Local
Radon Testing in Burlington: Lakeside Doesn't Mean Risk-Free
Burlington's average home radon sits near 70 Bq/m³. Why the escarpment matters, what a $99 test costs, and DIY vs pro, explained plainly.
8 min read
Our Blog
Radon, explained clearly.
Practical guides, research, and honest advice on radon testing, mitigation, and everything in between. Every claim is backed by a primary source.
Testing
Why Radon Levels Spike in Winter (and What It Means for Testing)
Radon rises in Ontario winters because of the stack effect. Here's why, how big the swing is, and the best months to test your home.
8 min read
Local
Radon Testing in Hamilton: Escarpment Geology Meets Old Housing Stock
Hamilton has the highest average radon in the GTA core, near 75 Bq/m³. Why the escarpment matters, what a $99 test costs, and DIY vs pro.
8 min read
Local
Radon Testing in Ottawa: Canada's Highest-Risk Major City
Ottawa has some of Canada's highest big-city radon. Why the geology is so risky, what testing costs, and how out-of-town homeowners can still test.
8 min read
Tarion
New Home Radon Warranty in Ontario: What Tarion Actually Covers
Ontario new homes come with up to $50,000 of builder-paid radon mitigation under Tarion. Who qualifies, the coverage windows, and what builders owe you.
9 min read
Health
Radon in Basement Bedrooms: Why It Matters More Than Other Rooms
A basement bedroom is the highest-radon room in most homes, and someone sleeps there 8 hours a night. Here's why that matters and how to fix it.
9 min read
Local
Radon Mitigation in Toronto: Cost, Process, and Whether You Need It
Radon mitigation in Toronto runs $2,800 to $3,800. When it's warranted, condo board and permit rules, and why fewer Toronto homes need a fix.
8 min read
Health
Radon and Lung Cancer: The Numbers Every Canadian Should Know
Radon is Canada's second-leading cause of lung cancer. Here are the real numbers, the smoker multiplier, and what your level actually means.
10 min read
Testing
How to Test for Radon in Canada: A Simple Step-by-Step Guide
How to test for radon at home in Canada. Pick a kit, place it right, read the result, and know when to retest. Plain-English steps.
9 min read
Health
Radon and Children: Why Parents Should Worry More Than the Numbers Say
Kids breathe faster and have smaller lungs, so radon hits them harder. Here's what Ontario parents should check first, and what it costs to fix.
8 min read
Local
Radon Mitigation in Mississauga: Cost, Tarion, and New Builds
Radon mitigation in Mississauga runs $2,800 to $3,800. What drives the price, the Tarion path for new builds, and why Peel has no local pros.
8 min read
Testing
How Long Does a Radon Test Take? Short-Term vs Long-Term Timelines
How long a radon test takes, start to finish. Device run time, closed-house rules, lab turnaround, and when to pick a 91-day test.
9 min read
Local
Radon Testing in Toronto: Why It Matters, What It Costs, How to Start
Radon testing in Toronto is $99 flat, with a written report in days. Pre-war homes, condo floors, the Tarion path, and DIY vs pro, explained.
8 min read
Testing
Radon Test Cost in Canada: What You Actually Pay in 2026
Radon tests in Canada run $25 to $399. Here's every option by price, from $25 DIY kits to $99 pro tests, and how to test for free.
8 min read
Testing
Radon Inspection in Ontario: What It Is, How It Differs From Testing, and What It Costs
Radon inspection isn't a separate service from radon testing. What it really means, what a proper measurement involves, and what it costs in Ontario.
9 min read
Real Estate
Radon Tests When Buying a Home in Ontario: A Buyer's Playbook
How to add a radon test to your Ontario offer, what a high reading means, and who pays to fix it. Clause wording, timelines, and a negotiation plan.
9 min read
Mitigation
Radon Fan Cost: When to Replace and How Much You'll Pay
A radon fan dies every 10 to 15 years. What the part costs, when to replace just the fan vs the whole mitigation system, and how to budget.
9 min read
Health
Radon Poisoning: What's Real, What's Myth
Radon poisoning isn't a real diagnosis. Here's what radon actually does to your body, 7 myths to drop, and the $35 step that gives you a real answer.
