Neelkanth Publishers (NK)Heating, ventilation, and air conditioning HVAC  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. 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, vehicles such as cars, trains, airplanes, 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. Ventilating or ventilation the V in HVAC is the process of exchanging or replacing air in any space to provide high indoor air quality which involves temperature control, oxygen replenishment, and removal of moisture, odors, smoke, heat, dust, airborne bacteria, carbon dioxide, and other gases. Ventilation removes unpleasant smells and excessive moisture, introduces outside air, keeps interior building air circulating, and prevents stagnation of the interior air.
UNBOXING OF RAC BOOK
Refrigeration and Air Conditioning - RAC Study Materials
Last updated: August 12, W hat's the best way to cool down your kitchen on a hot summer's day? If your immediate answer is "Open the refrigerator door," you're way off target. Every bit of heat a refrigerator sucks in through its cool box is pumped straight out of the metal fins at the back. If anything, because of the sheer inefficiency of the machine, you'll make the room even hotter.
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Skip to main content. Best sellers Previous page. Ultimate Guide to Home Repair and Improvement Modern Refrigeration and Air Conditioning. Basic Refrigeration and Air Conditioning. Refrigeration and Air Conditioning Technology.