sexta-feira, 22 de fevereiro de 2013

Importance Of A Dependable HVAC System

A house is basically intended as a shelter against the harshness of the weather elements. It isolates against extreme cold and extreme heat. It gives protection against the wind and rain or snow. Its walls, roofs, and floors serve all serve as barriers in opposition to the natural environment. A house also provides security against human threats such as burglary and violence. It is an artificial shelter that separates its occupants from all the inconveniences and threats of the outside. On the other hand, it is not all about shelter and security. It is also about comfort, which is provided by the HVAC system and other conveniences.

Electricity and running water are basic conveniences and necessities of a house. The artificial HVAC or heating, ventilation, and air conditioning system arguably can be considered as secondary necessities along with the entertainment system and the security alarm system. For many centuries, human habitats have relied on architecture, house materials, windows, fireplace and the natural weather or climate cycles for HVAC purposes. The modern-day HVAC system is more dependable and controllable. The interior temperature of a house or a room can be automatically maintained with the help of an electronic, programmable thermostat that is connected to the system.

Heating is a particularly important aspect of internal climate control during winter or extremely cold weather situations. The heating component may involve gas-fired central boiler or may be integrated with the air conditioning unit. Some AC units can have both cooling and heating functions. It is just a matter of adjusting the temperature. Interior heating can be made more efficient if the house have reliable insulations that prevent the escape of heat. A heating or boiler unit also serves as water heating unit that is used for heating the water in the bathroom. The unit oftentimes also incorporates water filtering components.

Ventilation is mainly about the flow or circulation of the air from the outside, entering the house and then exiting. It may also involve air filtering to prevent dust, bad smell, contaminants, and pathogens form entering the house. In most cases, however, it may simply involve closing or opening the windows and doors. On the other hand, it may involve exhaust fans and air ducts when it comes to bigger houses. The air conditioning unit also helps control the ventilation.

Finally, the air conditioning unit is perhaps the HVAC component that consumes the most amount of energy in the form of electricity. It is basically a heat pump that takes the heat from one location (typically the house interior) and dissipates it elsewhere. This is accomplished through the circulation of a coolant fluid, usually Freon, from one set of coil tube to another set of coil tube known as condenser. The coolant is pressurized and circulated by an electricity-driven pump.

All the components of an HVAC system must be well-integrated and designed in a way that will be suitable for the environmental needs. They must also be as efficient as possible to avoid wastes and high electric or gas bills. Many construction companies and architectural firms have special units that focus on designing HVAC systems to optimize comfort while also minimizing energy consumption.

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