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Home » Best Permanent Air Filters For Furnaces 2023

Best Permanent Air Filters For Furnaces 2023

December 17, 2022 by Editorial Team

Air filters are an essential component of any heating and cooling system, helping to keep the air inside your home clean and healthy. Furnace filters, in particular, work to remove contaminants such as dust, pollen, and pet dander, which can trigger allergies or worsen respiratory problems.

When choosing a permanent air filter for your furnace, it is important to consider factors such as efficiency, durability, and cost. This article will introduce some of the best permanent air filters for furnaces on the market, providing a comprehensive overview of their features, benefits, and drawbacks.

Best Permanent Air Filters For Furnaces

Table of Contents

  • Top 10 Permanent Air Filters For Furnaces (Based on Our Research)
  • Our Editor’s Best Permanent Air Filters For Furnaces Reviews
    • K&N 16x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11620
    • Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever (16X20X1)
    • Venti Tech 16x20x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter
    • Trophy Air 16x20x1 Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA 16x20x1 – Increases Airflow
    • K&N 24x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12424
    • K&N 12x24x1 Air Filter, Merv 11, Washable Air Filter, the Last Furnace Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions .8 x 23.6 x 11.6 inches)
    • K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020
    • Electrostatic Washable Permanent A/C Furnace Air Filter (18X20X1)
    • Supplying Demand 68-101807-03 Permanent Washable Furnace Air Filter Replacement 19-3/4 x 21 x 3/8 Inches
    • 16X25X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity
  • Best Permanent Air Filters For Furnaces Buying Guide
    • Air filter classifications
    • Air filter media
    • Air filter efficiency
    • Air filter size
    • Air filter installation
    • Air filter cost
  • Permanent Air Filters For Furnace FAQs
    • What are the benefits of using a permanent air filter for my furnace?
    • How often will I need to replace the filter?
    • What are the different types of permanent air filters for furnaces?
    • What are the pros and cons of using a permanent air filter for my furnace?
    • Which permanent air filter for the furnace is the best?
  • Conclusion

Top 10 Permanent Air Filters For Furnaces (Based on Our Research)

# Preview Product Price
1 K&N 16x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11620 K&N 16x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11620 $23.99 Buy on Amazon
2 Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever (16X20X1) Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever (16X20X1) $52.94 Buy on Amazon
3 Venti Tech 16x20x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter Venti Tech 16x20x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter $49.99 Buy on Amazon
4 Trophy Air 16x20x1 Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA 16x20x1 - Increases Airflow Trophy Air 16x20x1 Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA 16x20x1 – Increases Airflow $53.95 Buy on Amazon
5 K&N 24x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12424 K&N 24x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12424 $31.99 Buy on Amazon
6 K&N 12x24x1 Air Filter, Merv 11, Washable Air Filter, the Last Furnace Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions .8 x 23.6 x 11.6 inches) K&N 12x24x1 Air Filter, Merv 11, Washable Air Filter, the Last Furnace Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions .8 x 23.6 x 11.6 inches) $39.99 Buy on Amazon
7 K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020 K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020 $31.99 Buy on Amazon
8 Electrostatic Washable Permanent A/C Furnace Air Filter (18X20X1) Electrostatic Washable Permanent A/C Furnace Air Filter (18X20X1) $49.99 Buy on Amazon
9 Supplying Demand 68-101807-03 Permanent Washable Furnace Air Filter Replacement 19-3/4 x 21 x 3/8 Inches Supplying Demand 68-101807-03 Permanent Washable Furnace Air Filter Replacement 19-3/4 x 21 x 3/8 Inches $41.99 Buy on Amazon
10 16X25X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity 16X25X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity $59.99 Buy on Amazon

Our Editor’s Best Permanent Air Filters For Furnaces Reviews


K&N 16x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11620

 K&N 16x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11620

Key Features:

  • This is a permanent air filter for a furnace that is washable and will save the shopper money in the long run.
  • The furnace filter is a washable, reusable air filter that can be used for up to 5 years. It saves money compared to disposable filters because it can be used multiple times.
  • This filter will help to keep the HVAC system efficient by providing good airflow.
  • This permanent air filter for furnace is designed for excellent air filtration and is guaranteed for quality.
  • This filter is designed to replace your old furnace filter directly, without any modification needed.
  • This permanent air filter for furnace helps capture dust, pollen, and other contaminants to improve air quality.
  • Permanent air filters for furnace are available in a MERV 11 rating, which means they offer superior filtration compared to other types of air filters. These filters can help to remove smaller particles from the air, making it cleaner and healthier to breathe.
  • This is a permanent filter for a furnace that is easy to clean. You remove the filter, apply a cleaning solution, rinse it off, let it dry, and then return it to the housing.
$23.99 Buy on Amazon

