Articles

Flat-vector map of Canada with Ontario highlighted in coral on a cream background, next to a radon detector canister
Radon in Ontario: Levels, Risk, Rules & What to Do
How common radon is in Ontario, where it's worst, the Health Canada guideline, Tarion's $50,000 warranty, and how to test. Read more...
Flat-vector map of Canada with a marker pin at Oshawa, ON — radon testing in Oshawa, ON
Radon in Oshawa, ON (2026): Geology, Testing, and Mitigation
Oshawa radon: testing, mitigation costs, Ontario disclosure rules, and Tarion warranty coverage for new Durham Region builds. Read more...
Flat-vector map of Canada with a coral red pin marking Ottawa, Ontario, alongside a circular badge showing 17% — Ottawa-Gatineau Metro share (1 in 6) of homes above the Health Canada radon guideline
Radon in Ottawa (2026): What the Data Shows, Why It's High in Some Areas, and What Ottawa Homeowners Should Do
About 1 in 6 Ottawa-Gatineau homes test above the Health Canada radon guideline — and the Ottawa Valley has documented hotspots. What to do. Read more...
Map of Canada with a pin on the Outaouais — radon in Chelsea, Cantley and the Pontiac, Quebec
Radon in the Outaouais: Chelsea, Cantley, and the Pontiac
Is the Outaouais a high-radon region? Yes. It is the best-documented and one of the most affected regions in Quebec: the CISSS de l'Outaouais reports an average basement concentration of... Read more...
Flat-vector map of Canada with Prince Edward Island highlighted in coral on a cream background, next to a radon detector canister
Radon in Prince Edward Island: Levels, Risk & What to Do
PEI has Canada's lowest measured radon — but not zero. The Health Canada guideline, and how to test your own home. Read more...
Flat-vector map of Canada with a marker pin at Prince George, BC — radon testing in Prince George, BC
Radon in Prince George, BC (2026): Northern Interior Geology, Testing, and Mitigation
Northern interior BC has materially higher radon than the coast. Prince George testing, mitigation costs, BCFSA disclosure rules. Read more...
Flat-vector map of Canada with Quebec highlighted in coral on a cream background, next to a radon detector canister
Radon in Quebec: Levels, Risk, Rules & What to Do
How common radon is across Quebec, where it's worst, the Health Canada guideline, the building code, OACIQ disclosure, and how to test. Read more...
Flat-vector map of Canada with a coral red pin marking Quebec City, Quebec, alongside a circular badge showing 18% — Quebec's recent provincial share of homes above the Health Canada radon guideline
Radon in Quebec City (2026): What the Data Shows, Why It's High, and What Quebec Homeowners Should Do
Up to 25% of homes in some Quebec regions test above the Health Canada radon guideline. What Quebec City homeowners need to know — plus OACIQ broker rules. Read more...
Flat-vector map of Canada with a marker pin at Red Deer, AB — radon testing in Red Deer, AB
Radon in Red Deer, AB (2026): Central Alberta Geology, Testing, and Mitigation
Central Alberta is a radon hotspot. Here's what every Red Deer homeowner should know — testing, mitigation costs, and AB disclosure rules. Read more...
Flat-vector map of Canada with a marker pin at Regina, SK — radon testing in Regina, SK
Radon in Regina, SK (2026): Why It's a Hotspot, How to Test, and What to Do
Saskatchewan has the highest provincial radon prevalence in Canada. Here's what every Regina homeowner needs to know — testing, mitigation, and SK financing. Read more...
Flat-vector map of Canada with a marker pin at Richmond, BC — radon testing in Richmond, BC
Radon in Richmond, BC (2026): Geology, Testing, and Mitigation
Richmond radon: testing, mitigation costs, BCFSA disclosure rules, and tenant rights for every Richmond homeowner. Read more...
Flat-vector map of Canada with a marker pin at Saguenay, QC — radon testing in Saguenay, QC
Radon in Saguenay, QC (2026): Canadian Shield Geology, Testing, and Mitigation
Saguenay sits on the Canadian Shield. What every homeowner should know about radon testing and mitigation in the region. Read more...
