Green air exchange system Questions

Who do I call to have my air tested in my home?

— Kathy F North Jackson, OH

Answered by Scott Grieves, CPM, CEA on January 6, 2015

Is closed-cell foam -- sprayed in -- OK to use for an entire house in southeastern PA?

— Nelson Nafziger Parkesburg, PA

Answered by Sean Lintow Sr on May 25, 2010