Furnace Filters of 2025

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Last Updated - March 12, 2025

Best Choice

1

Clicked 24 times in the last month

Filtrete
Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

11% Off

9.1 materials Quality

8.9 Durability

8.7 Easy installation

Why we love it

Captures numerous microparticles effectively.

Certified for asthma and allergy relief.

Versatile use in various HVAC systems.
Main highlights

High Performance Filtration
The Filtrete MPR 1550 captures unwanted particles for cleaner air.

Ideal for Allergy Sufferers
Certified asthma and allergy-friendly, perfect for sensitive households.

Customer Praised Durability
Highly rated for consistent performance and reliability in reviews.
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9.9

Exceptional

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Value for Money

2

Filtrete
Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 24.63 x 4.31)

8.7 Durability

8.4 worth the money

8.2 Easy installation

Why we love it

Captures many airborne particles.

Compatible with multiple furnace brands.

Convenient 12-month filter life.
Main highlights

Efficient Air Filtration
The Filtrete 20x25x4 Air Filter uses 3-in-1 technology for capturing particles, ensuring cleaner air.

Versatile Furnace Compatibility
Ideal for Honeywell and Lennox furnaces, fitting both 4 and 5 filter slots.

Positive Customer Feedback on Durability
Praised for sturdy construction and effective air cleaning in customer reviews.
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9.7

Exceptional

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3

Filtrete
Filtrete 16x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x24.69x0.81 in)

9.9 Simple to use

9.5 Easy installation

9.5 Sheerness

Why we love it

Captures large particles effectively.

Improves HVAC efficiency.

Affordable and reliable.
Main highlights

Effective Particle Capture
Filtrete 16x25x1 Air Filter captures large particles for cleaner air.

Versatile Use Scenarios
Ideal for furnaces, air conditioners, and HVAC systems.

Customer Praised Performance
Highly rated for airflow and particle capture efficiency.
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9.6

Exceptional

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4

Simply
Simply 16x25x1 Air Filter, MERV 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control

14% Off

9.9 Sheerness

9.5 Easy installation

9.1 worth the money

Why we love it

1. Compatible: Fits most brands.

2. Clean Air: Traps dust pollen.

3. Long lasting: Up to 3 months of filtration.
Main highlights

Key Features
Universally compatible, captures 90% of airborne particles with advanced pleated technology, and lasts up to 3 months. Made in USA.

Ideal Use Cases
Perfect for homes, offices, schools, hospitals, and commercial spaces seeking cleaner air by trapping dust, mold, pet dander, and pollen.

Customer Reviews Highlight
Most praised for its ease of installation, superior air purification performance, and compatibility with various HVAC systems.
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9.4

Excellent

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5

Aerostar
Aerostar 16x25x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 15 3/4"x 24 3/4" x 3/4"), White

11% Off

9.3 Easy installation

8.7 worth the money

8.2 Durability

Why we love it

Highly efficient at capturing microscopic particles.

Easy to install and cost-effective.

Good value with a convenient 6-pack option.
Main highlights

Superior Filtration Performance
This MERV 8 filter effectively captures microscopic particles such as lint, dust mites, spores, and pollen, enhancing indoor air quality.

Ideal for Regular Home Use
Perfect for households needing regular air filter replacements, especially beneficial for those with asthma or allergies, and during peak summer and winter months.

Consistent Air Quality Improvement
Customers frequently praise the filters for their significant improvement in air quality, ease of installation, and cost-effectiveness.
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9.2

Excellent

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6

Filtrete
Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

9.7 Easy installation

9.5 Durability

9.3 worth the money

Why we love it

Captures many unwanted particles for cleaner home air.

Easy to install and fits perfectly.

Convenient multi-pack saves time and effort.
Main highlights

Cleaner Fresher Home Environment
4-pack of 3-month pleated Filtrete 20x25x1 MPR 1000 AC Furnace Air Filter captures unwanted particles for a cleaner, fresher home environment.

