Articles

Illustrated map of Canada with Ontario highlighted in amber and a checkmark shield icon, representing province-by-province new-home warranty coverage
Does Your New Home Warranty Cover Radon? A Province-by-Province Guide
Ontario's Tarion warranty covers up to ,000 for radon mitigation. Learn what BC, Alberta, Saskatchewan, and Manitoba offer — plus the national Lungs Matter grant. Read more...
Flat-vector data chart with a rising trend line over an outline map of Canada — Canadian radon public datasets
Canadian Radon Data: Every Public Dataset, Sourced and Verified (2026)
The complete reference for Canadian residential radon data: Health Canada, Evict Radon, INSPQ, BC Lung, CARST, all public datasets, sourced. 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...
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...
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...
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...
Flat-vector illustration comparing a short-term electronic radon monitor and a long-term alpha-track radon canister on a cream background
Short-Term vs Long-Term Radon Test in Canada
How long should a radon test run? Why Health Canada recommends a long-term 91-day test, when short-term tests are OK, and the 99% imprecision finding. Read more...
Flat-vector illustration of an alpha-track radon detector canister with a checkmark and a magnifying glass on a cream background
Are Home Radon Test Kits Accurate in Canada?
Are radon test kits reliable? What makes one accurate — a C-NRPP-listed device, an accredited lab and a long-term test — and which monitors HC recalled. Read more...
Flat-vector illustration of a cycle arrow around a radon detector canister with a calendar icon on a cream background
How Often Should You Retest for Radon in Canada?
When to retest radon: after a renovation, energy retrofit or excavation — and every 5 years if you have a mitigation system. Read more...
Flat-vector illustration of a radon mitigation system U-tube manometer and an alpha-track detector canister on a cream background
Is Your Radon Mitigation System Working?
Your radon fan's manometer shows the fan is running — not your radon level. How to check a mitigation system and confirm it with a long-term test. Read more...
Flat-vector illustration of a recalled electronic radon monitor with a red warning triangle next to an approved alpha-track radon detector with a checkmark on a cream background
Recalled Radon Detectors in Canada (Health Canada List)
Which home radon detectors has Health Canada recalled or flagged as inaccurate? The current list, why cheap online monitors fail, and a C-NRPP-approved alternative. Read more...
Flat-vector illustration of a Canadian basement with a sub-slab depressurization radon mitigation fan, vertical PVC pipe, and tools on a cream background
DIY Radon Mitigation in Canada — Can You Install Your Own System?
DIY radon mitigation in Canada — what's legal, the parts cost, when it makes sense, and where you should call a C-NRPP-certified professional. Carbon monoxide risks, warranty pitfalls, and an... Read more...
Flat-vector illustration of a newly-built home cross-section showing a radon rough-in pipe through the foundation slab on a cream background
Do New Homes Have Radon in Canada?
A radon rough-in doesn't prove your new home is below 200 Bq/m³ — you still need to test after occupancy. New-build radon, codes and warranty explained. Read more...
Flat-vector illustration of a multi-storey condo building cross-section with a radon detector in the lowest unit on a cream background
Radon in Condos & Apartments in Canada
Do high floors have radon? Why apartment and condo units — especially lower floors — should test, what Health Canada says, and how renters can test. 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 Workplaces, Schools & Daycares in Canada
Radon duties for Canadian workplaces, schools and daycares — the Canada Labour Code limit (harmonizing to 200 Bq/m³ by 2027), provincial OHS, where school/daycare testing is mandatory, and how to... Read more...
Flat-vector illustration of a Canadian map marked with dollar-sign icons across several provinces representing radon mitigation grants on a cream background
Radon Grants, Rebates & Tax Credits in Canada by Province
Real help to pay for radon mitigation in Canada — the national Lungs Matter grant (up to $1,500), Saskatchewan's tax credit, Nova Scotia and provincial programs, by province. Read more...
Flat-vector illustration of a Canadian library bookshelf with a borrowed radon detector kit and a library card on a cream background
Free Radon Test Kits & Library Lending in Canada
How to get a free or borrowed radon test in Canada — library monitor lending, community giveaways, loan-length and calibration tips, and when to choose a long-term kit. Read more...
Flat-vector illustration of a home insurance policy document with a red X stamp next to a radon detector on a cream background
Does Home Insurance Cover Radon in Canada?
Does home insurance pay for radon testing or mitigation in Canada? Almost never — here's why (the pollutant exclusion), how new-home warranty differs (Tarion up to $50,000), and what actually... Read more...
Illustration à plat d'un échangeur d'air (VRC) avec flux d'air entrant et sortant près d'une maison
Does My Air Exchanger (HRV) Reduce Radon? What Health Canada Actually Says
Read this first. This article provides general information for Quebec homeowners, buyers, sellers, landlords, and tenants, drawn from public sources published by Health Canada and the Canadian National Radon Proficiency... Read more...
Flat-vector illustration of a new house beside a warranty certificate — GCR new-home warranty and radon in Quebec
Does the GCR Warranty Cover Radon in a New Home in Quebec?
Short answer: No. The mandatory warranty plan administered by the Garantie de construction résidentielle (GCR) does not mention radon anywhere and does not cover it as a named defect. The... Read more...
Flat-vector illustration of a radon detector, a certificate with a checkmark seal, and a lab flask — a C-NRPP-approved detector analysed by a C-NRPP certified lab
"Health Canada Approved" Radon Detectors: What That Actually Means
Thousands of Canadians searched some version of "Health Canada approved radon detector" this year. It is one of the fastest-growing radon searches in the country — and it has a... Read more...
Illustration à plat d'un calendrier avec une journée en évidence et le symbole du radon — Mois de la sensibilisation au radon
Radon Action Month: Why November Is the Time to Act in Quebec
Read this first. This is general information for Quebec homeowners, buyers, sellers, landlords, and tenants, drawn from public sources: Health Canada, the Government of Quebec (Ministère de la Santé et... Read more...
Flat-vector house cross-section with a radon vent pipe rough-in under the slab — Quebec Building Code and radon
Quebec's Building Code and Radon: The Mandatory Pipe Is Not Enough
Does the Quebec Building Code protect against radon? Only partly. Since June 2, 2022, the Code has required a sub-slab pipe and a passive extraction column in the new buildings... Read more...