Heating Ventilation and Air Conditioning System Products in Noise Control as soundproofing materials

HVAC Heating, Ventilation, and Air Conditioning Products

HVAC products are components of the HVAC –Heating, Ventilation, and Air Conditioning system that offers thermal comfort and acceptable air quality indoors. HVAC system design is a branch of mechanical engineering. It is based on the principles of fluid mechanics, thermodynamics, and heat transfer. HVAC products are widely used in single residential homes, apartments, industrial buildings, hospitals, hotels, and ships. In short, wherever health and safe living conditions are essential with controlled temperature, humidity, and fresh outside air, HVAC system is a must. Some basic information about the important products constituting the HVAC system and their corresponding functions in keeping the premises and its occupants in comfort in both winter and summer are given below.

Thermostat: Among the most visible parts of the HVAC products, the thermostat is at the top. It is installed on a prominent, easily reachable place. It is programmed to the desirable settings. The thermostat senses the temperature and triggers the heat exchange or other units for starting the air circulating system, cool or warm air as required.
Furnace: The furnace is one of the important constituent of the HVAC system. Being large in size it needs more space, like the cellar, basement, a special closet specially designed or the attic. Furnace as the name suggests is the heat source, supplies warm air to the rooms through the HVAC system.
Evaporator coil: The evaporator coil cools the air when thermostat setting is kept low during summer. It is like a radiator in a car circulating cool air via the duct network.
Condensing unit: The condensing unit is installed outside the premises and its function is to pump the cool refrigerant which is in liquid form after heat exchange back to the evaporator coil to be converted into gas again.
Refrigerant lines: The refrigerant passes to the condensing unit through the refrigerant lines in gas form, and is then returned to the evaporator coil in the form of liquid. These “lines” are narrow copper or aluminum tubes which are heat resistant.
Ductwork: Ductwork is a system of ducts for carrying warm or cool air to different locations in the building. They are easy to install and are made from steel, fiberglass, plastic, fabric or polyurethane.
Vents: The vents are outlets usually rectangular in shape which convey the air from the duct system to user points. Vents are made of metal and are fitted close to the ceiling. Vents are opened and closed to control flow of air into the rooms.

All modern air handling systems like HVAC have air filters. These must be changed frequently and the condenser coil cleaned. Because HVAC products handle hot and cold air, regular maintenance is necessary to keep the system in good condition.

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