Sherman Fairchild Library (SFL) is an undergraduate library for Engineering and Applied Science that includes a print collection, reference services, group study rooms, a reading room, and more.

The library was built with funds provided by the Sherman Fairchild Foundation, on the site of the old Caltech heating plant.

Architect: Moore Ruble Yudell
Year occupied: 1997
Building number: 43
Building size: 37,171 gross square feet