Top-rated radon gas testers.

Get matched with top radon gas testers in Howell, NJ

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.

Find Radon gas testers in Howell

Avatar for Freedom Home Inspections
Freedom Home Inspections
5.0(
97
)

Serving Howell, NJ and surrounding areas

Free estimates

Emergency services offered

"I had got my House Inspected from Mark on Aug 2022. everything went fine until I moved into the house. Couple of months after move-in I found old dried water marks in storage and HVAC room in my basement. I was hoping that these water marks were owing to old water heater leaks but then in early 2023 there was heavy rainfall and the HVAC room basement started leaking water into the room. It was then I found that there was a crack in the basement wall. This crack is next the furnace duck and quite easily visible. Mark suggested that he is a season home inspector but I doubt because he missed visible evidence of prior basement flooding and a basement crack that was easily visible. I contacted Mark and send him proofs of his grave mishaps. He asked for proofs whether i have applied the suggested fix per inspection report, to which I promptly responded and then he stopped responding on my emails. He is not the person to get you house inspected"
Recommended by98%of homeowners
Request Quote
Avatar for Zappulla Property Inspections, LLC
Zappulla Property Inspections, LLC
5.0(
21
)

Serving Howell, NJ and surrounding areas

In business since 1999

Free estimates

Warranties offered

"The home inspection went very well. Dave did a very thorough job. He was good at communicating time of deliverables and status. His report was sent promptly. I would recommend him highly."
Recommended by100%of homeowners
Request Quote
Avatar for Liberty Home Inspectors, LLC
Liberty Home Inspectors, LLC
4.9(
19
)

Serving Howell, NJ and surrounding areas

In business since 2014

Free estimates

Warranties offered

"Liberty Home Inspectors is hands down one of the best decisions you can make when buying a home. Steven is incredibly thorough, knowledgeable, and clearly takes pride in what he does. He doesn’t just go through the motions—he actually educates you throughout the entire process so you understand exactly what’s going on with the property. What really stood out was the attention to detail. He found things I never would have noticed and explained everything in a way that was clear and easy to understand. No rushing, no cutting corners—just a true professional who cares about protecting his clients. If you’re in New Jersey and need a home inspection, this is the company you want. Reliable, honest, and extremely thorough. Highly recommend."
Recommended by94%of homeowners
Request Quote
...
Showing 1-10 of 105
FAQs for radon gas testing projects in Howell, NJ

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 Howell, NJ 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