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Verified Reviews for Radon Detection And Reduction pros in Lyme, NH

*The Angi rating for Radon Detection And Reduction companies in Lyme, NH 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 Lyme, NH 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 December 31, 2025

Find Radon detection and reduction specialists in Lyme

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
5 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 Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Avatar for Seacoast Inspections LLC

Seacoast Inspections LLC

4.93(
71
)

Seacoast Inspections LLC

4.93(
71
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Licensed Home Inspector #698 MA, #107 NH ASHI Certified Inspector #247162, Certified Level II Building Science Thermographer #31162, EDR Certified, Certified WDI Registry Inspector #90113. No Fee guarantee!

Licensed Home Inspector #698 MA, #107 NH ASHI Certified Inspector #247162, Certified Level II Building Science Thermographer #31162, EDR Certified, Certified WDI Registry Inspector #90113. No Fee guarantee!

Radon Detection and Reduction questions, answered by experts

Since radon typically comes out of the soil, it is most commonly found in the lower levels of a home. In houses with basements, that's a common location for radon. Homes built directly on the ground may have radon on the ground floors. Radon can be found on the upper floors of the home, but often in lower concentrations than in lower levels.

Avoid opening windows and keep doors closed during testing to obtain accurate readings.

Professional radon detection involves placing test kits in the lowest lived-in level of the house for a period, usually 48 hours to several months, followed by lab analysis of collected data.

Through air sampling devices and surface swabs in key areas of concern.

It is worthwhile to get radon testing done, especially if you haven’t in the past and don’t have active radon monitoring set up in your home. According to the American Lung Association, radon is a potential issue in all states, and testing is the best way to determine if it’s a current problem in your home. Radon testing includes professional tests that determine ongoing radon levels in your property, and it usually includes a mitigation protocol to help you decide what measures to take to protect your home and household members.

The Lyme, 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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