Versatile HVAC System Use
Ideal for changing filters in furnace, air conditioner/heating system, or HVAC system. Perfect for those with allergies or in need of frequent filter changes.

Highly Recommended for Allergies
Customers praise the filter's ability to capture pollen and dust, making it ideal for allergy sufferers. Convenient, easy to use, and long-lasting.
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8.9

Very Good

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7

Filtrete
Filtrete 20x25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.63 x 24.75 x 4.31 in)

9.1 Easy installation

8.4 Durability

8.0 worth the money

Why we love it

Highly efficient particle capture.

Perfect fit for many systems.

Improves indoor air quality.
Main highlights

Efficient Air Filtration
Captures more particles like pollen, pet dander, and smoke.

Perfect for Residential Use
Ideal for Lennox furnaces and Honeywell Electric furnace replacements.

Customer Praised Fit
Fits perfectly in various HVAC systems, enhancing air quality.
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8.6

Very Good

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8

Filterbuy
Filterbuy 20x25x5 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1037, Lennox X6673, Carrier, & More (Actual Size: 19.88 x 24.75 x 4.38 Inches)

23% Off

9.5 lasts a long time

9.5 Easy installation

9.3 Durability

Why we love it

Traps 90% of airborne particles.

Fits multiple HVAC systems.

Durable and long-lasting.
Main highlights

Efficient Particle Filtration
MERV 8 rating traps 90% of dust, pollen, and more.

Versatile Compatibility
Ideal for Honeywell, Lennox, Carrier, and more HVAC systems.

Reliable Customer Service
Praised for excellent after-sales support and reasonable pricing.
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8.3

Good

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9

Aerostar
Aerostar 16x25x1 MERV 11 Pleated AC Furnace Air Filter, 6 Pack (Actual Size: 15 3/4"x 24 3/4" x 3/4")

22% Off

9.9 Attachment

9.3 Easy installation

8.9 Sheerness

Why we love it

This filter is designed to remove microscopic particles like dust mites, spores, pollen, and pet dander.

Its simple to install and is a cost effective way to make your home environment healthier.

This filter is made with 100 synthetic electrostatic media for high efficiency and low air flow resistance.
Main highlights

Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months
Nominal size: 16x25x1; Actual size 15 3/4"x 24 3/4" x 3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7
Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive
Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
100% synthetic electrostatic media for high efficiency with low air flow resistance
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8.0

Good

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10

BNX
BNX TruFilter 16x25x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10

9.9 Easy installation

9.9 materials Quality

9.5 worth the money

Why we love it

Made in USA

Sustainably sourced

Superior performance
Main highlights

Key Features
MERV 13 rating, captures 98% of airborne particles, made sustainably in the USA with low airflow resistance and superior performance.

Ideal Use Cases
Perfect for households needing to reduce allergens, smoke, odors, and microscopic particles like bacteria and virus carriers.

Customer Praise
Most reviews highlight its effectiveness in improving air quality, ease of installation, and noticeable reduction in dust and allergens.
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7.9

Good

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Furnace Filters of 2025

1

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

Why we love it

2

Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 24.63 x 4.31)

Why we love it

3

Filtrete 16x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x24.69x0.81 in)

Why we love it

4

Simply 16x25x1 Air Filter, MERV 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control

Why we love it

5

Aerostar 16x25x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 15 3/4"x 24 3/4" x 3/4"), White

Why we love it

6

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

Why we love it

7

Filtrete 20x25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.63 x 24.75 x 4.31 in)

Why we love it

8

Filterbuy 20x25x5 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1037, Lennox X6673, Carrier, & More (Actual Size: 19.88 x 24.75 x 4.38 Inches)

Why we love it

9

Aerostar 16x25x1 MERV 11 Pleated AC Furnace Air Filter, 6 Pack (Actual Size: 15 3/4"x 24 3/4" x 3/4")

Why we love it

10

BNX TruFilter 16x25x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10

Why we love it

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