We had a great experience with Radon Mitigation of Maryland. The Owner, Tim and his son not only…read moredid an outstanding job installing our system, but Tim took the time to answer our questions regarding the new system and Radon gas in general. Our levels were at 12 and now they are consistently at .5 (Under 4 is acceptable) We now feel confident using our basement again. That peace of mind is priceless. We also appreciated how Tim kept us updated via email and text regarding our appointment. He is very easy to communicate with. I would highly recommend Radon Mitigation of Maryland! ~Mike & Lorri Saintcross

Tim was excellent. Him and his son came to my house and gave me invaluable information about my…read morehome and radon. Even though I did not use their services at this time, I would not hesitate to do so in the future and would recommend them to anyone in the area.

Professional and knowledgeable!…read more I was quoted at a higher price from two other companies. Both told me they would have to install the radon mitigation system into a finished area of my home. Casey found a way to install the system by going underneath the main slab through the garage. He also charged me a cheaper price. My tenants and I were very excited to not lose and furnished area of the home. The radon levels dropped from 9 to under 1 in just two days!

Beyond thrilled! Casey arrived when he said he would, was very knowledgeable, installed our system,…read moreexplained how it worked and made sure I understood how to troubleshoot it in the unlikely event something went wrong and I didn't want to bother him, and made us feel very comfortable. Our levels have dropped to 5% of what they were and we couldn't be happier knowing that our basement is a safer place to spend time. I would highly recommend Rad Tek to anyone thinking about getting a radon mitigation system.

Thank you for prompt response, schedule and replacing my fan in less than an hour. Thank you Eric…read morefor a job well done!

We used for radon mitigation. They were knowledgeable, efficient, easy to schedule, reasonable…read moreprice. We were happy with the mitigation project. Would definitely recommend!

I recently decided to tackle our radon levels and purchased a monitoring device. Initially, I found…read morethat the readings fluctuated between 2 pci/l and 4 pci/l, especially with the basement window open. After a heavy rain, I was alarmed to see the levels spike to 9 pci/l. Since we have a room converted into a remote office in the basement, resolving the radon issue became a priority. After doing some research, I discovered that Ric had a remarkable number of 5-star reviews compared to other companies, so I reached out to him and set up an appointment. Ric showed up right on time at 8:00 AM and got straight to work. The first thing he did was identify the best spot in our unfinished basement for drilling a hole. He chose a discreet location behind the laundry room door, ensuring it wouldn't be noticeable. Ric then carefully brought in several buckets of gravel and soil under the slab, installed a white PVC pipe, and extended it into the garage. From there, he routed the pipe up into the attic and out through a small hole drilled in the siding of the house. He worked diligently for six hours and did an impressive job. Ric made sure to clean up thoroughly after finishing, and he sealed the slab crack with specialized radon chalk. The next day, with the basement door and windows tightly shut, I was thrilled to see the radon levels drop to sub-zero. I monitored the readings for three weeks, and they remained consistently low. I can't believe Ric doesn't have even more 5-star reviews; he truly did an outstanding job!

Ricardo, the owner of Radon Installation Contractors, is absolutely the best! He brought years of…read moreexperience installing radon abatement/mitigation units in residential buildings and took the time and care to ensure the installations were up to code, easy to maintain, and aesthetically pleasing. I cannot recommend Ricardo enough if you are looking to install a radon abatement unit at your home. Pro tip: Ricadro has discount codes for AirThings, one of the best brands of radon readers for tracking radon levels in your home for a long time.

I used these folks 4 years ago to install an active radon abatement system. My niece just got…read moremarried and bought a place in DC. I called and spoke to Karin. She was incredibly helpful. She said they did not work in DC, but she sent me an email with some guides and a referral. If you live in NoVA, you should use them. I remember their service as being very good, and the system is working just fine. But Karin's service was way above and beyond.

Great company! We were faced with a specific time frame and they made sure the entire process was…read morecompleted efficiently from the beginning to the end. Explained all the steps in great detail. Would hire this professional team every time.

