They are typically installed in a return duct line and as air goes through the air handler unit the device filters out pollution.
Central air cleaning systems.
Many air cleaning systems filter out particles.
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The air conditioner unit should be cleaned annually in order to continue operating correctly.
The most common type of central air conditioning is the split system which features a large boxy condenser outside the home and a fan and coil system inside connected by pipes carrying.
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That can cause the indoor coil to freeze because of the reduced airflow locate the filter enclosure on the indoor furnace ac where the large fresh air return duct enters the unit.
Stand alone units are also available and commercial grade air purifiers are usually attached to an hvac unit.
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But only the pureair air purification system addresses all three types of indoor air pollutants.
Again moody cautions be careful with air purifying or hepa filters he says because they can dramatically reduce airflow in your system.
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