Onyx Radon Blog

Radon, explained for Calgary homeowners

Clear, practical guides on testing, mitigation, costs and selling your home — by certified radon specialists.

DIY Radon Test Kits vs Professional Testing: Which Is Right for You?

Compare DIY radon test kits and professional radon testing in Calgary, including accuracy, cost, and when each option makes sense.

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Do New Homes in Calgary Have Radon? Radon Rough-Ins and the Building Code

New Calgary homes can still have high radon. Learn what the radon rough-in in your build means and why testing is still essential.

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How Does a Radon Mitigation System Work? Sub-Slab Depressurization Explained

A plain-language explanation of how sub-slab depressurization removes radon from Calgary homes and why it is the gold-standard method.

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How to Choose a C-NRPP Certified Radon Professional in Calgary

What to look for when hiring a radon professional in Calgary, why C-NRPP certification matters, and the questions to ask before you commit.

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Radon and Lung Cancer: What Every Calgary Homeowner Should Know

Radon is a leading cause of lung cancer in non-smokers. Learn the real health risks and how Calgary homeowners can reduce exposure.

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Radon Fan Installation: What to Expect in Your Calgary Home

A step-by-step walkthrough of radon fan installation in Calgary, including timeline, noise, placement, and what happens on install day.

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Radon FAQ for Calgary Homeowners

Straight answers to the most common radon questions from Calgary homeowners, from testing and health risks to mitigation and cost.

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Radon in Calgary: Why Alberta Homes Are at High Risk

Learn why Calgary and Alberta homes face elevated radon risk, what the local geology means for you, and how to protect your family.

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Radon Mitigation for Basements and Dirt Crawlspaces in Calgary

How radon mitigation works for finished basements and dirt-floor crawlspaces in Calgary homes, including sub-membrane depressurization.

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How Much Does Radon Mitigation Cost in Calgary?

A clear breakdown of radon mitigation costs in Calgary, what affects pricing, and what your investment actually buys for your home.

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Radon Testing When Buying or Selling a Home in Alberta

How radon testing fits into Alberta real estate transactions, what buyers and sellers should know, and how to handle it on a timeline.

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Selling Your Calgary Home: How to Pass a Radon Test

A seller's guide to radon testing when listing your Calgary home, how to handle a high result, and how to keep your sale on track.

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Short-Term vs Long-Term Radon Testing: Which One Do You Need?

Understand the difference between short-term and long-term radon tests, and learn which one suits your situation in Calgary.

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Understanding Radon Levels: Becquerels and the 200 Bq/m³ Guideline

What does your radon test number mean? Understand becquerels, the Health Canada 200 Bq/m³ guideline, and how to interpret your result.

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Why Winter Radon Levels Spike in Calgary Homes

Radon levels often peak in winter. Learn why Calgary's cold-climate homes draw more radon indoors and why heating season is the best time to test.

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