Jeffrey C. May

Jeffrey C. May, principal scientist with May Indoor Air Investigations, LLC, an air-quality assessment company in Tyngsborough, Massachusetts. MayIndoorAir.com. He is author of four books on indoor environments, including My House Is Killing Me! and his most recent, Jeff May’s Healthy Home Tips.

Articles by this author

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Think You Have Mold?

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...

Exhaust Dehumidifiers Don’t Actually Dehumidify

Jeffrey C. May | July 29, 2020

Don’t fall for suggestions that an “exhaust-only dehumidifier” is what you need.