Articles

A Canadian suburban split-level home with brick and wood siding at golden hour, warm light in the windows and autumn maples in the front yard.
What Is Radon? A Plain-English Guide for Canadians
A note before you read. This article is general information for Canadian homeowners — not medical, legal, or financial advice. Radon results are reported against Health Canada's guideline of 200... Read more...
Canadian home in late summer with a long-term radon test detector on a basement shelf
Health Canada's Updated Radon Testing Guidance: You Can Test Year-Round — Here's How to Act on Your Result
Health Canada's updated radon measurement guide explains testing any time of year — act now if you're above 200 Bq/m³, retest in the heating season if below. Read more...
Flat-vector illustration of a horizontal threshold gauge with reference markers and a radon detector on a cream background
What Is an Acceptable Radon Level in Canada?
What counts as an acceptable radon level in Canada? Health Canada's 200 Bq/m³ guideline explained, how it compares to WHO and US levels, and what your number means. Read more...
Illustrated bar chart with a horizontal reference line at the Health Canada radon guideline, showing some bars above and below the line
How to Read Your Radon Test Results: A Canadian Homeowner's Guide
Understand your Bq/m³ radon test result and the Health Canada guideline of 200 Bq/m³. What each result range means and what to do next. Read more...
A finished Canadian basement with a clean white PVC radon mitigation pipe and inline fan installed along the wall
What to Do If Your Radon Level Is Above 200 Bq/m³
Your radon test came back above 200 Bq/m³? Here's what Health Canada recommends, how to find a C-NRPP mitigator, and what mitigation actually costs. Read more...
Flat-vector illustration of a stylized ribcage with lung outlines and a radon detector canister on a cream background
Radon & Lung Cancer in Canada: The Real Risk
Radon is the #1 cause of lung cancer in non-smokers and ~16% of lung-cancer deaths in Canada. The real risk — and what to do. Read more...
Cross-section of a Canadian sub-slab depressurization radon system: an interior pipe draws radon from beneath the slab, a fan in the attic, and the exhaust discharges above the roofline
How Radon Mitigation Works in Canada
How radon mitigation works — sub-slab depressurization, crawl-space and sump systems, sealing, and whether an HRV helps. Health Canada methods and costs. Read more...
Flat-vector illustration of a room interior with a radon detector placed on a low shelf and a placement-location marker on a cream background
Where to Place Your Radon Test Kit in Canada
Exactly where to put your radon test — which room, what height, and what to avoid so your result is valid, per Health Canada. Read more...
A Canadian detached suburban home with light snow on the roof and warm light glowing from windows during the winter radon testing season
When Is Radon Testing Season in Canada?
Health Canada recommends testing for radon during the heating season (October-April). But a test any time of year is better than none. Here's why. Read more...
Flat-vector illustration of stylized human lungs in muted slate-blue on a cream parchment background, with a small coral-red radioactive trefoil symbol in the upper-right corner — visual marker for the article on symptoms of radon exposure in Canada
Symptoms of Radon Exposure: What Canadians Should Know (and What Health Canada Recommends)
Looking for radon exposure symptoms? Here's the honest answer from Health Canada and the Canadian Cancer Society — and what every Canadian homeowner can actually do about it. Read more...
Radon Standards in Quebec: Which Thresholds Actually Apply
200 Bq/m³ as an annual average is Health Canada's guideline and applies across Quebec, but it is not a provincial law. Neither the LSST nor the RSST sets a maximum. From 30 January 2027 a binding 200 Bq/m³ limit applies to federally regulated workplaces in Quebec. Read more...
Flat-vector illustration of a Canadian school building and an office building, each with a radon detector visible inside, on a cream background
Radon in Your Child's School: A Guide for Parents
How to ask whether a school has been tested for radon, which provinces have already tested all theirs, and what the numbers mean. Read more...
Flat abstract illustration of a round meeting table seen from above with evenly spaced seats.
Radon: A Toolkit for Union Representatives
What to ask, the mechanisms behind the question, and how to tell a real test from a token one. Free to reproduce. Read more...
Flat illustration of an empty meeting room with a plain table and a blank presentation board.
Our Staff Asked About Radon — What Now?
Someone has asked whether your building has been tested for radon. What you are obliged to do, and what a good answer looks like. Read more...
Flat illustration of an empty meeting room with a plain table and a blank presentation board.
The Radon Business Case
How to get radon testing approved internally - the obligation, the evidence, the cost drivers, and what deferring actually costs. Read more...
Flat illustration of a row of low-rise apartment buildings with balconies.
Work From Home? Who Pays to Test for Radon
If you work from home, your radon exposure rose when your commute went away. Whether your employer should pay, and what to do if not. Read more...
Flat illustration of a small puck-shaped radon detector on a floor in an empty room.
