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HVAC:
Heating, ventilation, and air conditioning is the technology of indoor and vehicular 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. "Refrigeration" is sometimes added to the field's abbreviation, as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR (as in the designation of HACR-rated circuit breakers).
HVAC is an important part of residential structures such as single family homes, apartment buildings, hotels and senior living facilities, medium to large industrial and office buildings such as skyscrapers and hospitals, on ships and submarines, and in marine environments, where safe and healthy building conditions are regulated with respect to temperature and humidity, using fresh air from outdoors.
The three central functions of heating, ventilation, and air conditioning are interrelated, especially with the need to provide thermal comfort and acceptable indoor air quality within reasonable installation, operation, and maintenance costs. HVAC systems can be used in both domestic and commercial environments. HVAC systems can provide ventilation, and maintain pressure relationships between spaces. The means of air delivery and removal from spaces is known as room air distribution.[3]
Individual systems
In modern buildings, the design, installation, and control systems of these functions are integrated into one or more HVAC systems. For very small buildings, contractors normally estimate the capacity and type of system needed and then design the system, selecting the appropriate refrigerant and various components needed. For larger buildings, building service designers, mechanical engineers, or building services engineers analyze, design, and specify the HVAC systems. Specialty mechanical contractors then fabricate and commission the systems. Building permits and code-compliance inspections of the installations are normally required for all sizes of building.
District networks
Although HVAC is executed in individual buildings or other enclosed spaces (like NORAD's underground headquarters), the equipment involved is in some cases an extension of a larger district heating (DH) or district cooling (DC) network, or a combined DHC network. In such cases, the operating and maintenance aspects are simplified and metering becomes necessary to bill for the energy that is consumed, and in some cases energy that is returned to the larger system. For example, at a given time one building may be utilizing chilled water for air conditioning and the warm water it returns may be used in another building for heating, or for the overall heating-portion of the DHC network (likely with energy added to boost the temperature).
Fu-VISION PVT LTD, Coimbatore - Pioneers in software training programmes, which has quality training and infrastructure up to the mark of the IT industry requirements. Fu-VISION is a way proud to mention that the Job oriented IT Training is inclusive of platforms that have wider scope in the prevailing and forthcoming IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training *** Placement Assurance.
PLS CONTACTFOR MORE DETAILS CALL IMMEDIATE: 9360029290 / 9442173717 Fu-VISION TRANING SOLUTION PVT LTD
COIMBATORE: HEAD OFFICE
NO: 96-A SREE NAGAR,
PALANI AANDAVAR ILLAM, 1nd FLOOR OPP KRISHNA SWEETS,
AVINASHI ROAD, PEELAMEDU,
HOPES COLLEGE BUS STOP, COIMBATORE-641004.
COIMBATORE: BRANCH 2nd FLOOR,
SAI TOWERS, DIAGONALLY OPP TO GANGA-YAMUNA-KAVERI THEATRE
ABOVE BAJAJ MOTORCYCLES,
GP (100FT ROAD) COIMBATORE-641012
MAIL ID: [email protected]
Website: www.fu-vision.com / www.fu-vision.in
Email: [email protected]
Mobile number: 9360029290
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