Flat-vector map of Canada with a marker pin at Saint-Hyacinthe, QC — radon testing in Saint-Hyacinthe, QC
Radon in Saint-Hyacinthe, QC (2026): Montérégie, Testing, and Mitigation
Saint-Hyacinthe and the Montérégie: radon testing, mitigation, and OACIQ disclosure for every homeowner. Read more...
Flat-vector map of Canada with a marker pin at Saint-Jean-sur-Richelieu, QC — radon testing in Saint-Jean-sur-Richelieu, QC
Radon in Saint-Jean-sur-Richelieu, QC (2026): Montérégie, Testing, and Mitigation
Saint-Jean-sur-Richelieu and the Montérégie: radon testing, mitigation, OACIQ disclosure. Read more...
Flat-vector map of Canada with a marker pin at Saint-Jérôme, QC — radon testing in Saint-Jérôme, QC
Radon in Saint-Jérôme, QC (2026): Laurentides, Testing, and Mitigation
Saint-Jérôme and the Laurentians: a higher-prevalence radon region. Testing, mitigation, and OACIQ disclosure explained. Read more...
Flat-vector map of Canada with a marker pin at Saint John, NB — radon testing in Saint John, NB
Radon in Saint John, NB (2026): Geology, Testing, and Mitigation
Saint John radon: testing, mitigation costs, NBREA disclosure rules, and tenant rights for southern New Brunswick. Read more...
Flat-vector map of Canada with Saskatchewan highlighted in coral on a cream background, next to a radon detector canister
Radon in Saskatchewan: Levels, Risk & What to Do
Why Saskatchewan has some of Canada's highest radon, the Health Canada guideline, the renovation tax credit, and how to test. Read more...
Flat-vector map of Canada with a coral red pin marking Saskatoon, Saskatchewan, alongside a circular badge showing 33% — Saskatchewan's leading provincial share (1 in 3) of homes above the Health Canada radon guideline
Radon in Saskatoon (2026): What the Data Shows, Why It's High, and What Saskatoon Homeowners Should Do
Saskatchewan has Canada's highest radon rates — about 1 in 3 Saskatoon homes test above guideline. What to do, plus Saskatchewan tax credit details. Read more...
Flat-vector map of Canada with a marker pin at Sault Ste. Marie, ON — radon testing in Sault Ste. Marie, ON
Radon in Sault Ste. Marie, ON (2026): Geology, Testing, and Mitigation
Sault Ste. Marie sits on radon-prone Canadian Shield geology. What every Sault homeowner should know — testing, mitigation, Tarion. Read more...
Flat-vector map of Canada with a marker pin at Sherbrooke, QC — radon testing in Sherbrooke, QC
Radon in Sherbrooke, QC (2026): Estrie Geology, Testing, and Mitigation
Quebec's Estrie region is a recognized radon hotspot. Here's what every Sherbrooke homeowner should know — testing, mitigation, and OACIQ disclosure. Read more...
Flat-vector map of Canada with a marker pin at St. Catharines, ON — radon testing in St. Catharines, ON
Radon in St. Catharines & Niagara Region, ON (2026): Geology, Testing, and Mitigation
St. Catharines and Niagara Region radon: testing, mitigation costs, Ontario disclosure rules, and Tarion coverage. Read more...
Flat-vector map of Canada with a coral red pin marking St. John's, Newfoundland and Labrador, alongside a circular badge showing 10% — share of St. John's homes above the Health Canada radon guideline per a 2024-25 local study
Radon in St. John's (2026): What the Data Shows, the Free City Test Kit Program, and What St. John's Homeowners Should Do
About 10% of St. John's homes test above the Health Canada radon guideline — and Conception Bay South has documented hotspots. What NL homeowners need to know. Read more...
Flat-vector map of Canada with a marker pin at Sudbury, ON — radon testing in Sudbury, ON
Radon in Sudbury, ON (2026): Mining-Region Geology, Testing, and Mitigation
Sudbury sits on radon-prone Canadian Shield geology. Here's what every Sudbury homeowner needs to know — testing, mitigation, and Ontario-specific resources. Read more...
Flat-vector map of Canada with a marker pin at Surrey, BC — radon testing in Surrey, BC
Radon in Surrey, BC (2026): Geology, Testing, and Mitigation
Surrey radon: testing, mitigation costs, BCFSA disclosure rules, and tenant rights for every BC homeowner. Read more...