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 | What Is an HVAC System and How Does It Work? - Thermal Engineering
An HVAC system, standing for Heating, Ventilation, and Air Conditioning, is a technology of environmental comfort. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. HVAC systems are a vital part of residential structures such as ...
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 | HVAC | System, Description, & Facts | Britannica
HVAC, mechanical system used to control the temperature, humidity, and movement of air throughout a building or other indoor space. HVAC systems are used extensively in homes and businesses for comfort as well as safety from extreme weather or the effects of poor air circulation. They are also
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