An indoor unit (air handler) is the inside portion of a split HVAC system. It houses the evaporator coil, blower, and air filter, and circulates conditioned air through the building. Indoor units are essential for comfort, humidity control, and air quality.
/ˈɪnˌdɔr ˈjuː.nɪt/
An indoor unit (air handler) is the inside portion of a split HVAC system. It houses the evaporator coil, blower, and air filter, and circulates conditioned air through the building. Indoor units are essential for comfort, humidity control, and air quality.
What does an indoor unit do?
It circulates conditioned air and houses key components like the coil, blower, and filter.
Source: The Cooling Company
Indoor units distribute conditioned air through the home.
In a split system, the indoor unit pairs with the outdoor condenser to deliver cooling and heating throughout the home.
Replace filters on schedule and keep the indoor unit clean to maintain airflow and efficiency.
“Replace filters on schedule and keep the indoor unit clean to maintain airflow and efficiency.”
A clogged indoor filter can reduce system efficiency and strain the blower motor.
Is an indoor unit the same as a furnace?
Not always. A furnace heats air, while indoor units can be air handlers or fan coils.
How often should indoor unit filters be changed?
Typically every 1-3 months depending on filter type and conditions.
Can an indoor unit be moved?
Yes, but relocation should be done by a professional to avoid airflow issues.
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