Radon Testing as an Employee Benefit
Research puts office workers among Canada's most radon-exposed. How employer-funded home radon testing works, and what it does not replace. Read more...
Flat abstract illustration of a round meeting table seen from above with evenly spaced seats.
The Most Radon-Exposed Workers in Canada Aren't Miners
Peer-reviewed research puts 603,000 Canadian workers above the WHO radon reference level. The most exposed are receptionists and teachers. Read more...
A radon fan mounted on a white PVC pipe inside a basement utility space, with the pipe running up through the ceiling joists.
Radon Fan: How It Works, Cost, Noise & Replacement
A note before you read. This is general information for Canadian homeowners — not medical, legal, financial, or warranty advice. Radon results are reported against Health Canada's guideline of 200... Read more...
Cross-section of a Canadian home with a code-compliant sub-slab depressurization radon system: interior pipe, fan in the attic, exhaust above the roofline
Canadian Building Codes and Radon: What Ontario Homeowners Need to Know (2026 Guide)
How Canadian building codes deal with radon — federally, provincially, and in Ontario specifically. Plus the Hamilton, Guelph, and Kingston municipal programs. Read more...
A paper map of Canada laid flat on a wooden desk with a brass drafting compass and a magnifying glass, suggesting cross-province radon data review
Radon Levels by Province: What Canadian Data Shows
Radon levels across Canada: Saskatchewan 35%, Manitoba 26%, New Brunswick 20% of homes above 200 Bq/m³. Why every home needs a test. Read more...
An aerial view of a Canadian residential neighbourhood in late autumn, showing rows of detached homes among bare trees and evergreens.
Is My Area High-Radon? What a Radon Map Can Tell You
A note before you read. This article is general information for Canadian homeowners — not medical, legal, financial, or warranty advice. Radon results are reported against Health Canada's guideline of... Read more...
Editorial flat-vector illustration showing three radon test-kit boxes side-by-side under their country flags — Canadian (highlighted), American, and Swedish — comparing all-Canadian, US, and Swedish-owned test options for the Canadian market
Best Radon Test Kit in Canada (2026): An All-Canadian Alternative to AccuStar & Radonova, Compared
Most 'Canadian' radon kits ship your sample to a US lab. Same test standard, similar all-in cost — but more risk. Compare RadonTest.ca vs AccuStar vs Radonova. Read more...
A small white puck-shaped alpha-track radon detector sitting on a wooden shelf in a finished basement room.
Radon Detectors and Dosimeters: Which One Do You Need?
A note before you read. This article is general information for Canadian homeowners — not medical, legal, or financial advice. Radon results are reported against Health Canada's guideline of 200... Read more...
Product photo of an L-X Scientific Inc. alpha-track radon test canister (showing the green-accented L-X SCIENTIFIC INC. label) next to a modern white digital radon monitor displaying a numeric reading, on a Canadian basement workbench
Long-Term Radon Test vs Continuous Digital Monitor (Canada, 2026): Which Should You Buy, and When?
Alpha-track test kit or digital monitor (Airthings, Ecosense, Aranet)? Same question, different jobs. Honest 2026 Canadian comparison: C-NRPP approved list, Health Canada recalls, prices. Read more...
A continuous radon monitor displaying its reading in Bq/m³, the Canadian unit for radon
What Is the Best Continuous Radon Monitor in Canada?
For continuous monitoring and quick feedback at home, the top-rated digital radon monitors in Canada are the Airthings Corentium Home 2 (and the View Radon) along with the Ecosense RadonEye... Read more...
A classic Canadian suburban two-storey brick home in autumn with a red-and-white 'For Sale' sign in the front yard and maple leaves on the lawn
Radon Testing When Buying or Selling a Home in Canada (2026): A Buyer's, Seller's, Realtor's & Lawyer's Guide
Canadian buyers, sellers, realtors and lawyers: what to disclose, when to test, how to use a holdback or conditional offer, and which test counts. Province-by-province. Read more...
House keys and a folded blank document on a kitchen counter beside a coffee cup in a bright family kitchen.
Does Radon Affect Home Value or Resale in Canada?
A note before you read. This article is general information for Canadian homeowners — not medical, legal, financial, or warranty advice. Radon results are reported against Health Canada's guideline of... Read more...
A house for sale with a radon mitigation exhaust vent exiting above the roofline and a real-estate sign in the yard
Should You Buy a House That Already Has a Radon Mitigation System?
A note before you read. This is general consumer information for Canadian homebuyers, drawn from publicly available Health Canada and Canadian National Radon Proficiency Program (C-NRPP) sources. It is not... Read more...
An inline radon mitigation fan on a vent pipe beside a price tag, representing the cost of radon mitigation in Ontario
How Much Does Radon Mitigation Cost in Ontario?
A professional radon mitigation system in Ontario typically costs $2,000-$4,000. Here's what you're paying for, options, and how to find a C-NRPP pro. Read more...