This text investigates the fundamental principles of heat and mass transfer as they apply to the design, performance, and energy efficiency of modern building envelopes. Keith Moss provides a technical framework for understanding how thermal energy and moisture move through building materials and ventilation systems. The book synthesizes physical laws with practical engineering applications to assist professionals in optimizing indoor environmental quality and structural longevity.

Experts recognize this work as a technical reference for building services engineers and architectural students. Readers frequently note the academic density of the prose and the reliance on precise mathematical formulations to explain complex physical phenomena.