Best Furnace Filters

Looking for the best furnace filters to keep your home’s air clean and healthy? We’ve tested and compared top filters to bring you the perfect match for your home in this simple, easy-to-read guide.

Choosing the right furnace filter is key to keeping your home’s air clean and healthy. It traps dust, pollen, and other particles, so you breathe easier. A good filter also protects your HVAC system, saving you money in the long run.

With so many options, finding the best furnace filter can feel overwhelming. MERV ratings, sizes, and brands all play a role. This guide breaks it down simply, so you can make a confident choice.

We’ve tested and compared top filters to bring you the perfect match for your home. Ready to discover the best? Let’s dive in!

List of Top 10 Furnace Filters

Title	Best For	Price
Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergy Control, Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75″ x 19.75″ x 0.75″)	This Amazon Basics 16x20x1 Air Filter 6-Pack is perfect for homeowners who want cleaner air and a more efficient furnace. It’s great for anyone with allergies or those who want to reduce dust and pollen in their home.	View on Amazon (paid link)
Filtrete 16x25x1 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic (Actual Size 15.719 x 24.72 x 0.84 in)	This Filtrete 16x25x1 Air Filter is perfect for anyone who wants cleaner, fresher air at home. It’s great for families, pet owners, or anyone with allergies who needs reliable protection from dust, lint, and other unwanted particles.	View on Amazon (paid link)
AprilAire 413 Replacement Filter for AprilAire Whole House Air Purifiers – MERV 13, Healthy Home Allergy, 16x25x4 Air Filter (Pack of 2)	This AprilAire 413 Replacement Filter is perfect for anyone who wants cleaner, healthier air in their home. It’s great for allergy sufferers and pet owners looking to reduce dust, pollen, and dander.	View on Amazon (paid link)
Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 15.69×19.69×0.81 in)	This Filtrete 16x20x1 Air Filter 6-Pack is perfect for homeowners who want cleaner air in their homes. It’s great for anyone with a furnace, AC, or HVAC system needing 16x20x1 filters.	View on Amazon (paid link)
Amazon Basics 14x20x1 Air Filter, MERV 8 AC Furnace Filters, Allergy Control, Electrostatic, Removes Dust Pollen and Lint, 6-Pack (Actual Size: 13.75″ x 19.75″ x 0.75″)	This Amazon Basics 14x20x1 Air Filter is perfect for anyone who wants cleaner air and a more efficient furnace. It’s great for homes with pets, kids, or allergies, as it traps dust, pollen, and lint. The 6-pack ensures you’re set for up to a year with easy replacements.	View on Amazon (paid link)
Filtrete 20x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma & Allergy Friendly 2-Pack, Fits Honeywell & AprilAire, AC Furnace HVAC Filters, Pleated Electrostatic (Actual Size 19.88×24.63×4.31 in)	This Filtrete 20x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for families with asthma or allergies, as it captures dust, lint, and other allergens.	View on Amazon (paid link)
AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers – MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)	This AprilAire 213 Replacement Filter is perfect for anyone who wants cleaner air in their home. It’s great for allergy sufferers and pet owners looking to reduce dust, pollen, and dander.	View on Amazon (paid link)
Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88×24.56×4.31 in)	This Filtrete 16x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for those with allergies or asthma, as it captures dust, lint, and allergens. Easy to use and fits Honeywell and Lennox systems.	View on Amazon (paid link)
Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 4-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)	This Filtrete 16x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for those with allergies or asthma, as it traps dust, lint, and other allergens.	View on Amazon (paid link)
Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA	This Aerostar air filter is perfect for anyone who wants cleaner air in their home or office. It’s great for HVAC systems and works well with most brands. Easy to use and long-lasting, it’s ideal for busy people who want fresh air without extra hassle.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 furnace filters carefully selected for cleaner, healthier air in your home. Each filter is expert-reviewed and backed by real customer feedback, ensuring top performance and great value. Whether you need allergy protection or energy savings, this guide has you covered. Find the perfect fit for your needs and breathe easier today!

1. Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergy Control, Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75″ x 19.75″ x 0.75″)

The Amazon Basics 16x20x1 Air Filter 6-Pack helps keep your home’s air clean and healthy. Its MERV 8 rating traps dust, lint, and pollen, so you breathe easier.

These filters also protect your furnace by catching particles that cause wear. They’re durable and made with a sturdy frame for long-lasting use.

