*The Angi rating for Radon Detection And Reduction companies in Diamond, OH 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 Diamond, OH 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 April 30, 2026
Serving Diamond, OH and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Warranties offered
"Tim Stoll is an experienced and knowledgeable person, in the areas of radon testing and mitigation. He is conscientious, diagnoses problems, and finds solutions. I highly recommend Stoll Radon Installation LLC."
Serving Diamond, OH and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Warranties offered
"Brett recently completed a home radon test in my home, and as a realtor, he has completed home inspections for many of my clients. He's professional, thorough, and very knowledgeable regarding all mechanical aspects of the home. He's also a true professional and always reliable. I would highly recommend him to anyone needing a home inspection or radon test."
+6
Serving Diamond, OH and surrounding areas
Approved
In business since 1990
Free estimates
Credit card accepted
"The inspector was very knowledgeable and showed me things to help in the upkeep of the home after purchase. He went the extra mile and educated me through every step of the home. The service was professional and personal and i highly recommend using this company. Not only did this company have a great value for the money but was also very thorough and honest! I'm so glad I used this company and will recommend it to family and friends."
+5
Serving Diamond, OH and surrounding areas
Approved
In business since 2021
Free estimates
Warranties offered
"Terrific experience. Highly recommended. Professional. Answered all our questions. Great to deal with."
Serving Diamond, OH and surrounding areas
Approved
In business since 1987
Free estimates
Warranties offered
"Very competitively priced. They even offered me a small discount to help me decide on a pro since all 3 quotes I got were about the same. Job was done professionally, neatly and on-time. Nice work."
+2
Serving Diamond, OH and surrounding areas
Approved
In business since 1987
Emergency services offered
Warranties offered
"Adam and Nick arrived on time and performed the fan installation quickly and efficiently. The men acted as a team and helped the job to go faster. After seeing how the job went, we asked Adam to look at another project and after hearing his diagnosis and estimate contracted with him to do another job."
+70
Serving Diamond, OH and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Contractor was good communicator, friendly, professional, thorough, punctual, knowledgeable."
+2
Serving Diamond, OH and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"I'm a realtor & have used Trust Worthy LLC many times!! Always great friendly service. Work always done as stated & on time or even sooner! Would definitely recommend!!"
+1
Serving Diamond, OH and surrounding areas
In business since 2018
Free estimates
Warranties offered
"Type of service was radon gas abatement"
Serving Diamond, OH and surrounding areas
In business since 2020
Free estimates
Emergency services offered
"Very professional and friendly. Answered all my questions patiently. Problem appears to be solved."
+1
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.
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.
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.
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.
