Description of 2025 ASHRAE Handbook—Fundamentals
TABLE OF CONTENTS
Contributors
ASHRAE Technical Committees, Task Groups, and Technical Resource Groups
ASHRAE Research: Improving the Quality of Life
Preface
PRINCIPLES
Chapter 1. Psychrometrics (TC 1.1, Thermodynamics and Psychrometrics; TC 8.3, Absorption and Heat Operated Machines)
2. Thermodynamics and Refrigeration Cycles (TC 1.1)
3. Fluid Flow (TC 1.3, Heat Transfer and Fluid Flow)
4. Heat Transfer (TC 1.3)
5. Two-Phase Flow (TC 1.3)
6. Mass Transfer (TC 1.3)
7. Fundamentals of Control (TC 1.4, Control Theory and Application)
8. Sound and Vibration (TC 2.6, Sound and Vibration)
INDOOR ENVIRONMENTAL QUALITY
Chapter 9. Thermal Comfort (TC 2.1, Physiology and Human Environment)
10. Indoor Environmental Health (Environmental Health Committee)
11. Air Contaminants (TC 2.3, Gaseous Air Contaminants and Gas Contaminant Removal Equipment)
12. Odors (TC 2.3)
13. Indoor Environmental Modeling (TC 4.10, Indoor Environmental Modeling)
LOAD AND ENERGY CALCULATIONS
Chapter 14. Climatic Design Information (TC 4.2, Climatic Information)
15. Fenestration (TC 4.5, Fenestration)
16. Ventilation and Infiltration (TC 4.3, Ventilation Requirements and Infiltration)
17. Residential Cooling and Heating Load Calculations (TC 4.1, Load Calculation Data and Procedures)
18. Nonresidential Cooling and Heating Load Calculations (TC 4.1)
19. Energy Estimating and Modeling Methods (TC 4.7, Energy Calculations)
HVAC DESIGN
Chapter 20. Space Air Diffusion (TC 5.3, Room Air Distribution)
21.Duct Design (TC 5.2, Duct Design)
22. Pipe and Tube Design (TC 6.1, Hydronic and Steam Equipment and Systems)
23. Insulation for Mechanical Systems (TC 1.8, Mechanical Systems Insulation)
24. Airflow Around Buildings (TC 4.3)
BUILDING ENVELOPE
Chapter 25. Heat, Air, and Moisture Control in Building Assemblies—Fundamentals (TC 4.4, Building Materials and Building Envelope Performance)
26. Heat, Air, and Moisture Control in Building Assemblies—Material Properties (TC 4.4)
27. Heat, Air, and Moisture Control in Building Assemblies—Examples (TC 4.4)
MATERIALS
Chapter 28. Combustion and Fuels (TC 6.10, Fuels and Combustion)
29. Refrigerants (TC 3.1, Refrigerants and Secondary Coolants)
30. Thermophysical Properties of Refrigerants (TC 3.1)
31. Physical Properties of Secondary Coolants (Brines) (TC 3.1)
32. Sorbents and Desiccants (TC 8.10, Mechanical and Desiccant Dehumidification Equipment, Heat Pipes and Components)
33. Physical Properties of Materials (TC 1.3)
GENERAL
Chapter 34. Energy Resources (TC 2.8, Building Environmental Impacts and Sustainability)
35. Sustainability (TC 2.8)
36. Global Climate Change (TC 2.5, Global Climate Change)
37. Moisture Management in Buildings (TC 1.12, Moisture Management in Buildings)
38. Measurement and Instruments (TC 1.2, Instruments and Measurements)
39. Abbreviations and Symbols (TC 1.6, Terminology)
40. Units and Conversions (TC 1.6)
41. Codes and Standards
ADDITIONS AND CORRECTIONS
INDEX
Composite index to the 2022 Refrigeration, 2023 HVAC Applications, 2024 HVAC Systems and Equipment, and 2025 Fundamentals volumes