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Radon Systems LLC

4.99(
219
)
Approved Pro

Radon Systems LLC

4.99(
219
)
Approved Pro
Customers say: Super punctual
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
1985 years of experience

Guaranteed Results! Radon Systems LLC has installed over 20,000 successful Radon mitigation systems since 1985. Radon Systems LLC is one of the few full service Radon mitigation companies that remediate both Radon in air and Radon in water. We are state certified and fully insured. Radon Systems LLC is recognized by the National Environmental Health Association (NEHA) and the American Association of Radon Scientists and Technologists (AARST).

"Derick did a great clean job. I live in a ranch with an unfinished basement. Install took around 1 hour. Derick was punctual, professional and informative. System is doing its job!"

James P on July 2024

Guaranteed Results! Radon Systems LLC has installed over 20,000 successful Radon mitigation systems since 1985. Radon Systems LLC is one of the few full service Radon mitigation companies that remediate both Radon in air and Radon in water. We are state certified and fully insured. Radon Systems LLC is recognized by the National Environmental Health Association (NEHA) and the American Association of Radon Scientists and Technologists (AARST).

"Derick did a great clean job. I live in a ranch with an unfinished basement. Install took around 1 hour. Derick was punctual, professional and informative. System is doing its job!"

James P on July 2024


Avatar for Indoor Environmental

Indoor Environmental

4.98(
46
)
Approved Pro

Indoor Environmental

4.98(
46
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
2009 years of experience

WE ARE A GREEN MOLD SOLUTION COMPANY. *Our solutions are free of hazardous materials & harsh chemicals *Within 24 hours mold is eliminated, the property is healthy, & ready to be lived in safely *CERTIFIED professionals *Our personal guarantee *Our customers have saved up to 65% over competitive quotes * We work in confidence. Our company vehicles are unmarked, which allows you to maintain a strong level of privacy for your home or business Our unique process replaces demolition & rebuilding, & reduces the need to replace carpets, furnishings & personal items.

"."

Alexa L on November 2025

WE ARE A GREEN MOLD SOLUTION COMPANY. *Our solutions are free of hazardous materials & harsh chemicals *Within 24 hours mold is eliminated, the property is healthy, & ready to be lived in safely *CERTIFIED professionals *Our personal guarantee *Our customers have saved up to 65% over competitive quotes * We work in confidence. Our company vehicles are unmarked, which allows you to maintain a strong level of privacy for your home or business Our unique process replaces demolition & rebuilding, & reduces the need to replace carpets, furnishings & personal items.

"."

Alexa L on November 2025


Avatar for Airtight Radon Solutions LLC

Airtight Radon Solutions LLC

5.00(
18
)
Approved Pro

Airtight Radon Solutions LLC

5.00(
18
)
Approved Pro
Super Service Award
Customers say: Quick response
2024 years of experience
Free onsite estimate

Welcome to Airtight Radon Solutions LLC ! 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! Achieving a safer and healthier environment for every home by providing effective radon mitigation solutions and raising awareness about the dangers of radon gas. Professional Radon Testing and Mitigation Services

"Fast, efficient. Got it done right - the first time."

Rick C on December 2025

Welcome to Airtight Radon Solutions LLC ! 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! Achieving a safer and healthier environment for every home by providing effective radon mitigation solutions and raising awareness about the dangers of radon gas. Professional Radon Testing and Mitigation Services

"Fast, efficient. Got it done right - the first time."

Rick C on December 2025


Avatar for True North Home Inspections, LLC

True North Home Inspections, LLC

4.92(
24
)
Approved Pro

True North Home Inspections, LLC

4.92(
24
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2020 years of experience

True North Home Inspections, LLC is the solution to all of your home inspection needs. We take great pride our extreme professionalism, timeliness, and superior customer service on every job. We makes sure to develop a lasting relationship, so that the next time service is needed, there will be no question on who to call. Satisfaction guaranteed!

"John was very thorough in his work and took the time to point out to my husband not only what would need or even just WANT repair but also how to do the work himself so that we could do it ourselves. We will be recommending True North to anyone we know who needs an inspection done from here on out."

Kayla R on December 2023

True North Home Inspections, LLC is the solution to all of your home inspection needs. We take great pride our extreme professionalism, timeliness, and superior customer service on every job. We makes sure to develop a lasting relationship, so that the next time service is needed, there will be no question on who to call. Satisfaction guaranteed!

"John was very thorough in his work and took the time to point out to my husband not only what would need or even just WANT repair but also how to do the work himself so that we could do it ourselves. We will be recommending True North to anyone we know who needs an inspection done from here on out."

