Radon
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Are Hazardous Vapors Seeping Into Your Basement?
The movement of underground contaminants into buildings is attracting increased scrutiny from health experts
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Upgrading a Crawl Space
A homeowner wonders how to heat a crawl space and worries about risks from radon
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Radon Mitigation in a Leaky House
A reader weighs the pros and cons of various ventilation options as a way of lowering the health risks from radon
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Radon and a Passive House
Just because your new passive house is very, very tight, doesn’t mean that you don’t need a radon mitigation system
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EPA Issues Radon Reminder
Warning that radon kills thousands of people annually, the government agency urges more people to test their homes
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Foundations — Part 1
How your house meets the ground, and the many ways to improve your foundation details
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Exhaust-Only Ventilation Systems and Radon
Do exhaust-only ventilation systems increase the risk of radon entry?
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All About Radon
If you are worried about radon, the first step is to test your indoor air
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Radon and Airtightness
The relationship between radon gas levels in existing homes and how airtight they are is not well understood but we should be testing homes after energy upgrades