9 min read
Testing
Long-Term Radon Monitoring in Ontario: Why 91 Days Beats 3 Days
Long-term radon monitoring is Health Canada's gold standard. What it costs in Ontario ($40 DIY to $299 pro), who actually needs it, and why.
8 min read
Featured
Testing
Radon Testing in Guelph: Costs, Risk by Neighbourhood, and When to Test
Radon testing in Guelph: $99 flat, report in days. Why Guelph runs double the GTA average, which neighbourhoods test highest, and the Tarion path.
8 min read
Health
Is Radon Dangerous? An Honest Answer About Real Risk
Yes, radon causes lung cancer. But a single high test isn't an emergency. Here's what real risk looks like, what changes it, and what to do today.
9 min read
Health
Radon Levels Explained: What Bq/m³ Means and What's Actually Safe
Radon levels in Bq/m³ confuse a lot of homeowners. Here's what each range means, why Canada uses 200 not 150, and what to do at your number.
10 min read
Tarion
Tarion Radon Warranty Claim: Step-by-Step for Ontario Homeowners
How to file a Tarion radon claim and get up to $50,000 of builder-paid mitigation. Eligibility, the form, documentation, and handling pushback.
11 min read
Health
Radon Map of Canada: Province-by-Province Risk Breakdown
Where radon hits hardest in Canada. Real province-level numbers from Health Canada, plus why even low-risk provinces still have high-risk homes.
10 min read
Local
Radon Map of Ontario: Where the Hot Spots Actually Are
Ontario's worst radon hot spots are not where most people guess. Real numbers by region, plus why a map alone won't tell you if your home is safe.
10 min read
Testing
Best Radon Detectors for Canadian Homes (2026): Tested and Compared
Looking for the best radon detector in Canada? Here's an honest comparison of the top continuous monitors, what they cost, and when a $200 one is enough.
9 min read
Testing
Radon Testing in Canada: Everything You Need to Know Before You Test
A plain-English guide to radon testing in Canada. Kit types, placement, what the numbers mean, real estate timelines, and DIY vs pro.
10 min read
Mitigation
Radon Fan: How It Works, Sizing, Cost, and When to Replace It
The radon fan is the only moving part of your mitigation system. Sizing, cost, lifespan, replacement signs, and when to DIY the swap.
10 min read
Mitigation
Radon Mitigation Cost in Ontario: What You'll Actually Pay in 2026
Radon mitigation in Ontario runs $2,800 to $3,800. What changes the price, why some quotes hit $5,000+, and grants and warranties that cover it.
9 min read
Health
Radon Symptoms: What to Watch For (Hint: Almost Nothing)
Radon has no smell, no taste, and no short-term symptoms. Here's what to do instead of waiting for signs, and which homes need testing first.
8 min read
Health
What Causes Radon Gas in Homes? The Full Picture
Radon gas comes from uranium in the soil, then slips into homes through cracks. Here's the full picture for Ontario, with plain-English science.
9 min read
Mitigation
Radon Mitigation Systems in Canada: Cost, How They Work, What to Expect
Radon mitigation in Canada costs $2,800 to $3,800. Here's how a system works, who pays, install day, post-fix testing, and when DIY makes sense.
10 min read
Testing
Radon Test Kits in Canada: A Buyer's Guide for 2026
Radon test kits in Canada cost $25 to $300. Here's the full buyer's guide: kit types, where to buy, accuracy, and when a kit beats a pro test.
9 min read
Featured
Mitigation
Radon Mitigation in Guelph: What It Costs, How It Works, and Who Pays
Radon mitigation in Guelph: real costs ($2,800 to $3,800), how it works, and the Tarion warranty that pays up to $50,000 on new builds.
9 min read
Featured
Testing
Radon Testing in Mississauga: What It Costs, When to Test, and How to Read the Result
Radon testing in Mississauga: $99 flat, written report in days. DIY vs pro, when to test, and the Tarion path that pays on new builds.
8 min read
Featured
Guide
What Is Radon? A Complete Guide for Ontario Homeowners
Everything Ontario homeowners need to know about radon: what it is, why it matters, how it gets into homes, and what to do about it. Every claim is backed by a primary source.
8 min read