Concrete Crawlspaces & Basement Waterproofing Corp

4.75(
154
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Licensed Plumbing Contractor - SafeSeal by Concrete Crawlspaces & Basement Waterproofing. Crawlspace Encapsulation, Sewer Backup Prevention, Modified Overhead Sewers, Basement Floor Replacement, Underpinning, Foundation Crack Repair, Carbon Fiber Wall Straps, Wall Anchors, Spray Foam Insulation, Discounts for Angie's List Members. Financing available. Award winning.

"Steve Gavin, the owner came out and provided me with a great price that was inclusive of the entire scope of the project. During our meeting he took the time to explain the process that his company uses. Once the permits were issued the crew arrived the next morning at 7:00 a.m. as promised. The crew met the deadline for a 1:30 inspection from the Village of Deerfield. They not only met the deadline but they passed the inspection without any issues to be corrected. The crew worked until 7:00 p.m. completing the job. I would also note that they left my home spotless!"

Richard R on September 2019

Licensed Plumbing Contractor - SafeSeal by Concrete Crawlspaces & Basement Waterproofing. Crawlspace Encapsulation, Sewer Backup Prevention, Modified Overhead Sewers, Basement Floor Replacement, Underpinning, Foundation Crack Repair, Carbon Fiber Wall Straps, Wall Anchors, Spray Foam Insulation, Discounts for Angie's List Members. Financing available. Award winning.

"Steve Gavin, the owner came out and provided me with a great price that was inclusive of the entire scope of the project. During our meeting he took the time to explain the process that his company uses. Once the permits were issued the crew arrived the next morning at 7:00 a.m. as promised. The crew met the deadline for a 1:30 inspection from the Village of Deerfield. They not only met the deadline but they passed the inspection without any issues to be corrected. The crew worked until 7:00 p.m. completing the job. I would also note that they left my home spotless!"

Richard R on September 2019

Daniel's Remodeling

No reviews yet

Daniel's Remodeling

No reviews yet
26 years of experience

2-3 EMPLOYEES.COST IS DETERMINED BY THE JOB.

2-3 EMPLOYEES.COST IS DETERMINED BY THE JOB.

Trinity Inspection & Restoration Inc

No reviews yet

Trinity Inspection & Restoration Inc

No reviews yet
22 years of experience

Additional DBA - Trinity Inspection & RSTRTN. See website for additional service areas.

Additional DBA - Trinity Inspection & RSTRTN. See website for additional service areas.

The Big Boys

No reviews yet

The Big Boys

No reviews yet
Free onsite estimate

Small group of Professional Tradesmen with decades of experience. Free estimates. One-half payment due after first day of work, remainder due upon completion (unless financed through The Big Boys). 2% Financing options are often available for larger jobs.

Small group of Professional Tradesmen with decades of experience. Free estimates. One-half payment due after first day of work, remainder due upon completion (unless financed through The Big Boys). 2% Financing options are often available for larger jobs.

Avatar for Zero Mold

Zero Mold

4.83(
41
)

Zero Mold

4.83(
41
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

We are certified mold professionals serving both residential and commercial clients in the Chicagoland area. We provide mold inspection, mold removal, and mold prevention services. With decades of mold mitigation experience, we offer a comprehensive set of mold related services and provide the right mold solution for each unique situation. We have a strong reputation for providing thorough services, at the right price. And delivering those services with respect for you, your property, your budget, and your time. We guarantee 100% eradication the first time, and if necessary, we will retreat the property until the issue is resolved or refund your service fee. Though not a common practice among remediation companies, we believe in holding ourselves to a higher standard.

"The work they did was very good. The customer service about the balance due after and initial deposit; awaiting Insurance payment, was harassment. It was unrelenting even after they received the check; they forgot to subtract my initial deposit and called and text me accusing me of owing them more. They added to the stress of a very challenging situation after a flood at my home. I would never t commend them for this reason, "

Lisa D on August 2025

We are certified mold professionals serving both residential and commercial clients in the Chicagoland area. We provide mold inspection, mold removal, and mold prevention services. With decades of mold mitigation experience, we offer a comprehensive set of mold related services and provide the right mold solution for each unique situation. We have a strong reputation for providing thorough services, at the right price. And delivering those services with respect for you, your property, your budget, and your time. We guarantee 100% eradication the first time, and if necessary, we will retreat the property until the issue is resolved or refund your service fee. Though not a common practice among remediation companies, we believe in holding ourselves to a higher standard.

"The work they did was very good. The customer service about the balance due after and initial deposit; awaiting Insurance payment, was harassment. It was unrelenting even after they received the check; they forgot to subtract my initial deposit and called and text me accusing me of owing them more. They added to the stress of a very challenging situation after a flood at my home. I would never t commend them for this reason, "

Lisa D on August 2025

Preferred Property Inspection Services Inc.

No reviews yet

Preferred Property Inspection Services Inc.

No reviews yet
29 years of experience

Property Inspection and Consulting

Property Inspection and Consulting

Avatar for Gallagher Construction Group LLC

Gallagher Construction Group LLC

1.60(
5
)

Gallagher Construction Group LLC

1.60(
5
)
35 years of experience

DBA - Gallagher Handyman on Demand. Gallagher Construction Group LLC is a family owned and operated, full-service construction company that has the ability to handle any size commercial or residential job. With a combined 70 years of experience in the industry, Gallagher is positioned to be one of the largest home improvement operations in the Midwest. We believe that offering quality products and great customer service is the core of our business model. We are committed to our customers and work with the highest integrity. Our fully certified and insurance friendly team is here to get your home or business back to its original state or better.

DBA - Gallagher Handyman on Demand. Gallagher Construction Group LLC is a family owned and operated, full-service construction company that has the ability to handle any size commercial or residential job. With a combined 70 years of experience in the industry, Gallagher is positioned to be one of the largest home improvement operations in the Midwest. We believe that offering quality products and great customer service is the core of our business model. We are committed to our customers and work with the highest integrity. Our fully certified and insurance friendly team is here to get your home or business back to its original state or better.

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FAQs for radon gas testing projects in Mchenry, IL

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 Mchenry, IL homeowners’ guide to radon gas testings

From average costs to expert advice, get all the answers you need to get your job done.

See all articles