HVAC stands for heating, ventilation, and air conditioning and it refers to systems that help in controlling the climate inside an enclosed environment. The aim of HVAC systems is to make the occupants feel comfortable by helping regulate the temperature and the air flow inside the environment. HVAC systems also have an impact on health because systems that successfully regulate the airflow can help eliminate mold and other harmful organisms from the environment. HVAC systems are also important in other settings like museums where controlling the climate can help in preserving historical displays.
When choosing an HVAC, there are many factors to consider. First of all, size is important. The size of the HVAC should be one of the first things that should be taken into account because the right size will make the whole operation of the HVAC more efficient. The HVAC contractor will usually give the estimate and recommendation as to the size of the HVAC needed for a particular location. This is in fact one of the hardest duties of the HVAC contractor. If the contractor recommends a system that is either too large or too small it will result in the purchase of a system that will perform inefficiently. This will mean that operating the system will cost more in the long term. An air conditioner that is too large for an intended space will not be efficient in dehumidifying the room, while a furnace that is too large will likely cause a large swings in temperature and result in a climate that is not comfortable to the occupants of the room.