Radon is an invisible and odorless gas that silently seeps into Quebec homes. About 16% of lung cancer deaths in Canada are attributed to radon, making it a major concern for homeowners. Learn why a professional air analysis is essential for your home, how to detect this contaminant, and the available solutions to maintain an optimal indoor environment.

Why test your home’s air for radon?

Radon is produced by the natural breakdown of uranium found in Quebec’s soil. This gas infiltrates your home through foundation cracks, construction joints, and openings around pipes. Without testing, there’s no way to know if your home is affected.

In Quebec, radon levels vary greatly from one region to another — and even from one house to the next on the same street. Your neighbor may have high concentrations while your home may be perfectly safe. The only way to know: get your air tested.

The advantages of a professional test

Peace of mind A professional test gives you accurate information about your indoor air quality. Safe results? You can rest easy. High levels? You can act quickly before the problem worsens.

Protecting your property investment Your home is likely your largest investment. A documented radon analysis shows that you’re a responsible homeowner and can make a future sale much easier.

Anticipating legal requirements Regulations are constantly evolving. By testing your air now, you stay ahead of potential future requirements and avoid unpleasant surprises during a real estate transaction.

Comprehensive property documentation A professional analysis provides you with a detailed report to keep with your home documents — a valuable asset that demonstrates the quality of your property.

Standards to know in Quebec

Health Canada recommends taking action when concentrations exceed 200 becquerels per cubic meter (Bq/m³). This national guideline gives you a clear reference point for evaluating your situation.

In Quebec, even without a legal requirement, having your air tested for radon is a smart decision. Potential buyers increasingly ask about this issue during real estate transactions. Being proactive gives you a strong advantage.

how to have your home's air tested

How to have your home’s air analyzed

Hiring a specialized company ensures:

  • Reliable and accurate results
  • Certified and calibrated measurement devices
  • A detailed professional report
  • Personalized recommendations for your situation
  • Complete service from testing to solutions

Professional testing follows recognized Canadian standards. You receive an official document that you can present during a sale or simply keep for your records.

When to test your air

The best time: winter

The heating season is ideal for radon testing. Closed windows and an active heating system create conditions where concentrations are usually at their highest, giving you the most accurate picture of your situation.

Which rooms should be tested first?

Focus on the spaces you use most:

  • Bedrooms in the basement or on the ground floor
  • Family room in the basement
  • Home office
  • Living areas used daily

Solutions to improve your air: what to do if results are high

If your test shows concentrations above 200 Bq/m³, several proven solutions exist to fix the problem. The key is to act quickly to protect your investment.

Depressurization system: the most effective solution

This is the most commonly installed system in Quebec. A professional installs a ventilation system beneath your concrete slab that prevents radon from entering your home.

Advantages:

Considerations:

  • Requires a certified professional
  • Minimal but constant electricity use
  • Visible installation (exhaust pipe)

Improving ventilation: a complementary approach

Installing or optimizing your ventilation system (HRV/ERV) can help reduce radon levels while improving overall comfort.

Advantages:

  • Improves overall air quality
  • Reduces humidity throughout the house
  • Can integrate with your existing system
  • Creates a healthier indoor environment

Limitations:

  • Less effective alone for high concentrations
  • Slightly higher energy costs
  • Requires regular maintenance

sealing cracks: a first step

Sealing cracks: a first step

Sealing cracks in your foundation is always a good idea, but rarely sufficient as a stand-alone radon solution.

Advantages:

  • Improves energy efficiency
  • Reduces water infiltration
  • Complements other solutions
  • Moderate investment

Important to know:

  • Not a complete solution on its own
  • Radon can pass through intact concrete
  • Should be combined with a depressurization system for high concentrations

Air quality specialists can assess your specific situation and recommend the best combination of solutions for your home.

Radon and real estate sales: why it matters

The seller’s declaration form

In Quebec, the OACIQ form explicitly asks whether a radon test has been performed. Here’s why keeping this information current is crucial:

Facilitates negotiation: Compliant results or an already installed mitigation system eliminate a major buyer concern and help prevent low counteroffers related to this issue.

Speeds up the sale process: Informed buyers will want to know radon levels. Having that information ready avoids delays during the critical transaction period.

Demonstrates transparency: Providing a recent radon report voluntarily shows that you’re a responsible homeowner. It builds trust and can justify your asking price.

The advantage of an installed system

If your test revealed high levels and you’ve already installed a mitigation system, that’s actually a selling point:

  • The issue is already resolved
  • The buyer won’t have to spend anything
  • The system improves overall air quality
  • You can provide installation documentation

Preventive analysis: a worthwhile investment

Even if you’re not planning to sell soon, having your air tested now prepares you for the future. The Quebec real estate market is placing more and more value on indoor air quality.

Don’t let the unknown linger over your indoor air quality. A simple test gives you clear answers and allows you to take informed action.

Radon air testing is a modest investment that protects your most valuable asset: your home. Smart Quebec homeowners don’t wait for a problem — they proactively verify their indoor air quality.

Contact Benjel today to schedule your professional air quality analysis. You deserve to know exactly what you’re breathing at home.

Frequently Asked Questions

1. Why should I hire a professional instead of using a home detector?

Certified professionals use high-quality equipment for optimal accuracy. They identify the best testing locations and provide tailored solution recommendations.

2. My neighbor’s test showed no radon problem. Do I still need to test my home?

Absolutely. Radon levels vary greatly between homes, even identical ones side by side. Only a professional test of your own home can reveal your true exposure level.

3. Can I just open windows to fix a radon problem?

No. Ventilation provides only temporary relief and is impractical during Quebec winters. A professionally installed active depressurization system remains the most effective long-term solution.

4. Are new homes protected from radon by current building standards?

Not necessarily. Newer homes sometimes show higher concentrations than older ones. Quebec’s building standards still have significant gaps. Every home — new or old — should be professionally tested.

5. How soon after installing a mitigation system will radon levels drop?

A properly installed professional system typically reduces concentrations within a few days. A follow-up test confirms the effectiveness and provides documentation for peace of mind.