"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."

"He was knowledgeable. Price was good."

"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."

"This is the review. Let me know this is good before I send Prompt and on time service for the asbestos removal along with safe and proper poly containment. Also 3rd party testing confirmed safe air test. The workers were in suits, masks and had ASD machines running very professional and highly recommended for any asbestos work! We are very pleased the cleanup was nice, with no debris . I would definitely hire again if needed"

"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."

"He was knowledgeable, responsive and did good work."

"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!!"

"Matt did a great job of installing my radon mitigation system. The unit is set up perfectly and looks very professional and the jobsite was cleaned up to how it was before he started the job. I would highly recommend Matt and Black River Radon for all of your radon mitigation needs."

"Type of service was radon gas abatement"

"Chris was prompt , thorough and knowledgeable. He reviewed his findings with me in detail . I would definitely recommend him."