*The Angi rating for Radon Detection And Reduction companies in Sandwich, 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 Sandwich, 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 July 23, 2026
Serving Sandwich, NH and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Cannot say enough good things about this company! Responsive, respectful, quality work , and reasonably priced."
+32
Serving Sandwich, NH and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"John was great, came to inspect our home in Rochester and was professional and had every piece of equipment you could need to give us a detailed look into our house. Even when the seller made a mistake on the sewer and water system types John helped us test both and went above and beyond. Cannot recommend enough if you want a the best and safest bet for an inspection!"
Serving Sandwich, NH and surrounding areas
In business since 2008
Free estimates
"Very through. Stephen took the time to explain what we was looking at and why it was important."
Serving Sandwich, NH and surrounding areas
In business since 1988
Free estimates
Credit card accepted
"Highly recommend this team to help with Radon Mitigation. They were professional, easy to work with, and clearly experienced."
Serving Sandwich, NH and surrounding areas
In business since 2014
Free estimates
Emergency services offered
"He was on time, arrived at 9am as quoted and began to install the system. The system required two suction points and a sump pit cover. The sump pit originally had a pedestal pump in place and none of the other radon companies would change the pedestal pump to a submersible pump as required for the mitigation system to function properly. Rhino Radon not only changed the pump but installed a back flow check valve to ensure proper functioning of the system. All of the other companies said we would have to employ a plumber or a handy man to get this done. Had we gone that route the closing would not have happened. Rhino Radon gladly did all the work required and didn't even break for lunch!!! He was more concerned with getting us out of the vacant house seeing we are already down the cape. The system that involved a crawl space and being vented through the garage roof was completed immaculately and the test results came back at 0.5 pCil/L. This pleased the lender and buyer and exceeded our expectations. We highly recommend Rhino Radon Services.
"
Serving Sandwich, NH and surrounding areas
In business since 1985
"Excellent experience, we will hire Russell Installations again for future work. Pete, Mike and Brian did an outstanding job on our porch. We are very happy with the quality of the work and impressed with Pete's professionalism and ability to be forthright with us."
+8
Serving Sandwich, NH and surrounding areas
In business since 2023
Free estimates
Small jobs welcome
"In the whole stressful home buying process he made the inspection the easiest, most stress-free part. Awesome!"
+3
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
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.
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.
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.
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
