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!, 2nd 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.
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...
