Home Safety / Products / Radon in Residential Basements, Energy-Efficient Homes, and New Construction

Radon in Residential Basements, Energy-Efficient Homes, and New Construction — household safety profile

Low risk

Radon kills more Americans per year than drunk driving.

What is this product?

Radon kills more Americans per year than drunk driving. The fix is a pipe and a fan.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Base ingredients

Who's most at risk

  • Children — Developing endocrine and neurological systems, higher exposure per body weight

How to use it more safely

  • Test radon levels using EPA-approved testing kits or certified professionals
  • Install radon mitigation systems if levels exceed 4 pCi/L
  • Ensure proper ventilation and sealing of foundation cracks and gaps
  • Conduct periodic retesting annually or after home modifications

Red flags — when to walk away

  • Identified safety concern — Radon kills ~21,000 Americans per year from lung cancer (second only to smoking).

Green flags — what to look for

  • EPA Safer Choice certified — Meets EPA criteria for safer chemical ingredients

Safer alternatives

  • Sub-slab depressurization systems — Active radon reduction systems more effective than passive methods
  • Crawl space encapsulation and venting — Reduces radon entry for homes with crawl spaces instead of basements
  • Improved home ventilation and air sealing — Combined approach reduces radon infiltration in energy-efficient homes

Frequently asked questions

What's in Radon in Residential Basements, Energy-Efficient Homes, and New Construction?

This product type can contain: Radon-222 (Rn-222), among others. Click any compound name above for the full safety profile.

Who should be careful with Radon in Residential Basements, Energy-Efficient Homes, and New Construction?

Vulnerable populations identified for this product type: children.

How can I use Radon in Residential Basements, Energy-Efficient Homes, and New Construction more safely?

Test radon levels using EPA-approved testing kits or certified professionals; Install radon mitigation systems if levels exceed 4 pCi/L; Ensure proper ventilation and sealing of foundation cracks and gaps

Are there safer alternatives to Radon in Residential Basements, Energy-Efficient Homes, and New Construction?

Yes — consider: Sub-slab depressurization systems; Crawl space encapsulation and venting; Improved home ventilation and air sealing. See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →