Jeffrey C. May

Jeffrey C. May, principal scientist with May Indoor Air Investigations, LLC, an indoor air-quality investigation company in Tyngsborough, Massachusetts. A former contractor, home inspector and educator, May is author (with his wife, Connie) of My House Is Killing Me!, 2^nd edition and The Mold Survival Guide. He holds a master’s degree in organic chemistry from Harvard and is a Certified Microbial Consultant and Certified Indoor Air Quality Professional. MayIndoorAir.com

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Mold Remediation: What You Should Know

Featured Expert: Jeffrey C. May | February 13, 2026

Mold is a frightening four-letter word for homeowners. It conjures up images of serious respiratory symptoms and massive mold-removal bills. Good news: Most household mold...

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Think You Have Mold?

Featured Expert: Jeffrey C. May | July 21, 2023

Homeowners who see furry black spots on walls or around windows —the signs of mold—often rush to contact a remediation company. But beware—many of these...

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