Munters Moisture Control Services, headquartered in Amesbury, used desiccant dehumidifiers to create “super dry” air inside the buildings that had flooded. According to the company, the air becomes so dry that it pulls moisture right out of wet sheet rock, carpeting, and concrete blocks.

At Harvard Law School, a basement library was dried and a collection of books was protected from surrounding high humidity.

“We go to at least four major water-damage disaster sites each year,” said Lauren Reid, general manager at Munters.

By using high-tech industrial dehumidifiers to dry out buildings damaged by water, the company says that buildings — which would normally be gutted and rebuilt after flooding — can be dried at less than half the expense of reconstruction.

Larger dehumidifiers can evaporate more than 800 gal/day directly from soaked walls, floors, and furniture, the company said.