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Home Air Filter

When selecting an air filter, consider the needs of your family. For instance, do you have allergies, pets or lingering odors like mildew or smoke? We’ve selected four great options for you to choose from, available in convenient 4-packs so you’re covered for an entire year.

Arm & Hammer® Pet Fresh

$35.96 / year
+ $4.99 flat rate shipping
Great for homes with pets.

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DuPont High Allergen Air Filter

$49.00 / year
Great in helping with allergies

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Accumulair Diamond Air Filter

From $55.96 / year
Great value

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DuPoint ProClear Ultimate Allergen Electrostatic Air Filter

$75.96 / year
Best option for those suffering from allergies

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It may seem like a hassle, but changing the air filters in your home improves indoor air quality. Plus, changing your filters regularly can help your HVAC system perform more efficiently, helping reduce energy costs. The U.S. Environmental Protection Agency recommends changing air filters once every three months.

Filters 101: What you need to know

  • Why change your filters on a regular basis? How do you know what size you need? Everything you ever wanted to know about air filters is right here — so read on!
  • What is a MERV rating? MERV stands for “Minimum Efficiency Reporting Value” or the effectiveness of the air filter. The higher the MERV rating, the more efficient the filter is at keeping out dust particles and other contaminants.
  • Why should I change my air filter every three months? Lower energy usage by up to 15%: According to the Department of Energy, a dirty, clogged filter can obstruct airflow and cause a decline in the performance of your HVAC unit.
    Improve air quality in your home: Filters keep pollutants like mold spores, pet dander, smoke and pollen from circulating around your home.
  • How do I know what size I need? Most filters have the size printed on the frame. If your current filter is a good fit, order the same size. If there’s not a filter in your system, turn it off and measure the opening. If you have questions, call 1-888-44-SMART and one of our specialists will help you.
    Remember, if your home has multiple HVAC units, each unit may require a different size filter. Be sure to check each one before ordering.
  • Where do I find my filter? Look in one of two places – around the blower or behind a return grate (which could be on a wall or ceiling). When installing your new filter, make sure to follow the directional arrows on the frame.
  • What if the filter in my system lists two sizes? You may notice two sizes printed on your filter. The “nominal” size is the rounded number used by most manufacturers. The “actual” size is the true measurement of the filter. Use the “nominal” size measurement when ordering.