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Find Radon gas testers in Northumberland

Avatar for Anvil Radon Services
Anvil Radon Services
5.0(
15
)

Serving Northumberland, PA and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"Extremely professional and personable service. I’m very pleased with the service I received."
Recommended by100%of homeowners
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Avatar for SWAT Environmental of Pennsylvania
SWAT Environmental of Pennsylvania
4.4(
41
)

Serving Northumberland, PA and surrounding areas

In business since 1988

Free estimates

Warranties offered

"Install done in 2023 and parts was under warranty. 2 years later it breaks and the company wants to charge to fix it. Product under warranty mean no charge to home owner. Not a reliable company. "
Recommended by85%of homeowners
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Avatar for Robert Koppenhaver Builder and Contracting Co.
Robert Koppenhaver Builder and Contracting Co.
5.0(
2
)

Serving Northumberland, PA and surrounding areas

In business since 1979

Free estimates

Warranties offered

Robert Koppenhaver Builder and Contracting Co. has been in business for over 40 years as a full service general contractor. We specialize in both Residential and Commercial Construction with a wide variety of services, ranging from Masonry to Custom Home Building, Renovations, Radon Mitigation, and more!

Recommended by100%of homeowners
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All Inspect Inc
5.0(
1
)

Serving Northumberland, PA and surrounding areas

"Mike Rhodes @ All Inspect responds quickly to phone, email and text communications. Mike worked me into his schedule and I was able to have an Air Quality test and Mold Inspection on the next business day. Mike and his son were thorough. They checked from floor to ceiling and the ceiling, as well. The basement has several rooms and they inspected each one. They explained what they were doing and what would need to be done for the mold remediation. As soon as the Air Quality results were back, Mike made sure he emailed me it to me promptly. He also gave me the Inspection Report and Recommendations letter promptly, as well. I will definitely be using All Inspect again for my inspection(s) needs."
Recommended by100%of homeowners
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Avatar for S.W.A.T. Soil, Water and Air Technologies
S.W.A.T. Soil, Water and Air Technologies
3.3(
4
)

Serving Northumberland, PA and surrounding areas

In business since 1988

Free estimates

Warranties offered

The nation’s largest provider of radon mitigation with the most certified radon mitigation technicians.\nAll SWAT Environmental locations are locally owned and operated providing customers with local, quality service.With over 50,000 successful projects, SWAT Environmental is your solution any time radon gas is an issue.We take pride in engineering the most effective and non-intrusive remediation systems in the industry.

Recommended by50%of homeowners
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Avatar for (215) 238-0593 SWAT Radon Mitigation Philadelphia
(215) 238-0593 SWAT Radon Mitigation Philadelphia
3.0(
2
)

Serving Northumberland, PA and surrounding areas

In business since 1988

Free estimates

Warranties offered

SWAT Environmental has installed over 50,000 radon systems throughout the country. We are America’s largest radon abatement company, and we have more certified technicians on staff than any other competitor. The experienced staff at SWAT Environmental leads the industry in removing radon from homes, schools, apartment buildings, condominiums, commercial and government buildings. SWAT Environmental is a trusted partner of some of the largest real estate firms in the country, and we lead the industry in quality and overall value. All of our technicians go through a rigorous training program that prepares them to make your home or office safe from the dangers of radon. When you have a problem with radon, you can trust the experienced professionals at SWAT Environmental.

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Avatar for Davis Home Inspection LLC
Davis Home Inspection LLC
New to Angi

Serving Northumberland, PA and surrounding areas

In business since 2011

Free estimates

Warranties offered

Davis Home Inspection, LLC is the premier home inspection company in the State College, Centre County area. We offer many great services that are designed to help inform, and educate you, our customer. As Certified Master Indoor Environmental Specialists and Green Energy Consultants you can utilize our knowledge about many other factors beyond just the scope of the structural inspection. Services We Offer: PRE-LISTING HOME INSPECTION BUYER HOME INSPECTION REVIEW INSPECTIONS TOWN HOME INSPECTIONS CONDOMINIUM INSPECTIONS DUPLEX INSPECTIONS HOME PRESERVATION INSPECTIONS RADON TESTING MOLD INSPECTION AND ASSESSMENTS INDOOR AIR QUALITY TESTING POOLS AND SPAS WATER TESTING SEPTIC ANALYSIS PHASE 1 ENVIRONMENTAL SITE ASSESSMENT

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Showing 1-10 of 19
FAQs for radon gas testing projects in Northumberland, PA

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 Northumberland, PA homeowners’ guide to radon gas testings

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

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