Selection And Maintenance Of HVAC Systems
The main purpose of having Heating, Ventilation and Air Conditioning (HVAC) system in a home or building is to ensure good indoor air quality through adequate ventilation with filtration and to provide thermal comfort. In most parts of the country, the use of HVAC system is required by climatic conditions for acceptable thermal comfort.
How to choose the HVAC system
The selection of an HVAC is sometimes a complicated process because there are many factors that have to be considered like the heating and cooling needs, humidity control, energy efficiency, indoor air quality, outdoor air quantity and quality, potential for natural ventilation and costs.
There are different types of HVAC air handling units (AHU’s) but the most common are unit ventilators and ind...