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Top-Rated Radon detection and reduction specialists in Denmark - Updated Nov 2026

Avatar for Safe Radon Solutions, LLC
Safe Radon Solutions, LLC
4.9(
32
)
Radon Gas - Abatement

Serving Denmark, ME and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Dori emailed me to set up an appointment and Nicholas arrived promptly. He is extremely knowledgeable and helpful. He replaced our radon pump and rewired the whole unit. He also left us with a mail in radon test to complete to ensure that our levels are safe. He also agreed to come back and adjust the angle of the vent which was touching the siding of our house. I would highly recommend this service."
Response time1 day
Response rate86%
2 neighbors recently requested a quote
Aqua-Max of Maine
4.4(
105
)
Radon Gas - Abatement

Serving Denmark, ME and surrounding areas

In business since 1994

Free estimates

Warranties offered

"This year, my shop was in the basement (I make turned wooden bowls) radon level inexplicably increased from the 2.5 - 4.0 level to 8.0 - 11.0 level. I decided I was not going to work down there unless I did something about radon abatement. The guys said I needed one port under my basement floor, but I opted for two --- one near the exit port of the system and one in the center of the house. I had crushed stone and a vapor barrier under the floor, but radon was still getting in. After the installation lasting 3 hours, twenty-seven hours after install, the level was 0.83. Now after 1 week the level is 0.48 I am ok with that. I have not seen the results from the lab yet, but my continuous meter has been a good indication of what is happening. I am concerned now about radon in my drinking water, but cannot comment on that yet. Dick P Alna, ME"
Response time1 day
Recommended by96%of homeowners
Avatar for Rhino Radon Services
Rhino Radon Services
4.2(
9
)
Radon Gas - AbatementRadon Gas - Testing

Serving Denmark, ME and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"It went fantastic. Scheduling wise the gentlemen at Rhino Radon were quick to respond to our inquiry via there website were I filled out a online questionnaire. Once speaking to Henry about the specifics of my home via phone and letting him no my situation. They were prompt in scheduling a date for installation to assure my radon problem didn't delay my ability to sell the home. From the time I filled out there questionnaire on there website till the system was installed and fully operational, all took place In one weeks time. I no from experience that these days the attentiveness and service Rhino Radon provided me can be difficult to find. Having recently just finished the process of building my own home in Malden and dealing with a wide range of company's and workers. It's the little things that stand out like personal treatment,responding quick to inquiries or concerns and of course taking the time to do things properly the first time around while still treating the home with respect. Rhino Radon came recommended to me via a friend and I couldn't thank them enough for steering me in the right direction for my radon mitigation needs. I would like to do the same to anyone currently searching for a radon company. If you want the job done right and a pleasant experience, look no further for your radon needs then Rhino Radon Services.


"
Recommended by100%of homeowners
Avatar for Main Choice Inspections
Main Choice Inspections
5.0(
82
)
Radon Gas - AbatementRadon Gas - Testing

Serving Denmark, ME and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Main Choice Inspections is the best inspection company out there. They are so thorough and their reports are very detailed. They really are a one-stop-shop and do everything including: sewer line scoping, well flow test, septic inspection, mold testing, water testing, air radon testing, and the list goes on. I wouldn't hire anyone else to inspect my home! Always quick to respond and answer any questions for myself and my clients. When you use MCI to inspect your home.... you have them for life! FIVE STARS!"
Recommended by92%of homeowners
Avatar for Indy Properties, LLC
Indy Properties, LLC
4.5(
6
)
Radon Gas - Testing

Serving Denmark, ME and surrounding areas

In business since 2018

Free estimates

Indy Properties LLC is the solution to all of your home inspection needs. We take great pride in our extreme professionalism, timeliness, and superior customer service on every job. We make sure to develop a lasting relationship, so that the next time service is needed, there will be no question on who to call.

New wall mount propane boiler
New electrical panel
Response time20 mins
Response rate91%
Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

The Denmark, ME 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.