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Air Filters (628 items found)
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What Size Air Filter Do You Need? Shop All Sizes
- Filtrete Allergen Defense 12 in. W X 12 in. H X 1 in. D 11 MERV Pleated Air Filter 1 pk3650 Reviews$14.99 14.99 USDFree Store Pickup Today
- Flanders Pre-Pleat 16 in. W X 25 in. H X 2 in. D Synthetic 10 MERV Pleated Air Filter 1 pk19 Reviews$8.59 8.59 USDFree Store Pickup Today
- BestAir 27 in. W X 16 in. H X 6 in. D 11 MERV Pleated Air Filter 1 pk0 Reviews$29.99 29.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 18 in. W X 20 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk9 Reviews$3.59 3.59 USDFree Store Pickup Today
- Filtrete 14 in. W X 30 in. H X 1 in. D Synthetic 12 MERV Pleated Ultra Allergen Filter 1 pk4839 Reviews$21.99 21.99 USDFree Store Pickup Today
- Flanders Pre-Pleat 20 in. W X 25 in. H X 2 in. D Synthetic 10 MERV Pleated Air Filter 1 pk7 Reviews$8.99 8.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 16 in. W X 16 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk5 Reviews$3.59 3.59 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 24 in. W X 24 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk3 Reviews$3.99 3.99 USDFree Store Pickup Today
- BestAir 25 in. W X 16 in. H X 4 in. D 13 MERV Pleated Air Filter 1 pk6 Reviews$41.99 41.99 USDFree Store Pickup Today
- Filtrete 16 in. W X 25 in. H X 1 in. D Polypropylene 13 MERV Pleated Allergen Air Filter 1 pk5025 Reviews$24.99 24.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 18 in. W X 24 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk4 Reviews$3.99 3.99 USDFree Store Pickup Today
- Flanders Pre-Pleat 20 in. W X 20 in. H X 2 in. D Synthetic 10 MERV Pleated Air Filter 1 pk7 Reviews$8.59 8.59 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 18 in. W X 18 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk4 Reviews$3.59 3.59 USDFree Store Pickup Today
- Filtrete 14 in. W X 14 in. H X 1 in. D 12 MERV Pleated Air Filter 1 pk4801 Reviews$21.99 21.99 USDFree Store Pickup Today
- Filtrete 24 in. W X 30 in. H X 1 in. D 11 MERV Pleated Allergen Air Filter 1 pk3633 Reviews$14.99 14.99 USDFree Store Pickup Today
- NaturalAire 18 in. W X 20 in. H X 1 in. D Synthetic 8 MERV Pleated Air Filter 1 pk20 Reviews$12.99 12.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 16 in. W X 24 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk3 Reviews$3.59 3.59 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 12 in. W X 20 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk13 Reviews$2.99 2.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 20 in. W X 24 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk4 Reviews$4.59 4.59 USDFree Store Pickup Today
- Filtrete 20 in. W X 20 in. H X 1 in. D Polypropylene 13 MERV Pleated Allergen Air Filter 1 pk4852 Reviews$24.99 24.99 USDFree Store Pickup Today
- Filtrete 10 in. W X 20 in. H X 1 in. D 11 MERV Pleated Allergen Air Filter 1 pk4 Reviews$14.99 14.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 14 in. W X 20 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk6 Reviews$3.59 3.59 USDFree Store Pickup Today
- AAF Flanders 20 in. W X 25 in. H X 4-1/2 in. D Synthetic 8 MERV Pleated Air Filter 1 pk6 Reviews$37.99 37.99 USDFree Store Pickup Today
- Filtrete 20 in. W X 20 in. H X 1 in. D Synthetic 2 MERV Flat Panel Filter 2 pk3385 Reviews$5.59 5.59 USDFree Store Pickup Today
- NaturalAire 20 in. W X 22 in. H X 1 in. D Pleated 8 MERV Pleated Air Filter 1 pk5 Reviews$12.99 12.99 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 14 in. W X 25 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk4 Reviews$3.59 3.59 USDFree Store Pickup Today
- AAF Flanders EZ Flow II 10 in. W X 10 in. H X 1 in. D Fiberglass 1 MERV Air Filter 1 pk5 Reviews$2.99 2.99 USDFree Store Pickup Today
- AAF Flanders Hammock 36 in. W X 240 in. H X 1 in. D Spun Glass 4 MERV Hammock Filter 1 pk0 Reviews$35.99 35.99 USDFree Store Pickup Today
- Pamlico Air 18 in. W X 20 in. H X 1 in. D Pleated 8 MERV Pleated Air Filter 1 pk3 Reviews$7.99 7.99 USDFree Store Pickup Today
- AAF Flanders 16 in. W X 25 in. H X 4.5 in. D Synthetic 8 MERV Pleated Air Filter 1 pk6 Reviews$39.99 39.99 USDFree Store Pickup Today
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Indoor air can quickly become polluted with dust, allergens, pet dander, bacteria and more. By installing a clean air filter in your central heating or cooling system, you can better clear these pollutants from the air for a more comfortable experience that greatly improves your home’s air quality.
