Columbus AC Question: What Does an Air Handler Do?
Your Columbus HVAC system is complex and filled with vital components tasked with keeping you comfortable. One of the most important of those components is the air handler – the device responsible for circulating the heated or cooled air produced by your system through the vents in your home and into each of your rooms.
The air handler is a metal box, usually consisting of a blower and the heating or cooling elements. It might also include dampers and sound attenuators along with an air filtration and humidity control system. The simplest air handlers are designed only to transfer the heated or cooled air to the various parts of your home, while the most advanced devices are designed to perfectly condition and clean that air as it is circulated.
There are a few different types of air handlers as well, depending on the size of your Columbus HVAC system and the nature of the heating and/or cooling needs. For example, most homes use terminal units, which consist of just an air filter, blower and coil. This very simple system is all you really need to heat and transmit air through your ductwork.
However, for larger systems, there are also makeup air units, which use outdoor air instead of recirculated indoor air. There are also packaged and rooftop units that are designed to be placed outside. These devices are most commonly used for commercial applications when space is limited.
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How the Air Handler Works
An air handler’s most basic component is a blower fan. This device is run by an AC electric motor and can be either single speed or variable speed depending on the size and scope of your air handler. The dampers on the fan will control the flow rate of the air going through the blower fan. Most residential blowers are part of the air conditioning or furnace system, while commercial systems often have multiple blowers to maintain steady airflow for a larger space.
Because all air passes through the air handler, and then through your vents, it is the best place to install high quality MERV or HEPA filters to remove pathogens and contaminants. It is also a good place to install humidity control devices to either raise or lower humidity depending on the time of the year.
Your air handler is an incredibly important component in your Columbus heating and cooling system. Without it, all that heated and cooled air you pay for each year wouldn’t reach you. So, make sure to keep your system in tip top condition.