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Home Care Library

Central Air Conditioning


There are two reasons for replacing your air filter:

As a filter gets dirty over time, it begins to clog with dust, pollen, etc. A dirty filter means the fan motor of the air conditioner has to work harder to move air through it, which means it has to consume more energy, and is therefore more expensive to operate.

The filter helps to clean the circulating air, which makes room cleaning easier and less frequent, helps improve home health air quality, and helps to provide relief to allergy sufferers.


Monthly during season: April, May, June, July, August (yearly)

NOTE: The tasks and timings shown here for your Central Air Conditioning are based on a single-family home (owned), located in Massachusetts, United States, with priority set at ‘1 star' or higher, for all possible goals.

If you set your personalization differently in your Home Wizard app, then you may get reminders for different tasks and timings in your recommended home care program for your Central Air Conditioning.

How To

central air conditioning care This task involves removing the old air filter and replacing it with a new one(or washing the old filter, depending on the manufacturer's directions).

The filter is typically rectangular in shape, about 20 inches by 16 inches, and about 1 inch thick. It slides into the main ductwork (near the inside fan unit) to help take dust, pollen, etc. out of the air that circulates in your home or building.

Ensure that the filters are placed in the correct direction of air flow.

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  • Allergy Control
  • Energy Savings
  • Senior Safety
  • Health & Safety

The benefits of this task are moderate, as a dirty filter requires more energy to operate your air handler. Also, if people in your house have respiratory problems, then this task becomes more important.


The cost of this task is relatively low. It is estimated that this task should only take about 15 minutes to complete, and the task is relatively easy to do. No specialized tools are required. However, you do need to purchase the appropriate filter for your air conditioner's air handler in advance.

Central Air Conditioning