Kayla R on December 2023


Avatar for Erickson Foundation Solutions

Erickson Foundation Solutions

4.54(
51
)
Approved Pro

Erickson Foundation Solutions

4.54(
51
)
Approved Pro
Customers say: True professional
1979 years of experience
Free onsite estimate

Erickson Foundation Solutions specializes in foundation repair and basement waterproofing systems. We have been helping homeowners in our community fix their homes since 1979. With the help of the Supportworks and Basement Systems dealer networks, we have access to the best materials and foundation solutions in the industry to efficiently and effectively solve any problem you might have in your basement. All of our technicians are professionally trained, so you can be sure that you’re receiving high standards of professionalism and courtesy at every turn. Do you have any foundation problems? We can help!

"The company is working with me."

Richard N on April 2025

Erickson Foundation Solutions specializes in foundation repair and basement waterproofing systems. We have been helping homeowners in our community fix their homes since 1979. With the help of the Supportworks and Basement Systems dealer networks, we have access to the best materials and foundation solutions in the industry to efficiently and effectively solve any problem you might have in your basement. All of our technicians are professionally trained, so you can be sure that you’re receiving high standards of professionalism and courtesy at every turn. Do you have any foundation problems? We can help!

"The company is working with me."

Richard N on April 2025


Avatar for MKC Associates LLC

MKC Associates LLC

4.99(
77
)

MKC Associates LLC

4.99(
77
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

MKC Associates Home Inspection - The best way to know your home. Providing professional, thorough, licensed, budget-conscious home inspections for clients since 2005. We pride ourselves on our deep knowledge, experience, and most of all our client service. Clients appreciate our detailed, readable reports and attention to detail. We are dedicated to your understanding of the property we are inspecting. We take the time to get the job done, not rushing off to another appointment, and we are ready to field any question you might have.

"Morgan is a super detailed inspector. He focuses a lot on examining the details of a house, making numerous suggestions on how to fix the major and minor issues. In addition, he is very patient in explaining the problems. I highly recommend Morgan as your inspector if you need a home inspection. I will definitely work with him in the future."

Po-Cheng L on September 2023

MKC Associates Home Inspection - The best way to know your home. Providing professional, thorough, licensed, budget-conscious home inspections for clients since 2005. We pride ourselves on our deep knowledge, experience, and most of all our client service. Clients appreciate our detailed, readable reports and attention to detail. We are dedicated to your understanding of the property we are inspecting. We take the time to get the job done, not rushing off to another appointment, and we are ready to field any question you might have.

"Morgan is a super detailed inspector. He focuses a lot on examining the details of a house, making numerous suggestions on how to fix the major and minor issues. In addition, he is very patient in explaining the problems. I highly recommend Morgan as your inspector if you need a home inspection. I will definitely work with him in the future."

Po-Cheng L on September 2023


Paul Cornell & Associates

4.97(
68
)

Paul Cornell & Associates

4.97(
68
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Additional service area: entire area except portions of cohasset-plymouth, fitchburg-leominster, manchester-nashua & worcester.

"Highly recommend Paul and Bill Cornell for your home inspection. They were very thorough and took the time to answer my many questions and walk me through his concerns. Paul was also accessible for follow up questions and provided me with honest answers and opinion. All of my future home inspections will be done by Paul Cornell!"

Tony S on October 2020

Additional service area: entire area except portions of cohasset-plymouth, fitchburg-leominster, manchester-nashua & worcester.

"Highly recommend Paul and Bill Cornell for your home inspection. They were very thorough and took the time to answer my many questions and walk me through his concerns. Paul was also accessible for follow up questions and provided me with honest answers and opinion. All of my future home inspections will be done by Paul Cornell!"

Tony S on October 2020


Massachusetts Home Inspections

4.97(
59
)

Massachusetts Home Inspections

4.97(
59
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Certified Master Home inspector for Buyers and Sellers in North Eastern Massachusetts. Fully insured. Thermal (infrared) Imaging, Aerial drone videos, Termite inspection, Radon testing, and Water quality testing. FHA/VA approved inspections. Member, International Association of Certified Home Inspectors. I intend to be your "Building consultant for life". I have one goal in mind, consumer protection and education. Call me direct at (978) 685-1909. Additional email - [email protected]. Additional DBA - Massachusetts Infrared Imaging. Additional service areas - All cities and counties inside Route 495.

"I hired David Valley for a home inspection and I couldn't be happier with the service I received. From the moment I contacted David, he was professional, friendly, and knowledgeable. He made the inspection process stress-free and easy to understand."

Robert S on February 2023

Certified Master Home inspector for Buyers and Sellers in North Eastern Massachusetts. Fully insured. Thermal (infrared) Imaging, Aerial drone videos, Termite inspection, Radon testing, and Water quality testing. FHA/VA approved inspections. Member, International Association of Certified Home Inspectors. I intend to be your "Building consultant for life". I have one goal in mind, consumer protection and education. Call me direct at (978) 685-1909. Additional email - [email protected]. Additional DBA - Massachusetts Infrared Imaging. Additional service areas - All cities and counties inside Route 495.