Electrostatic material grabs tiny allergens. Six filters last up to 12 months with regular changes. Actual size: 15.75″ x 19.75″ x 0.75″.

Pros	Cons
MERV 8 rating captures lint, dust, pollen for cleaner air. Electrostatic material traps tiny allergens as small as 3 microns. Durable frame ensures long-lasting, reliable performance. 6-pack provides 12 months of hassle-free replacements.	Not for severe allergies – MERV 8 may not capture all tiny particles. Frequent replacements – Change every 60–90 days, costing more over time. Exact size needed – 15.75″ x 19.75″ x 0.75″ may not fit all systems.

Perfect For:

This Amazon Basics 16x20x1 Air Filter 6-Pack is perfect for homeowners who want cleaner air and a more efficient furnace. It’s great for anyone with allergies or those who want to reduce dust and pollen in their home.

Ready to Purchase?

View Price on Amazon (paid link)

2. Filtrete 16x25x1 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic (Actual Size 15.719 x 24.72 x 0.84 in)

Filtrete 16x25x1 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic (Actual Size 15.719 x 24.72 x 0.84 in)

The Filtrete 16x25x1 Air Filter keeps your home cleaner and fresher. It captures unwanted particles like dust and lint. Each filter lasts up to 3 months.

This 2-pack uses 3-in-1 technology to trap microparticles. It’s certified asthma and allergy-friendly. Works with furnaces, ACs, and HVAC systems.

Change filters every 90 days for best results. Use the Filtrete Smart App for reminders. North America’s most trusted brand for HVAC filters.

Pros	Cons
Traps allergens for a cleaner, fresher home with 3-in-1 tech. Certified asthma & allergy-friendly, ideal for sensitive households. Lasts 3 months, easy to replace with smart app reminders. Trusted brand, top-rated for HVAC filters in North America.	Higher cost than lower-rated filters, may impact budget-conscious buyers. Requires frequent replacement, every 90 days, adding to long-term expenses. Not reusable, generates waste, less eco-friendly than washable options.

Perfect For:

This Filtrete 16x25x1 Air Filter is perfect for anyone who wants cleaner, fresher air at home. It’s great for families, pet owners, or anyone with allergies who needs reliable protection from dust, lint, and other unwanted particles.

Ready to Purchase?

View Price on Amazon (paid link)

3. AprilAire 413 Replacement Filter for AprilAire Whole House Air Purifiers – MERV 13, Healthy Home Allergy, 16x25x4 Air Filter (Pack of 2)

The AprilAire 413 Replacement Filter is made in the USA by the leader in indoor air quality. It’s designed to fit specific AprilAire models, ensuring optimal performance. This MERV 13 filter traps common allergens like dust, pollen, and pet dander.

This filter uses patented Self-Seal Technology to reduce air bypassing, improving efficiency. It’s easy to install with the Interlock Rail System—no tools or assembly needed.

AprilAire is a proud partner of the American Lung Association, supporting better lung health. The nominal size is 16x25x4, making it easy to identify for your system.

Pros	Cons
Traps allergens like dust, pollen, and pet dander for a healthier home. Patented Self-Seal Technology ensures maximum air filtration with no bypass. Easy installation—unpack, slide in, and close for hassle-free replacement. Made in the USA by the leader in indoor air quality solutions.	Higher price than some other air filters on the market. Requires specific model, not compatible with all air purifiers. Bulkier size might not fit in

Perfect For:

This AprilAire 413 Replacement Filter is perfect for anyone who wants cleaner, healthier air in their home. It’s great for allergy sufferers and pet owners looking to reduce dust, pollen, and dander.

Ready to Purchase?

View Price on Amazon (paid link)

4. Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 15.69×19.69×0.81 in)

Filtrete 16x20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual Size 15.69x19.69x0.81 in)

The Filtrete 16x20x1 Air Filter is a 6-pack of MERV 5 filters designed for home HVAC systems. These filters fit furnaces and AC units, ensuring cleaner air throughout your home.

Each filter uses Filtrete’s 3-in-1 technology to trap dust, lint, and other particles. This helps create a fresher, healthier environment for you and your family.

Easy to use, change every 90 days, and works with the Filtrete Smart App. Trust North America’s most trusted HVAC filter brand.

Pros	Cons
6-pack for long-lasting use, keeping your home cleaner. Exclusive 3-in-1 tech traps dust and lint effectively. Easy reminders with the Filtrete Smart App for timely changes. Trusted brand for reliable HVAC filtration.	MERV 5 rating may not capture smaller particles like pollen or mold. Exact size (15.69×19.69×0.81) could not fit all 16x20x1 systems. 90-day replacement needed, frequent changes may add cost.