Related Read: Best Furnace Filters For Air Flow


Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever (16X20X1)

 Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever (16X20X1)

Key Features:

  • This is a type of air filter that uses static electricity to remove contaminants from the air. This type of filter is said to be more effective than other types of air filters at removing contaminants from the air.
  • A permanent air filter for furnace is a type of air filter that is designed to last for the lifetime of the furnace. It is typically made of a pleated paper or synthetic material that can be washed and reused. Many permanent air filters come with a Lifetime Warranty, which means that the manufacturer guarantees that the filter will last for the lifetime of the furnace.
  • The air filter comes with a free microfiber cloth for dusting.
  • This is a permanent air filter for a furnace that is made of industrial grade materials. It is designed to last for a long time and is effective at filtering out airborne particles.
  • If you are looking for a permanent air filter for your furnace that will never rust, this may be the filter for you. According to the description, it is made entirely of aluminum, so it should not rust like other filters that are made with galvanized steel.
$52.94 Buy on Amazon

Venti Tech 16x20x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter

 Venti Tech 16x20x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter

Key Features:

  • The PERMANENT AIR FILTERS for FURNACE is a great way to remove dirt, dust, and other particles from your home. This product is easy to install and is made of high-quality materials, making it a great choice for anyone looking for a way to improve their home’s air quality.
  • Permanent air filters are filters for your furnace that can be reused and washed as needed. This eliminates the need for disposable filters that need to be replaced regularly.
  • Permanent air filters for furnaces improve air flow and automatically reduce stress on the equipment, extending the lifespan of your HVAC system.
  • Permanent air filters for furnaces are a lifetime investment that will save money in the long run. They are better for air circulation and will lower energy costs.
  • The Venti Tech permanent air filter is a high-quality product that is guaranteed to satisfy your needs. If you have any problems with your order, you can contact Venti Tech customer service or Amazon customer service for assistance.
$49.99 Buy on Amazon

Trophy Air 16x20x1 Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA 16x20x1 – Increases Airflow

 Trophy Air 16x20x1 Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA 16x20x1 - Increases Airflow

Key Features:

  • Permanent air filters for furnace are designed to improve your home’s ventilation efficiency and reduce air flow resistance for your HVAC system.
  • This filter will help to reduce the amount of dust and pollen in the air, making it cleaner and healthier for those who suffer from allergies.
  • This furnace air filter is made with four layers of high-grade aluminum and two layers of electrostatic media. This ensures that the filter will be durable and will trap airborne particles effectively.
  • These filters are designed to be quickly and easily installed into your HVAC system, and can be changed out effortlessly in seconds.
  • The filters are made in the USA, so they are durable and of high quality.
$53.95 Buy on Amazon

K&N 24x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12424

 K&N 24x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12424

Key Features:

  • This air filter is designed to be washed and reused, rather than being replaced every few months. This could save the shopper money in the long run.
  • The product is a permanent air filter for a furnace that is reusable and compared to disposable filters, can save the user $30 annually.
  • The permanent air filters for furnace are designed to help maintain HVAC system efficiency by providing excellent airflow.
  • The air filter is designed to last a long time and filter the air effectively.
  • This permanent air filter for furnace is designed to fit directly into your filter register, providing a direct replacement for your old air filter.
  • If you’re looking to improve the air quality in your home, this permanent air filter for your furnace is a great option. It helps capture dust, pollen, and other contaminants, making the air in your home healthier and more comfortable to breathe.
  • The MERV 11: Superior Filtration air filters for furnace are designed to provide superior filtration of the air in your home. These filters are able to remove more airborne particles, including dust, pollen, and pet dander, from the air than standard filters. This can help to create a healthier environment in your home, especially for those with allergies or asthma.
  • This is a permanent air filter for a furnace that is easy to clean. You remove the filter, apply K&N HVAC filter cleaner, rinse with a low pressure hose, let the filter dry, and then return the filter to the housing.
$31.99 Buy on Amazon

Related Read: Best Hepa Air Filter For Hvac


K&N 12x24x1 Air Filter, Merv 11, Washable Air Filter, the Last Furnace Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions .8 x 23.6 x 11.6 inches)

 K&N 12x24x1 Air Filter, Merv 11, Washable Air Filter, the Last Furnace Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions .8 x 23.6 x 11.6 inches)

Key Features:

