An air handler, often referred to as an AHU (Air Handling Unit), is a vital component of a building’s HVAC (that’s Heating, Ventilation, and Air Conditioning) system. It regulates and circulates air throughout the building, ensuring that the indoor environment remains comfortable and healthy.
Think of an air handler as the heart of your HVAC system, pumping conditioned air to every corner of your living or working space.
The Primary Function of an Air Handler
Essentially, an air handler works by taking in air, conditioning it to the desired temperature and humidity levels, and then delivering it through a network of ducts. It can either heat or cool the air, and often integrates with filters to improve air quality by removing dust, pollen, and other impurities.
The blower, or fan, within the air handler is responsible for moving air through the ductwork and into various spaces within the building. This ensures a consistent and controlled indoor climate, enhancing comfort and air quality.
In addition to air distribution, air handlers also play a crucial role in air filtration. They contain filters that capture dust, pollen, and other airborne particles, improving indoor air quality and protecting the HVAC system from potential damage.
Key Components of an Air Handler
To accommodate the primary function of regulating and circulating air within a heating, ventilation, and air conditioning (HVAC) system, the air handler serves as the central unit that ensures the distribution of conditioned air throughout a building.
An air handler houses several key components, including the blower, heating and cooling elements, filter racks, and dampers. These components work together to condition the air by heating, cooling, filtering, and humidifying or dehumidifying it as needed.
Another essential component is the filter. Air filters are used to remove dust, pollen, and other airborne particles from the air before it is circulated throughout the building. This helps improve indoor air quality and protects the internal components of the air handler from contamination.
Now the coil, which can be either a heating coil or a cooling coil, is another critical part of an air handler. The heating coil warms the air when heating is needed, while the cooling coil cools the air when air conditioning is required. These coils work in conjunction with the HVAC system’s heat pump or furnace and air conditioner or chiller.
Dampers are also integral to an air handler’s operation. These adjustable plates or valves control the flow of air within the ductwork. They can be used to regulate the amount of air that passes through different sections of the system, allowing for precise control over airflow and temperature distribution.
Lastly, the control system of an air handler includes various sensors, thermostats, and controllers that monitor and adjust the unit’s operation. These components ensure that the air handler operates efficiently and maintains the desired indoor climate!
Required Air Handler Maintenance
Regular maintenance of air handlers is crucial to ensure their efficient operation and longevity. One of the primary tasks is to replace or clean the air filters. Dirty filters can restrict airflow, reduce efficiency, and degrade indoor air quality. Depending on the type of filter and usage, this should be done every 1 to 3 months.
Regular inspection also helps:
- The air handler’s coils prevent dirt buildup, which may otherwise impede heat exchange and reduce system efficiency. Clean the coils at least once a year to maintain optimal performance!
- Ensure the blower fan operates smoothly, as it is essential for circulating conditioned air throughout your home. If there is unusual noise or reduced airflow, it might be a sign that the blower fan needs professional attention.
- Check that filter racks are securely in place. Properly installed filter racks are key to capturing particulates like dust and pollen, thus maintaining indoor air quality.
- Reduce noise levels from your HVAC system, providing a quieter operation for enhanced comfort.
- Monitor the electrical connections and control systems of your air handler. Loose or corroded connections can lead to operational faults or even complete system failure, necessitating increased regular checks and professional servicing.
Consider a professional tune-up at least once a year. A certified HVAC technician like those here at ACHV Services can conduct a thorough inspection, address any emerging issues, and ensure your system runs efficiently and reliably. We’re always there for your air. Call/text us today!
