Before accepting a quote
Ask who will install the system and check their current mitigation certification. Confirm the written price, exclusions, electrical work and any travel charges.
After your test
Plan the work.
Verify the result.
A mitigation system should suit your home. Start with a qualified professional, a written scope and a clear follow-up plan.
What the system does
A common approach uses a fan and pipe to draw soil gas from beneath the building and discharge it outdoors. Your building’s foundation, layout and existing services affect the design.
Ask the installer to explain the proposed route, fan location and discharge point. This illustration is not a construction plan.
Find a mitigation specialist →
Before installation
Agree access, the proposed layout and responsibility for making good affected surfaces. Ask about fan noise, power use, maintenance and warranty terms.
Before calling it finished
Agree testing and follow-up responsibilities in writing. Keep the installation record, operating instructions and post-work results together.
Questions to take to the installer
- Why does this design suit my foundation and test result?
- What exactly is included in the price?
- How will I know the system is operating?
- What testing will check the reduction, and who arranges it?
- Who should I contact if a warning appears or radon levels rise?
Open the printable homeowner checklist →
Health Canada: radon reduction guidance ↗
Reviewed 23 September 2026. Questions are planning prompts, not an installation specification or a promise of price or performance.