We are building and indoor air quality
consultants who perform:

    • Mold inspections
      • Mold testing
        • Odor testing

We investigate moisture problems and do indoor air quality testing in:

    • Homes
      • Schools
        • Offices

See May Indoor Air Investigations, LLC and Angie’s List.

We are authors who write books and articles on indoor air quality. See Library.


Over the last twenty years, we have given presentations on indoor air quality and building problems to such organizations as:

  • American Academy of Allergy, Asthma and Immunology
  • American Industrial Hygiene Association
  • American Society of Home Inspectors
  • Boston Society of Architects
  • Cleveland Area Board of Realtors
  • Journal of Light Construction Annual Conference
  • Maine Indoor Air Quality Council
  • Massachusetts General Hospital
  • New England Pest Management Association