A house is basically intended as a shelter against the harshness of the weather elements. It keeps away extreme heat and cold. It provides protection against the wind, rain or snow. Its walls roofs and floors are all barriers that withstand elements of the environment. A house also gives protection against threats caused by humans like burglary and violence. It is a fabricated shelter that separates those who live in it from inconveniences and danger outside. On the other hand, it is not all about shelter and security|But then again it is not all about shelter and security|However, it is not entirely about shelter and security. It is likewise about comfort which the HVAC system and other conveniences provide.<br><br>Electricity and running water are two basic necessities and conveniences that houses have. 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. Modern-day HVAC systems however are more dependable and manageable. The temperature inside a house or room can be maintained automatically with the use of a programmable electronic thermostat that is attached to the system.<br><br>Heating is an essential aspect of internal climate control during winter or when temperature dips. The heating component can either be a gas-fired boiler or may be made part of the air conditioning unit. There are AC units that can both cool and heat a room. It is all about adjusting the temperature control. Interior heating can be made more efficient if the house have reliable insulation 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 also often combines water filtering parts.<br><br>Ventilation is mainly about the movement of air as it enters the house and exits it. It may also include air filtration to keep dust, bad smell, contaminants and disease causing microorganisms from 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 likewise helps control the flow of air.<br><br>Finally, the air conditioning unit is perhaps the HVAC component that consumes the most amount of energy in the form of electricity. It is simply a heat put that takes heat out of one location like the house’s interior and expends it somewhere else. 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.<br><br>All the parts that constitute an HVAC system must be well-coordinated and designed in a manner that will suit the environmental needs. Their efficiency must be at a maximum level so as to avoid wasting energy and having to pay 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.<br><br>If you want to learn more about the topic discussed, you can visit <a href=”http://ezinearticles.com/?Money-Saving-and-Stress-Relieving-Tips-When-Building-Your-House&id=7452088″ target=’_blank’>SerenityHomes</a> ezine article. You can also read this <a href=”http://serenityhomes01.wordpress.com/2012/12/27/4-biggest-mistakes-in-home-design/” target=’_blank’>Serenity-homes</a> WordPress article for other details.