The ASHRAE Fundamentals Handbook 2021 is published by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). This handbook provides essential information for the design, construction, and operation of heating, ventilation, and air-conditioning (HVAC) systems. The 2021 edition is the most current and authoritative source of information on HVAC fundamentals.
The ASHRAE Fundamentals Handbook 2021 is published by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). This handbook provides essential information for the design, construction, and operation of heating, ventilation, and air-conditioning (HVAC) systems. The 2021 edition is the most current and authoritative source of information on HVAC fundamentals.