How to Know When to Change an AC Filter
The air filter on air conditioning units filters out debris and contaminates which will enter your home. According to Rosie On the House, manufacturers normally suggest changing the air filter on your air conditioning unit at least every three months. However, this is for normal operating conditions and does not include hot climates like Texas, Arizona and Florida. Inspect the AC filter first to tell if it needs changing, which requires access to the filter. Does this Spark an idea?
Things You'll Need
- Replacement air conditioner filter
- Small screwdriver set
- 1/4-inch drive socket
- Socket set
Instructions
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Access the AC filter. On all AC units, the filter is found at the return air duct, drawing air from inside the house. This is behind the front cover on window units, which is installed with clips. To access the filter on large central air units, it may be necessary to remove the cover using a small screwdriver or quarter-inch socket wrench.
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Inspect the filter. If the filter is dirty, replace it. Also, if the filter is losing its shape, caving in, or has any rips, replace it. Dirt is not always the prime indicator for filter replacement. Less-expensive filters allow more contaminates to enter the system, making them look functional. Quality replacements, such as Hepa filters, will get dirty much faster. Look for the filter wear caused by the pressure of the airflow.
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Attach a tag or reminder note, with the filter change date, somewhere on the AC unit. This eliminates any confusion on whether the filter needs to be changed. Set a date to change the filter. If in a hot climate, or during the summer, change the filter monthly on the day you pay your utility bills. If the air conditioner is used only occasionally, change the filter every two to three months.
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References
Resources
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