HVAC Heating Ventilation Air Conditioner...

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Uploaded by on Oct 30, 2010

HVAC
Term used for Heating, Ventilation, and Air Conditioning. he main purposes of a Heating, Ventilation, and Air-Conditioning (HVAC) system are to help maintain good indoor air quality through adequate ventilation with filtration and provide thermal comfort. HVAC systems are among the largest energy consumers in schools. The choice and design of the HVAC system can also affect many other high performance goals, including water
consumption (water cooled air conditioning equipment) and acoustics (See Acoustics). The following actions detail how engineers can design a quality system that is cost-competitive with traditional ventilation designs, while successfully providing an appropriate quantity and quality of outdoor air, lower energy costs, and easier aintenance.

HVAC
Término utilizado para Calefacción, Ventilación y Aire Acondicionado. Los principales objetivos de un sistema de Calefacción, Ventilación y Aire Acondicionado (HVAC) son para ayudar a mantener una buena calidad del aire interior a través de una ventilación adecuada con la filtración y proporcionar confort térmico. Los sistemas de climatización se encuentran entre los mayores nsumidores de energía en las escuelas. La elección y el
diseño del sistema de aire acondicionado también puede afectar a muchos otros objetivos de alto rendimiento, incluyendo el consumo de agua (refrigerado por agua de los equipos de aire acondicionado) y acústica.
El detalle de las acciones siguientes detallan cómo los ingenieros pueden diseñar un sistema de calidad a comparacion con los diseños tradicionales de ventilación, y l mismo tiempo proporcionar cantidad y calidad del aire exterior, reducir los costos de energía y un mantenimiento más fácil.

HVAC Heating Ventilation Air Conditioner From Wikipedia
HEATING From Wikipedia
A heater is object that emits heat or causes another body to achieve a higher temperature. In a household or domestic setting, heaters are usually appliances whose purpose is to generate heating (i.e. warmth). Heaters exists for all states of matter, including solids, liquids and gases.
The opposite of a heater (for warmth) is an air cooler (for cold) (see air conditioning) used to keep the user cooler than the temperature originally surrounding them.

VENTILATION From Wikipedia
An air handling unit is used for the heating and cooling of air in a central location (click on image for legend).Ventilating (the V in HVAC) is the process of "changing" or replacing air in any space to provide high indoor air quality (i.e. to control temperature, replenish oxygen, or remove moisture, odors, smoke, heat, dust, airborne bacteria, and carbon dioxide).
Ventilation is used to remove unpleasant smells and excessive moisture, introduce outside air, to keep interior building air circulating, and to prevent stagnation of the interior air. Ventilation includes both the exchange of air to the outside as well as circulation of air within the building. It is one of the most important factors for maintaining acceptable indoor air quality in buildings. Methods for ventilating a building may be divided into mechanical/forced and natural types.

AIR CONDITIONING From Wikipedia
Air conditioning is the removal of heat from indoor air for thermal comfort. In another sense, the term can refer to any form of cooling, heating, ventilation, or disinfection that modifies the condition of air.[1] An air conditioner (often referred to as AC or air con.) is an appliance, system, or machine designed to stabilise the air temperature and humidity within an area (used for cooling as well as heating depending on the air properties at a given time), typically using a refrigeration cycle but sometimes using evaporation, commonly for comfort cooling in buildings and motor vehicles. The concept of air conditioning is known to have been applied in Ancient Rome, where aqueduct water was circulated through the walls of certain houses to cool them. Similar techniques in medieval Persia involved the use of cisterns and wind towers to cool buildings during the hot season. Modern air conditioning emerged from advances in chemistry during the 19th century, and the first large-scale electrical air conditioning was invented and used in 1902 by Willis Haviland Carrier.

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  • they said window units... i don't believe that carrier even makes window air conditioners anymore! At least that's what i heard.

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