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 | Heating, ventilation, and air conditioning - Wikipedia
An HVAC technician is a tradesman who specializes in heating, ventilation, air conditioning, and refrigeration. HVAC technicians in the US can receive training through formal training institutions, where most earn associate degrees.
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 | What Is HVAC? A Comprehensive Guide
What is HVAC? HVAC stands for heating, ventilation, & air conditioning. It encompasses the equipment used to control the heating & cooling indoors.
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 | What Is HVAC? How Home Ventilation Systems Work
What is HVAC? HVAC is an acronym for heating, ventilation, and air conditioning. HVAC systems control the temperature inside the home through a variety of methods, though most involve pumping air over cooling coils or a heat exchanger to increase or decrease the air temperature. The air is then blown into the home through vents and ductwork.
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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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