Are Air Filters, Furnace Filters and Air Conditioner Filters Different?
Some commonly used names you’ll encounter for an HVAC filter include air conditioner air filter, furnace filter and AC filter. Although they sound different, they typically refer to the same thing. While you should be able to use any filter that fits interchangeably in your furnace, air conditioner, or other home filtration device, always consult the manufacturer’s instructions for the best fit.
Air Filter MERV Ratings Explained
MERV, or Minimum Efficiency Reporting Value, is a standardized measurement for air filter efficiency. The scale ranges from 1 to 20: the higher the number, the finer the filter, and the more efficient it is at removing pollutants.
How Often Should You Change Your Air Filter?
For the best performance, try to change your home air filter every 90 days. Leaving a filter for longer can result in your heating system having to work harder to deliver air, while the air filter is less efficient at removing pollutants and other irritants.
At Ace, we offer plenty of air filter replacements in bulk, making it quick and easy to make changes when they’re needed.
How to Choose the Right Air Filter
With so many options for different air filters for home use, it can be challenging to know which one is the right fit for your needs. Here are a few things to know as you shop around.
Choose Your MERV Rating
When choosing your new furnace or air conditioner filter, begin by assessing your home's air filtration needs. If you're looking for a simple and affordable filter that does a good job of removing general pollutants, many people start with a MERV rating of 4.
However, if someone in your home has allergies or asthma, you may want a finer filter that can remove smaller allergen particles. MERV ratings of 8 are a popular choice for removing allergens, but filters with a rating as high as 15 are common for in-home use. Refer to our handy guide above for a more detailed look at which air filter MERV rating is right for your needs.
Panel vs. Pleated Air Filter
You will have to decide between pleated and panel air filters. Flat-panel filters are inexpensive and are solid options for filtering out pollen, pet dander and dust. However, they are not as durable as pleated filters and often have lower MERV ratings. You can find a pleated HVAC air filter with a higher MERV rating, but it will also be more expensive. However, pleated air filters typically last longer.
Choose an Appropriate Filter Size
Before you shop for a new home air filter, remember to check the size of your furnace or AC unit. If you know your required length and width, simply filter through the options above to narrow down your choices.
Unsure how to find the right fit? Bring your old filter to your nearest Ace location and one of our associates will be happy to help you find a match!
Air Purifier Filters
Air purifier filters are a type of air filter, but not all air filters are meant for air purifiers. Air purifier filters are specifically designed for air purifiers. They are often more sophisticated and can capture a wider range of airborne particles, including dust, allergens, smoke and even some germs.
Humidifier Filters
A humidifier combats dry air by turning water vapor into the air, easing congestion and coughs. Humidifier filters rap dust and minerals in the water before they're released, improving air quality and protecting the humidifier itself.
Easy Home Air Maintenance with HVAC Filters at Ace
Keep your HVAC equipment running smoothly with standard and premium air filters from your nearest Ace, available from brands like AAF Flanders, Filtrete and BestAir. Explore a wide variety of air filter replacement sizes, ratings and features to suit your home air filtration needs. Once you're all set with the right filter, keep every part of your air conditioner working its best with air conditioner parts and accessories, including window units.