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Heating, Cooling & Air Quality

A C Filters

Best A C Filters

Name: Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
Brand: Filterbuy
Price: 30.96 USD
Availability: InStock

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Filterbuy

Filterbuy 20x25x6 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters for Aprilaire Space-Gard 201/2200 / 2250 & Lennox (Actual Size: 19.75 x 24.25 x 6.00 Inches)

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Filtrete

Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

9.4

score

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Filtrete

16%OFF

Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters

9.1

score

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Aprilaire

AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

8.8

score

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Umlecoa

10%OFF

Umlecoa 8/16/32 Pack Rite-Size C Filter Cartridges for Marineland Penguin PRO Power Filters 275/375 & Original Penguin Power Filters 200/350 - Rite-Size C Replacement Filter Cartridges for MarineLand

8.5

score

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Culligan

Culligan WH-HD200-C Whole House Water Filter System 1” Inlet/Outlet – Improve Tap Water Taste, Remove Sediment, Protect Appliances

8.2

score

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ELXXROONM

6%OFF

ELXXROONM 12 Pack Rite-Size C Filter Cartridges Compatible with Marineland Penguin PRO Power Filters 275/375 & Original Penguin Power Filters 200/350 - Rite-Size C Replacement Filter Cartridges

7.9

score

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isinlive

Replacement Filter C for Idylis IAF-H-100C, IAP-10-200, IAP-10-280, 2 Pack Type C True Hepa Filter & 2 Activated Carbon Pre-Filter)

7.6

score

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GermGuardian

GermGuardian Filter C Pet Pure HEPA Genuine Air Purifier Replacement Filter, Removes 99.97% of Pollutants, for AC5000, AC5250, AC5300, AC5350, CDAP5500, AP2800, 2-Pack, Black/Purple, FLT5250PT2PK

Honeywell

Honeywell C Replacement Filter, White

7.0

score

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Buying Guide for the Best A C Filters

Choosing the right air conditioning (A/C) filter is crucial for maintaining good air quality in your home and ensuring the efficiency of your A/C system. The right filter can help reduce allergens, dust, and other particles, making your living space healthier and more comfortable. When selecting an A/C filter, consider factors such as filter type, MERV rating, size, and material. Understanding these specifications will help you make an informed decision that best suits your needs.

Filter TypeA/C filters come in various types, including fiberglass, pleated, washable, and HEPA filters. Fiberglass filters are the most basic and inexpensive, but they only capture larger particles. Pleated filters are more efficient and can capture smaller particles, making them a better choice for those with allergies. Washable filters are reusable and eco-friendly, but they require regular cleaning. HEPA filters are the most efficient, capturing up to 99.97% of particles, and are ideal for those with severe allergies or respiratory issues. Choose a filter type based on your specific air quality needs and maintenance preferences.

MERV RatingThe Minimum Efficiency Reporting Value (MERV) rating measures a filter's ability to capture particles of different sizes. MERV ratings range from 1 to 20, with higher numbers indicating better filtration. Filters with a MERV rating of 1-4 are basic and capture larger particles like dust and lint. MERV 5-8 filters are more efficient and can capture smaller particles such as mold spores and pet dander. MERV 9-12 filters are suitable for homes with allergy sufferers, capturing finer particles like pollen and dust mites. MERV 13-20 filters are used in hospitals and clean rooms, capturing the smallest particles, including bacteria and viruses. Choose a MERV rating based on your air quality needs and any health concerns.

SizeA/C filters come in various sizes, and it's essential to choose the correct size for your system to ensure proper fit and function. Common sizes include 16x20, 20x25, and 24x24 inches, but many other dimensions are available. Measure your existing filter or check your A/C unit's specifications to determine the right size. Using the wrong size can reduce the filter's effectiveness and potentially damage your A/C system. Always double-check the dimensions before purchasing a new filter.

MaterialA/C filters are made from different materials, including fiberglass, polyester, cotton, and synthetic blends. Fiberglass filters are inexpensive but less effective at capturing smaller particles. Polyester and cotton filters are more efficient and durable, making them a better choice for homes with pets or allergy sufferers. Synthetic blend filters offer a balance of efficiency and durability, providing good filtration without compromising airflow. Consider the material based on your air quality needs and the level of maintenance you're willing to perform.

Best A C Filters

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Buying Guide for the Best A C Filters