Best Radon Testing & Mitigation in Ste-Julie

About Radon in Ste-Julie, Quebec

Last updated: March 2026

Ste-Julie 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

$1,800–$3,200

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 1–11 of 11 professionals in Ste-Julie

Climatisation Novatrix

Ste-Julie, QC

Basic

4.7(217)Google

Conçoit et installe des solutions HVAC performantes pour les projets de construction et rénovations résidentielles majeures. Effectue le nettoyage de systèmes de ventilation.

TestingMitigation

(450) 649-7787Call View Profile

L&B Radon Inc

Rosemere, QC

Basic

5.0(147)Google

Offers professional radon detection, measurement, and mitigation. RBQ licensed and PNCR-C accredited, guaranteeing best prices. Uses certified Radon X systems and specialized products for safety.

TestingMitigation

(514) 941-4393Call View Profile

Enspeco

Vaudreuil-Dorion, QC

Basic

4.9(134)Google

Provides radon detection, mitigation, and testing services to residential and commercial clients, delivered by a team of engineers and building inspectors.

MitigationTesting

(514) 501-4279Call View Profile

Radon Expert LM

Saint-Hubert, QC

Basic

5.0(147)Google

Offers professional radon detection, measurement, and mitigation solutions. Licensed (RBQ 5821-5393-01) and PNCR-C accredited, using certified Radon X systems.

TestingMitigation

(450) 516-5699Call View Profile

Spheratest

Montreal, QC

Basic

4.4(10)Google

Certified PNCR-C professional for radon gas services in Montréal, QC. Specializes in residential, commercial, and investor client needs.

Testing

(514) 522-5005Call View Profile

Radon Evolution Inc.

St-Jerome, QC

Basic

5.0(131)Google

Offers professional radon measurement, testing, and mitigation services, including expert follow-up. Protect health by reducing radon gas.

TestingMitigation

(450) 304-2266Call View Profile

WSP

Montreal, QC

Basic

4.6(65)Google

Testing

(438) 468-2064Call View Profile

AXL-AIR Inc

Mascouche, QC

Basic

5.0(147)Google

Testing

(514) 758-5850Call View Profile

Roland Grenier Construction Ltee

Anjou, QC

Basic

1.0(1)Google

Mitigation

(514) 570-5808Call View Profile

Renov-Action Michel Haineault Inc.

Saint-mathias-sur-richelieu, QC

Basic

4.9(16)Google

Mitigation

(514) 951-8293Call View Profile

exp Services Inc.

Montreal, QC

Basic

4.8(5)Google

Testing

(514) 238-2511Call View Profile

Frequently Asked Questions: Radon in Ste-Julie

RadonFinder.ca lists C-NRPP certified radon testing and mitigation professionals serving Ste-Julie, Quebec. Browse the directory above to compare professionals by services offered, certifications, and reviews.

Most homeowners in Quebec pay between $1,800 and $3,200 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.

Ste-Julie 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 — 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.