This volume constitutes the refereed proceedings of the Third International Conference on The Future of Heritage Science and Technologies, Florence Heri-Tech 2022, held in Florence, Italy, in May 2022.

The 32 papers presented in this volume were thoroughly reviewed and selected from 101 submissions. They are organized in the topical sections on 3D reconstruction of tangible cultural heritage and monitoring devices; IA and AR/VR based methods and applications for CH; methods and systems for enhancing heritage fruition and storytelling; virtual museums and virtual tours.