AC Unit Filter Change: Why and How to Replace It

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Replacing the AC unit filter is a crucial maintenance task that can greatly impact the efficiency and effectiveness of your air conditioning system.

Dirty filters can reduce airflow by up to 20%, making your AC work harder and increasing your energy bills.

Regularly cleaning or replacing the filter can help you save up to 15% on your energy costs.

It's recommended to change your AC unit filter every 1-3 months, depending on usage and manufacturer instructions.

Why Change Your AC Filter?

Changing your AC filter is crucial to maintain a healthy indoor environment. If you don't change it regularly, it can restrict normal air flow, making a huge difference in the air quality in your home.

Dirty air filters can cause your energy use to gradually increase, which is a significant concern, especially during hot summer months. I've seen it happen to friends who neglected their air filter for too long.

Here are some compelling reasons to change your AC filter:

  1. Cleaner Air
  2. Better Airflow
  3. Improved Efficiency
  4. Longer HVAC System Lifespan

If you leave it unchecked for months, your system could completely break down and need to be replaced altogether, which is a worst-case scenario.

How to Change Your AC Filter

Credit: youtube.com, Furnace Air Filter - How to Change It Properly

Changing your AC filter is a crucial task to ensure your air conditioner runs efficiently and effectively. You should replace your AC filter every month to keep the air in your space clean and fresh.

First, turn off the power to your AC unit to avoid any safety risks or damage to the equipment. This is a crucial step that will prevent dust and debris from getting sucked into the unit while you're replacing the filter. Don't risk touching live voltage!

Before removing the old filter, check its condition by holding it up to the light. If it's clogged with dirt and dust, it's time to replace it. Even if it's been in use for less than the recommended time, replace it anyway, especially if you live in an area with high smog levels like New York City.

Here's a quick checklist to ensure you're changing your AC filter correctly:

  • Turn off the power to the AC unit
  • Remove the old filter
  • Check the condition of the old filter
  • Dispose of the old filter safely
  • Clean or replace the new filter
  • Insert the new or cleaned filter in the correct direction

Remember to wear a mask and gloves when changing the filter if there's a chance coronavirus particles might be present in your space.

Window

Credit: youtube.com, How to Clean Window AC Air Filter

Changing the air filter in your window AC unit is a relatively simple process that can be done at home.

First, turn off the AC and unplug the unit to ensure your safety and prevent any accidental start-ups.

Next, remove the front cover of your AC unit, which may require some cleaning as you'll find dust and dirt accumulated inside.

To clean the filter, remove it and shake it vigorously outside to dislodge as much dust and dirt as possible.

Rinse the filter lightly with soapy water, then rinse with clear water until it's clean.

Scrub the cover in the soapy water, then rinse and dry it with a microfiber cloth.

Air-dry the filter thoroughly before replacing it in the unit to prevent any moisture from causing damage.

Here's a step-by-step guide to replacing the air filter:

  • Replace the filter, lining up the notches on the filter frame with the spaces inside the filter compartment.
  • Replace the cover and restore power to the unit.

Regularly changing your air filter is just one aspect of maintaining your AC unit.

Handler

The air handler is a large metal box that stores the AC's fan and motor, typically found in the attic or basement. You can usually find it by looking for a big metal box with wires and ductwork coming out of it.

Credit: youtube.com, Furnace Air Filter - How to Change It Properly

The replaceable filter is often located on the left side, right side, top, or bottom of the air handler. It's a good idea to check the unit's design to see where the filter fits.

The filter may fit in a small slot with directions demonstrating how to insert the filter. You may need to unscrew the unit by hand or with a tool to access the air conditioner filter.

Larger houses may have more than one system, and each system will have a separate filter. You'll need to locate each system and check the filter slot to see which one needs to be changed.

How to Your

To change your AC filter, start by turning off the power to the HVAC unit. If you're unsure how to do this, consult your unit's manual. Don't run the furnace without a filter in place.

You'll need to remove or unlatch the door of the air handler cabinet, and clean it as indicated above. Check the filter type to see if it's disposable or reusable.

Exterior view of an industrial air conditioning unit with visible wear and rust, set against a shabby wall.
Credit: pexels.com, Exterior view of an industrial air conditioning unit with visible wear and rust, set against a shabby wall.

If the filter is disposable, replace it with a new one in the correct size. If it's reusable, brush it to remove surface dirt, then run a vacuum with a soft brush attachment over the face to pull out more embedded dust and dirt.

To clean a reusable filter, you can also run water through it in the opposite direction of airflow, using a low-pressure spray to assist. Allow the filter to thoroughly air dry before replacing it.

Here's a quick checklist to help you remember the steps:

How Often Should You Clean?

Changing your AC filter is just one part of the maintenance process. You should also consider how often you should clean your home to keep it running efficiently.

In the winter and summer, when your windows are closed and your HVAC system is running a lot, dust and dirt can build up quickly. Clean your home at least once a month during these seasons.