Perfect For:

This Filtrete 16x20x1 Air Filter 6-Pack is perfect for homeowners who want cleaner air in their homes. It’s great for anyone with a furnace, AC, or HVAC system needing 16x20x1 filters.

Ready to Purchase?

View Price on Amazon (paid link)

5. Amazon Basics 14x20x1 Air Filter, MERV 8 AC Furnace Filters, Allergy Control, Electrostatic, Removes Dust Pollen and Lint, 6-Pack (Actual Size: 13.75″ x 19.75″ x 0.75″)

The Amazon Basics 14x20x1 Air Filter is a 6-pack of MERV 8 filters. They remove dust, pollen, and lint for cleaner air.

These filters improve furnace efficiency by trapping harmful particles. They are durable with a beverage board frame and wire mesh support.

The electrostatically charged material captures allergens as small as 3 microns. Each filter lasts 60 to 90 days, providing up to 12 months of replacements.

Pros	Cons
MERV 8 rating traps dust, pollen, and lint effectively. Electrostatic charge attracts tiny allergens for cleaner air. Durable frame ensures long-lasting, reliable performance. 6-pack provides up to 12 months of replacements.	Not for severe allergies, may need higher MERV rating. Frequent replacements needed every 60–90 days. Actual size slightly smaller than standard 14x20x1.

Perfect For:

This Amazon Basics 14x20x1 Air Filter is perfect for anyone who wants cleaner air and a more efficient furnace. It’s great for homes with pets, kids, or allergies, as it traps dust, pollen, and lint. The 6-pack ensures you’re set for up to a year with easy replacements.

Ready to Purchase?

View Price on Amazon (paid link)

6. Filtrete 20x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma & Allergy Friendly 2-Pack, Fits Honeywell & AprilAire, AC Furnace HVAC Filters, Pleated Electrostatic (Actual Size 19.88×24.63×4.31 in)

Filtrete 20x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma & Allergy Friendly 2-Pack, Fits Honeywell & AprilAire, AC Furnace HVAC Filters, Pleated Electrostatic (Actual Size 19.88x24.63x4.31 in)

The Filtrete 20x25x4 Air Filter is a 2-pack designed to fit Honeywell and AprilAire systems. It’s certified asthma and allergy-friendly, helping capture 50% of small particles like dust and lint for cleaner air.

This filter uses 3-in-1 technology to trap unwanted particles. Change it every 12 months for best results. Use the Filtrete Smart App to set reminders.

Pros	Cons
Captures 50% of small particles for cleaner air. Certified asthma & allergy-friendly for healthier homes. Exclusive 3-in-1 technology traps unwanted particles effectively. Trusted brand in North America for HVAC filters.	Exact size differs from standard, may not fit all systems. 12-month replacement needed, frequent changes required. App reminders rely on smartphone, not ideal for all users.

Perfect For:

This Filtrete 20x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for families with asthma or allergies, as it captures dust, lint, and other allergens.

Ready to Purchase?

View Price on Amazon (paid link)

7. AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers – MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)

The AprilAire 213 Replacement Filter is made in the USA and designed for AprilAire Whole House Air Purifiers. It traps allergens like dust, pollen, and pet dander, creating a healthier home environment.

Easy to install, fits perfectly, and improves air quality. Proudly supports the American Lung Association.

Pros	Cons
Traps allergens like dust, pollen, and pet dander for cleaner air. Easy installation with AprilAire’s Interlock Rail System—no tools needed. Patented Self-Seal Technology ensures maximum filtration efficiency. Made in the USA by the leader in indoor air quality.	Higher price than some other filters on the market. Requires specific model, not compatible with all air purifiers. Bulkier size might not fit in all filter slots.

Perfect For:

This AprilAire 213 Replacement Filter is perfect for anyone who wants cleaner air in their home. It’s great for allergy sufferers and pet owners looking to reduce dust, pollen, and dander.

Ready to Purchase?

View Price on Amazon (paid link)

8. Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88×24.56×4.31 in)

Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)

The Filtrete 16x25x4 Air Filter is a 2-pack of 12-month filters. It fits Honeywell and Lennox air cleaners perfectly.

This filter has a 1000 MPR + MERV 11 rating, capturing 2X more microparticles. It uses 3-in-1 technology to trap dust, lint, and allergens.