Tommy from Atlantic Real Estate Services installed a radon mitigation system in my home. I was very…read morepleased with both the system and their professionalism. I would strongly recommend this company. I contacted several NRPP certified radon service providers, and Tommy's initial response stood out. He followed-up with both a phone call and an email, asking detailed questions about my home. He also said that he had installed a radon system in a house on my street, which told me he stood by his work. Tommy visited the house to provide a free estimate, and he found that we happened to have a "passive" radon mitigation system which the previous owners had apparently installed. Tommy took a day to think about the project, and he offered two estimates: one to convert the passive system to an "active" system, and another to install a new system altogether. I appreciated that Tommy carefully evaluated my house, to the point that he found the passive system and offered that cheaper conversion option in addition to the altogether new system. We ended up going with the new system to avoid any unexpected complications, and because we knew the new system was fairly priced. I needed the work to be done quickly and during a specific time period, which Tommy accommodated. Tommy and his crew (his father-in-law and brother-in-law) left the house the way they found it, and the radon ventilation gutter on the outside of the house is as aesthetically pleasing as possible. As far as post-testing, they left a monitor in the house for a couple of days, and then they sent me results which showed a significant reduction. In addition, I also own my own radon monitor (an Airthings), which had shown an eight-week average above 4.0 before the system was installed. Within days of the radon mitigation service being turned on, the average had gone down to just above 1.0. These guys were a pleasure to work with and talk to, they offered a fair price which I ran by other contractors, and they did good work which I independently verified with my own monitoring device. I fully endorse Atlantic Real Estate Services.

I think they went out of business. Tommy came out to my property last year and installed a system…read morefor a very reasonable price. He was great to work with and the system was working well. Recently, my sump pump has been leaking more radon and I tried to get in touch with them, but none of their phone numbers work. Now I'm worried about my warranty. Will update this review if I can get in touch with them, but I'm not holding my breath!

John may be a one man operation but he knows his stuff and does a superb job. He responded right…read moreaway when I first contacted him, most others including those with great reviews on Yelp and elsewhere, either didn't respond at all or refused to come out to check the property or kept asking for pictures etc. without any progress being made in addressing the my Radon problem. I had measured high Radon levels in the basement, up to 17 pCi/L. John thought through the situation effectively, identified a good spot for and installed a Radon mitigation system and did some other sealing work in the basement. Radon levels dropped dramatically after he finished and are now consistently way below the 4 pCi/L level that requires mitigation. I would strongly recommend him if you have a Radon problem.

We had a radon fan installed recently. it started making increasing loud sound after a few weeks…read more We tried to get him to come back to check on the issue for at least two months now but hasn't been successful. He keeps pushing it off because he's too busy. It's a one person company so you're out of luck if there's any issues with it. We had to call another company to replace the fan that he installed.

On time, detailed, excellent report, thorough, and went above and beyond to make sure we had all…read moreour questions answered.

I recently recommended Donofrio Inspections to a client I met at one of my open houses, and John…read moreKubitz delivered exceptional service. My client had purchased two properties prior to meeting me,but this was his first time having an inspection. John, with his background as a plumber, was incredibly thorough and provided invaluable insights. My client mentioned how much he learned about the house and now truly understands the value of a detailed inspection. I couldn't be more pleased with the service John provided--highly recommend! --- Let me know if you'd like any further adjustments!

They were a great team! Josh, and Allie were great through the whole radon process. Quick responce,…read moreprofessional from A to Z. Very happy with our experience with Williams Inspection & Radon. Highly recommended to anyone looking to decrease their Radon levels!

Matt was a no show for the appointment. Would not recommend unless you want to waste your time…read morewaiting around for him

Provided radon testing and was fair priced reliable and prompt. Recommended! Would definitely use…read moreagain

From the owner: If you want to eliminate cancer-causing radon gas and other harmful air contaminants from your home…read moreor building, contact Airwiz Radon. We are the local National Radon Defense-certified radon mitigation company offering radon abatement, radon testing, and other indoor air quality solutions. You can have confidence that our highly-trained and friendly specialists will identify high concentrations of radon gas using a continuous radon detector. Then, we will custom-design and professionally install a radon mitigation system to efficiently lower hazardous radon levels. We also offer ongoing system inspections and maintenance to ensure your continued safety. Contact us today for a free estimate.