Indoor air · mold · healthier homes
Understand what’s in your indoor air — and what to do about it.
Practical, evidence-informed guidance on mold, indoor air quality, testing, cleaning, remediation, and healthier homes. Written by someone who got sick in a house that looked fine.
Start with the problem in front of you
Mold & MoistureLeaks, humidity, hidden growth, and the rooms that never feel dry.
Indoor Air QualityWhat’s in the air when the house looks clean: VOCs, dust, ventilation.
TestingWhat tests can tell you, what they miss, and where people get stuck.
Cleaning & RemediationWhat actually helped, what made us worse, and how to hire carefully.
Health & ExposureSymptoms that don’t show up neatly on labs, including in kids.
Air Purifiers & ProductsHonest notes on purifiers, vacuums, and cleaners I actually used.
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I’m Ava Hartwell. This site is what I learned after a house that looked fine made my family sick. It is not medical care and it is not a sales pitch for remediation.