Certified asthma and allergy-friendly, it’s made with 50% recycled content. Use the Filtrete Smart App for easy reminders.

Pros	Cons
Captures 2X more microparticles with MERV 11 rating. Certified asthma & allergy-friendly for cleaner air. Eco-friendly with 50% recycled content. Fits Honeywell & Lennox systems perfectly. Smart app reminders for hassle-free filter changes.	Exact size differs from standard, may not fit all systems. 12-month lifespan requires yearly replacement, adds to long-term costs. 4-inch thickness might not fit all HVAC units, check before buying.

Perfect For:

This Filtrete 16x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for those with allergies or asthma, as it captures dust, lint, and allergens. Easy to use and fits Honeywell and Lennox systems.

Ready to Purchase?

View Price on Amazon (paid link)

9. Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 4-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)

Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 4-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)

The Filtrete 16x25x4 Air Filter is a 4-pack designed for Honeywell and Lennox systems. It fits AC, furnace, and HVAC units perfectly. Each filter lasts up to 12 months, making it a reliable choice.

This filter has a MERV 11 rating and 1000 MPR, capturing 2X more microparticles. It uses 3-in-1 technology to trap dust, lint, and allergens. It’s certified asthma and allergy-friendly, ensuring cleaner air for your home.

Change the filter every 12 months for best results. Use the Filtrete Smart App for reminders. Trust North America’s most trusted HVAC filter brand for peace of mind.

Pros	Cons
Captures 2X more microparticles for cleaner, healthier air. Certified asthma & allergy-friendly, perfect for sensitive households. Fits Honeywell & Lennox, designed for easy, precise installation. 12-month filter life, fewer replacements, more savings. Smart app reminders, never forget to change your filter again.	Exact size differs from standard, may not fit all systems. Requires yearly replacement, adding to long-term costs. App reminders need manual setup, not automatic tracking.

Perfect For:

This Filtrete 16x25x4 Air Filter is perfect for homeowners who want cleaner air in their homes. It’s great for those with allergies or asthma, as it traps dust, lint, and other allergens.

Ready to Purchase?

View Price on Amazon (paid link)

10. Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

The Aerostar 20x20x1 MERV 8 Air Filter keeps your home’s air clean and fresh. It captures dust, lint, and pollen with ease. This 6-pack lasts you a long time.

It fits most HVAC systems and works well. The electrostatically charged design traps more particles. It also saves energy by reducing strain.

Made in the USA, this filter is durable and reliable. It outlasts traditional filters with its strong frame. Trust it for cleaner indoor air every day.

Pros	Cons
Fits most HVAC systems, ensuring universal compatibility. Captures 90% of particles for cleaner, fresher air. Saves energy with enhanced airflow and efficiency. Lasts up to 3 months, outperforming traditional filters. Proudly made in the USA with high-quality materials.	Not reusable, must be replaced every 3 months. Higher cost than basic fiberglass filters. Doesn’t capture very small particles like smoke.

Perfect For:

This Aerostar air filter is perfect for anyone who wants cleaner air in their home or office. It’s great for HVAC systems and works well with most brands. Easy to use and long-lasting, it’s ideal for busy people who want fresh air without extra hassle.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Choosing the right furnace filter keeps your home’s air clean and healthy. It traps dust, pollen, and other particles, so you breathe easier. A good filter also protects your HVAC system, saving you money in the long run.

Factors to Consider When Buying Furnace Filters:
– MERV Rating: Higher MERV ratings (like 11-13) trap smaller particles but may restrict airflow. Lower ratings (like 5-8) are good for basic dust control.
– Size: Measure your current filter or check your system’s manual. Common sizes include 16x20x1, 16x25x1, and 20x25x4.
– Lifespan: Filters last 1-12 months. Check the label and set reminders to replace them on time.
– Brand Reliability: Trusted brands like Filtrete, AprilAire, and Amazon Basics offer quality and durability.
– Electrostatic Filters: These use static electricity to attract particles, improving efficiency.
– Allergy and Asthma Needs: Look for certified asthma and allergy-friendly filters with higher MERV ratings.
– Ease of Installation: Some filters, like AprilAire, have tool-free installation features.
– Cost: Balance quality with budget. Buying in bulk (like 6-packs) often saves money.
– Environmental Impact: Choose filters made with recycled materials or from eco-friendly brands.

With these tips, you’ll find the perfect furnace filter for your home. Breathe easy and enjoy cleaner air!