Best Radon Testing & Mitigation in Levis

About Radon in Levis, Quebec

Last updated: March 2026

Levis is served by C-NRPP certified radon professionals listed on RadonFinder.ca. Quebec's radon risk is concentrated in regions underlain by the Grenville geological province, including the Laurentians, Eastern Townships, the Outaouais, and parts of Mauricie, where uranium-bearing gneiss and granite produce elevated soil gas. The Montreal urban area, sitting on the St. Lawrence Lowlands, generally shows lower levels. Quebec has a high proportion of older housing stock in cities like Quebec City and Trois-Rivières, and older construction with block foundations and open sump pits tends to allow more radon entry.

Typical Mitigation Cost in Quebec

$2,200–$3,600

Near national average

Montreal-area labour rates apply in the urban corridor; rural and Laurentian regions may see higher costs due to contractor travel.

  • •Foundation type: block, poured concrete, or stone foundations in older Quebec homes
  • •Open sump pits and floor drains as radon entry points
  • •Finished vs. unfinished basement: finishing adds pipe-routing complexity
  • •Bilingual service availability in some rural areas
  • •Age of home: pre-1980 homes often require more sealing work

Showing 1–3 of 3 professionals in Levis

SDG Projets

Levis, QC
Testing
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Gaz Radon Québec

Québec, QC

Gaz Radon Québec is a C-NRPP certified radon testing professional serving Québec, QC. Their certified inspectors provide accurate radon measurements for homes and businesses.

MitigationTesting
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Vincent Robitaille

Québec, QC
Testing
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Local radon data

How common is high radon in Levis?

Moderate

1 in 5.6

homes tested in the Levis area had radon above Health Canada's action level of 200 Bq/m³. Your home can be very different from its neighbours, so the only way to know your level is to test.

Levis
1 in 5.6
Quebec
1 in 5.3
Canada
1 in 5.6

Postal areas nearby with the highest estimates

1,120 homes tested in the 2024 Cross-Canada survey. Source: the RadonFinder.ca radon map of Canada, built on the 2024 Cross-Canada survey, Health Canada data and Statistics Canada census data.

Open Levis on the radon map

Test before you call a pro

Know your radon level in Levis first

A home monitor tells you whether you need mitigation at all, and later confirms it worked. Health Canada bases decisions on a 3-month average, ideally through winter.

Airthings Corentium Home

Best Overall

Airthings Corentium Home

~$170–190 CAD C-NRPP tested

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Airthings Corentium Home 2

Newest Model

Airthings Corentium Home 2

~$230–250 CAD

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Frequently Asked Questions: Radon in Levis

RadonFinder.ca lists C-NRPP certified radon testing and mitigation professionals serving Levis, Quebec. Browse the directory above to compare professionals by services offered, certifications, and reviews.
Most homeowners in Quebec pay between $2,200 and $3,600 for a complete radon mitigation system. Actual cost depends on your foundation type, home size, and the complexity of the installation. Request quotes from multiple professionals to compare.
Levis follows Health Canada's national guideline of 200 Bq/m³. If your home tests above this level, Health Canada recommends taking action to reduce radon within two years for levels between 200 and 600 Bq/m³, and within one year if above 600 Bq/m³.
Yes. Health Canada recommends testing every home in Canada, regardless of age, construction type, or location. Radon levels vary from house to house and even neighbouring homes can have very different readings. A long-term test of at least 91 days during the heating season is the most reliable method.
The most common system is active sub-slab depressurization (ASD). A certified professional installs a pipe through your foundation slab connected to a fan that draws radon from beneath the home and vents it safely above the roofline. Installation typically takes one day.

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Radon Resources for Levis

Tools and guides to help you understand radon risk and take action.

Check your radon risk
Estimate your risk based on province, home age, and foundation type.
Understand your test results
Learn what Bq/m³ means and when action is required.
DIY radon test kits
Compare test kit options starting from $10.
Radon guides & articles
In-depth guides on testing, mitigation, and health risk.
Radon map of Canada
See how common high radon is in your postal code.
Radon FAQ
Answers to the most common questions about radon.