Temperature and humidity control play a critical role in the protection and preservation of historical documents and resources. Our work includes designing and updating systems that safeguard our national treasures.

Historical Archives

Enoch Pratt Free Library

Renovations help protect rare books, special collections, and the Mencken collection

Maryland Historical Society

A new gallery building and expanded research library

Folger Shakespeare Library

A climate-controlled vault space for the historic First Folios

Georgetown University Lauinger Library

Protecting the university’s special collections, including historical documents

National Academy of Sciences

A major modernization helps protect the resources of “America’s Temple of Science”

Smith Library at Mount Vernon

A destination for scholars of the nation’s first President and the Founding Fathers

Dumbarton Oaks

Upgrades to a historic Harvard University research institute