Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Williamstown, PA

Q: What are the benefits of radon mitigation?

• <div><p>Mitigation reduces radon levels, protecting your health and complying with safety standards.</p></div>

Q: How much does it cost to replace a radon fan?

• <div><p>The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.</p></div>

Q: Is it okay to live in a house with radon?

• <div><p>Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.</p></div>

Q: How is radon gas abatement professionally handled?

• <div><p>Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Williamstown, PA?

Select your specific project to find the pro for you.

Verified Reviews for Radon Detection And Reduction pros in Williamstown, PA

*The Angi rating for Radon Detection And Reduction companies in Williamstown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Williamstown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on June 05, 2026

Reviewed in June 2026
From the quote through the installation process the team was very polite and professional. They thoroughly explained everything to us and were knowledgeable and courteous. I would highly recommend SJ Moyer and the team that did our AC installation. Great job!
Sj Moyer Mechanical Service
Request a quote
Reviewed in March 2026
Tim was prompt and efficient with my repair.
TIM'S COMPUTER REPAIR
Request a quote
Reviewed in February 2025
The guys know their stuff. They worked diligently and took pictures so I better understood the situation and what needed accomplished. They were neat and conscientious around my wood stove. The price was more than anticipated and perhaps if the situation weren't so dire, I might have shopped...
Shamrock Maintenance Corp.
Request a quote
Reviewed in June 2024
This is an update to my previous review. We had an extensive redo of our line of pine trees. Design was beautiful and we were amazed at how quickly the tree line was completely transformed! The front and side of our house was also redesigned and transformed. Highly recommend this company. The...
Nye Guy Landscapes
Request a quote
Reviewed in May 2024
Kyle is knowledgeable and customer satisfaction is his goal. I donâ t think anyone could have done my job as well as Kyle and sons. If you have any remodeling or new construction do not hesitate to contact Kyle and sons for a free estimate. You wonâ t be sorry
Kyle & Sons Quality Home Improvement LLC
Request a quote
Reviewed in February 2024
Curt, Chance and Lakota did a great job on installation. The job was completed in one day as stated and the cleanup and instruction were excellent. There was a delay in getting the job completed from the original install date due to incorrect measuring. The quality of the doors and the...
West Shore Home Mechanicsburg
Request a quote
Reviewed in December 2023
A stunning and remarkable deep cleaning job! Irma takes care of any details at my home and my office and sheâ s always able to accommodate with my schedule needs. Very friendly and respectful personality. Thanks Irma Cleaning for your professional dedication at work and great service, itâ s...
Irma Cleaning
Request a quote
Reviewed in July 2023
The guys that installed the roof were great. They did excellent work, worked hard, were very respectful to my husband and me, and got done sooner than I expected. Derek, who gave the quote, was very upfront about what might be found under the old shingles. But nothing extra had to be charged...
AJ Window and Door Solutions, Inc.
Request a quote
Reviewed in July 2023
Rob from Long Home Products was our roofing consultant.He arrived promptly, was professional and courteous.He spent several hours with us as he was very knowledgeable about their product, the company and the roofing process.He checked the entire roof, not just the problem area and found more...
Long Home
Request a quote
Reviewed in March 2023
Ervin responded to me very quickly and answered any questions I had. Prices were reasonable and we had the fence installed within days. Set up was quick and he helped to start the training with our dog. Wish I would have done this sooner. Our dog stays within the fence and itâ s so nice to...
Dog Guard of Missouri
Request a quote

Find Radon detection and reduction specialists in Williamstown

C&S Home Inspections

4.8(

)

Serving Williamstown, PA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quick response

"Radon was over 6, now it's under 1. Job was done quickly."

Response time2 days

Response rate87%

4 neighbors recently requested a quote

Serving Williamstown, PA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

With over 5 years of experience MCJ Home Inspection LLC was founded on the belief that your home is special place. The home buying experience can be a long and daunting process. It can also involve considerable financial investment.\n\nAt MCJ Home Inspection LLC we understand your concerns and will work diligently to help you make the best decision possible by providing you with clear, reliable and complete reports.\n\nwww.mcjhomeinspection.com\n\nTeachers, First Responder & Military Veteran Discounts Available - Inquire Within \n\nAccepts Cash, Checks, Major Credit Cards & Venmo

4 neighbors recently requested a quote

Request Quote

Roof 2 Basement Home Inspection Services, LLC

4.9(

)

Serving Williamstown, PA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Terry does a thorough inspection and has a great write up with extensive photos and details. He is very responsive to all requests. I highly recommend him!"

Response time8 hrs

Recommended by98%of homeowners

Request Quote

MCJ Home Inspection, LLC

4.9(

)

Serving Williamstown, PA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Our inspector was Alan and he was, in a word, excellent. He truly went above and beyond. We highly recommend MCJ in general and Alan in particular."

Response time5 hrs

Response rate100%

Recommended by89%of homeowners

Request Quote

Radon Detection and Reduction questions, answered by experts

Mitigation reduces radon levels, protecting your health and complying with safety standards.

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

The Williamstown, PA 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.

See all articles

Angi
•
Mar 18, 2026Mar 18, 2026
How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
Alison Kasch
•
Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
Mitchell Grant
•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Amy Freeman
•
May 2, 2026May 2, 2026
How to Get Rid of Radon in Your Home
Radon can seep into your home through cracks and small openings. Here's how to get rid of radon and why you need to do it.
Amy Freeman
•
Apr 9, 2026Apr 9, 2026
What You Need to Know Before Refinishing a Basement
Thinking about refinishing your basement? A bit of planning can go a long way. Here's everything you need to know to get started.
Amy Freeman
•
Apr 5, 2026Apr 5, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.