In the spring and fall, when you have the windows open more and your HVAC system isn't running all the time, you may be able to get away with cleaning every 2-3 months.

A different take: When to Change Hepa Filter

Benefits of Changing Your AC Filter

Credit: youtube.com, How Often Should You Replace Your HVAC Filters? | How to replace AC filters

Changing your AC filter can have a significant impact on the air quality in your home. A dirty filter can trap dust, dirt, and other contaminants, making it harder for your home to breathe.

Coughing and sneezing more than usual can be a sign that your air filter is in need of a change. A high energy particulate air filter (HEPA) can help trap particles and provide better air quality.

A clogged air filter can restrict airflow, forcing your HVAC system to work harder to circulate air. This can cause the system to overheat and shut down.

Regular filter changes can help ensure that air is properly distributed throughout your home. This is especially important for rooms that are further away from the HVAC system.

A clean air filter allows your system to operate smoothly, with improved energy efficiency. This can lead to lower utility bills and a reduced carbon footprint.

By changing your AC filter regularly, you can help keep your home healthy and comfortable.

Dust Everywhere

Credit: youtube.com, Cleaning Dusty AC Filter Return Grill

Replacing your AC unit filter is crucial to keep your home clean and dust-free. Regular air filter replacements can significantly reduce dust circulation in your home.

Air filters trap dust, pollen, pet dander, and other airborne particles, preventing them from circulating through your home. This is especially important during winter and summer when you run the HVAC system more often and all windows are closed.

Over time, the filter becomes clogged with airborne irritants, making it harder for your AC unit to function properly. If you don't replace the filter, it can lead to a clogged air filter, which can be a real problem.

To avoid a clogged air filter, it's essential to replace the filter on a regular basis. This will help keep the air clean and fresh, healthier to breathe.

Here are some common signs that your air filter needs to be replaced:

  • Dust buildup around the AC unit
  • Increased energy bills
  • Reduced airflow from the AC unit

Remember, a clean air filter is essential for a healthy and efficient AC unit. Don't neglect this simple maintenance task and keep your home dust-free and comfortable.

AC Setup and Maintenance

Credit: youtube.com, How To Replace Install Air Filter Home HVAC Easy Simple

Changing the air filter on a regular basis can improve your indoor air quality and help your HVAC system run more efficiently. This is because a dirty air filter can restrict normal air flow, making a huge difference in the air quality in your home and causing your energy use to gradually increase.

To find the correct size of your air filter, check the cardboard frame or plastic frame for the specific size, or use a measuring tape to measure the length, width, and thickness of the filter. It's also essential to place the filter correctly, with the arrow pointing toward the furnace, in the direction of airflow, to ensure proper installation.

Here are some key things to keep in mind when changing your AC filter:

Regular maintenance, including changing the air filter, can significantly extend the life of your HVAC system, leading to cleaner air, better airflow, improved efficiency, and a longer lifespan for your system.

What is Cost?

Credit: youtube.com, How Much Does An Air Conditioner Cost? - AC Installation

When it comes to budgeting for your AC setup and maintenance, one of the first things to consider is the cost of replacement filters.

An air filter usually costs anywhere between $20 – $90, depending on the size and MERV rating.

Having a few spare filters on hand can save you from last-minute trips to the store or online retailer.

We recommend buying a few at a time and having them stored for whenever you need a change!

Related reading: Change Air Filters

AC Setup

To ensure you're using the right replacement filter, check the filter size printed on the side of the old filter.

The filter size is crucial because using the wrong size can lead to decreased performance and even repair issues.

If you want to improve air quality by removing pollen, mold, and other contaminants, invest in HEPA filters with a MERV rating of 10 or higher.

However, be aware that higher efficiency filters can decrease air flow, potentially leading to performance issues or repair problems.

Consult with an HVAC expert before purchasing higher efficiency filters to ensure they're compatible with your system.

Why to Maintain Your HVAC System?

Credit: youtube.com, 15 Air Conditioner Maintenance Tips

Maintaining your HVAC system is crucial to ensure it runs efficiently and effectively. Regular maintenance can significantly extend the life of your HVAC system.

If you neglect to change your AC filter for a month, you can expect a huge difference in the air quality in your home and a gradual increase in energy use. Dirty air filters can restrict normal air flow.

Changing your air filter regularly can improve airflow and help your HVAC system run more efficiently. This can also lead to cleaner air and a longer HVAC system lifespan.

A dirty air filter can cause your system to malfunction, and if left unchecked, it could completely break down and need to be replaced altogether. This is a worst-case scenario, but neglecting your air filter can also cause other problems.

Here are some key benefits of maintaining your HVAC system:

  • Cleaner Air
  • Better Airflow
  • Improved Efficiency
  • Longer HVAC System Lifespan

Tom Tate

Lead Writer

Tom Tate is a seasoned writer and editor, with years of experience creating compelling content for online audiences. He has a talent for distilling complex topics into clear and concise language that engages readers on a deep level. In addition to his writing skills, Tom is also an expert in digital marketing and web design.

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