"I hired David Valley for a home inspection and I couldn't be happier with the service I received. From the moment I contacted David, he was professional, friendly, and knowledgeable. He made the inspection process stress-free and easy to understand."

Robert S on February 2023


Avatar for Lawrence DiPietro LLC

Lawrence DiPietro LLC

5.00(
39
)

Lawrence DiPietro LLC

5.00(
39
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

One of the most highly trained and qualified home inspectors in the area. 35+ years experience in home inspection, radon detection/reduction, construction, and engineering. My home inspections and reports are second-to-none. I also provide home buyers with cost effective and sound advice on how to maintain their homes. In addition to being a licensed home inspector (MA, NH & CT), I am also a licensed contractor, electrician, plumber, gas fitter, oil burner technician and air conditioner technician. I am also an engineer with BS and MS degrees in Mechanical Engineering. Member of ASHI (American Society of Home Inspectors) and InterNACHI (International Assoc. of Certified Home Inspectors).

"Larry did a great job! He is very thorough , very patient to explain every detail to me. Even though the house is new construction, he still found out a bunch of problems. He is very helpful, I would recommend him to my friends."

Hannah Z on January 2018

One of the most highly trained and qualified home inspectors in the area. 35+ years experience in home inspection, radon detection/reduction, construction, and engineering. My home inspections and reports are second-to-none. I also provide home buyers with cost effective and sound advice on how to maintain their homes. In addition to being a licensed home inspector (MA, NH & CT), I am also a licensed contractor, electrician, plumber, gas fitter, oil burner technician and air conditioner technician. I am also an engineer with BS and MS degrees in Mechanical Engineering. Member of ASHI (American Society of Home Inspectors) and InterNACHI (International Assoc. of Certified Home Inspectors).

"Larry did a great job! He is very thorough , very patient to explain every detail to me. Even though the house is new construction, he still found out a bunch of problems. He is very helpful, I would recommend him to my friends."

Hannah Z on January 2018


Clayton Home Inspection Inc

4.99(
82
)

Clayton Home Inspection Inc

4.99(
82
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

We are a full service licensed home inspection company in Massachusetts we have been in business since 1996. Owner operated, no subcontractors. Mass. Home inspectors license #153, Certified ASHI member # 2552071(American Society of Home Inspectors) certified/licensed Massachusetts pest inspector WDI registry certified. Fees quoted are based on multi factors, including property size, age and type of property. Email [email protected]

"Set up an appointment for an initial 10 minute phone call to talk about what we wanted. Tom ended up spending 25 minutes with us and answered a ton of questions. We subsequently set up an appointment for an initial pre-build inspection of the foundation, framing, roof, and windows. Tom was very thorough. He obviously knew his stuff. Pointed out several items that needed addressing before the insulation and walls went up. Couldn’t be happier with the amount of time he spent, how thorough he was and how much he listened to all my stupid questions and answered them in a language that I could understand. We will have him back before the next phase starts and probably a couple more times before we close. Anyone building a house or buying a new home would be wise to hire Tom. Great piece of mind and cheap insurance. Plus, he’s a really nice guy to boot."

John E on September 2024

We are a full service licensed home inspection company in Massachusetts we have been in business since 1996. Owner operated, no subcontractors. Mass. Home inspectors license #153, Certified ASHI member # 2552071(American Society of Home Inspectors) certified/licensed Massachusetts pest inspector WDI registry certified. Fees quoted are based on multi factors, including property size, age and type of property. Email [email protected]

"Set up an appointment for an initial 10 minute phone call to talk about what we wanted. Tom ended up spending 25 minutes with us and answered a ton of questions. We subsequently set up an appointment for an initial pre-build inspection of the foundation, framing, roof, and windows. Tom was very thorough. He obviously knew his stuff. Pointed out several items that needed addressing before the insulation and walls went up. Couldn’t be happier with the amount of time he spent, how thorough he was and how much he listened to all my stupid questions and answered them in a language that I could understand. We will have him back before the next phase starts and probably a couple more times before we close. Anyone building a house or buying a new home would be wise to hire Tom. Great piece of mind and cheap insurance. Plus, he’s a really nice guy to boot."

John E on September 2024

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Radon Detection and Reduction questions, answered by experts

Radon testing costs around $450 on average, but you could pay between $150 and $800 for testing, depending on a few factors. The size of your house is one of the most significant cost factors, as your radon professional will have to set up additional tests for homes with larger footprints. The type of test can also have an impact on the cost. Finally, some radon testing companies will include a recommended protocol for radon mitigation, while others might charge $50 to $100 extra.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

DIY kits are available for basic testing. Professional services provide comprehensive results and recommendations.

The short answer is no, air purifiers do not help with radon. While they certainly can improve the air quality of your home, they only clean pollutants from the air. Radon is radioactive, and it isn’t affected by the same filtration systems that handle other airborne particles, like dust and mold. The only thing that works is a radon mitigation system.

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

The Manchester, NH 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.

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