  • This is a furnace filter that is permanent and washable, meaning it will last a long time and save money in the long run.
  • This permanent air filter for furnace will save the shopper money in the long run, as it is reusable compared to disposable filters.
  • The permanent air filters for furnace are designed to help maintain HVAC system efficiency by providing excellent airflow.
  • The permanent air filters for furnace are designed for excellent air filtration and are made of premium materials.
  • The permanent air filters for furnace are designed to fit directly into your filter register, allowing for easy installation and replacement.
  • This filter will help improve the air quality in your home by capturing dust, pollen, and other contaminants.
  • The MERV 11 furnace filter is a top-of-the-line option for those looking for the best possible air filtration. This filter will remove over 95% of airborne particles from the air, making it an excellent choice for people with allergies or respiratory problems.
  • This is a permanent air filter for a furnace that is easy to clean. You remove the filter, apply a filter cleaner, rinse it with a low pressure hose, let it dry, and then return it to the housing.
$39.99 Buy on Amazon

K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020

 K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020

Key Features:

  • This furnace filter is designed to be washed and reused, saving the shopper money in the long run.
  • The product is a reusable air filter for a furnace, which the company claims will save the customer $30 compared to using disposable filters.
  • The filter will help improve the efficiency of your HVAC system.
  • This is a permanent air filter for a furnace that is guaranteed to be of premium quality, meaning that it will provide excellent filtration of the air.
  • This is a permanent air filter for your furnace that is designed to fit directly into your filter register.
  • If you’re looking to improve the quality of the air in your home, this permanent air filter for your furnace is a great option. It helps capture dust, pollen, and other contaminants, and it’s easy to maintain.
  • The MERV 11: Superior Filtration permanent air filters for furnace is a top of the line product that will ensure your furnace is running efficiently and effectively.
  • The K&N HVAC Filter Cleaner lets you clean your furnace’s air filter easily and effectively. Just remove the filter, apply the cleaner, rinse with a low-pressure hose, let the filter dry, and return it to the housing.
$31.99 Buy on Amazon

Electrostatic Washable Permanent A/C Furnace Air Filter (18X20X1)

 Electrostatic Washable Permanent A/C Furnace Air Filter (18X20X1)

Key Features:

  • This product is a furnace filter that is designed to be permanent and efficient. It is made with an electro-static polypropylene mesh and a heavy duty extruded aluminum frame. The aluminum wire mesh screening helps to keep the product lasting longer.
  • A MERV 8 filter is a permanent air filter for a furnace that is rated to remove contaminants from the air.
  • This permanent air filter for furnace is easy to maintain – just hose it off and reinstall it when needed. It’s a great option for anyone looking for a hassle-free way to keep their furnace running efficiently.
  • This product is a furnace filter that is made in the USA.
  • A permanent air filter for furnace has a limited lifetime warranty, meaning that it is guaranteed to last for a certain amount of time.
$49.99 Buy on Amazon

Supplying Demand 68-101807-03 Permanent Washable Furnace Air Filter Replacement 19-3/4 x 21 x 3/8 Inches

 Supplying Demand 68-101807-03 Permanent Washable Furnace Air Filter Replacement 19-3/4 x 21 x 3/8 Inches

Key Features:

  • If you are looking for a air filter for your furnace that is permanent and does not need to be replaced, this is the filter for you. This filter is made with washable plastic, so you can simply wash it when it needs to be cleaned.
  • The filter is black and is designed to fit into a furnace. It measures 19-3/4 X 21 X 3/8 inches.
  • The shopper is looking at a type of air filter for their furnace that can be washed and reused, as opposed to being thrown away after a single use. This type of air filter is more environmentally friendly because it creates less waste.
  • This is a permanent air filter for a furnace. It is compatible with major brands, but you should always verify fitment with your specific application.
  • The product is a permanent air filter for a furnace. It is white in color and has the SD logo on the front. The filter is designed to last for the life of the furnace.
$41.99 Buy on Amazon

16X25X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity

 16X25X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity

Key Features:

  • The Merv 8 furnace filter is a high-quality product that has been tested by the ASHRAE and comes with a limited lifetime warranty.
  • Permanent air filters for furnace have high dust arrestance and low air resistance rating. They have a flow of 300 feet per minute.
  • The air filter is designed to be washed and reused multiple times. It is made with an electrostatic material that can trap dust and other particles. The filter has a 165-gram dust holding capacity.
  • This permanent air filter for furnace is made of premium quality extruded metal mesh with a gold anodized aluminum frame. It is designed to last for years and is an excellent choice for those who want the best air quality for their home.
  • The Carter Flexible Frame Filters are permanent air filters for furnaces that come in all standard-size options. They are easy to install and remove, and are designed to fit in tight spaces.
$59.99 Buy on Amazon

Related Read: Best HVAC Air Filter For Smoke


Best Permanent Air Filters For Furnaces Buying Guide

Air filter classifications

Air filters are broadly classified into two categories, namely disposable and permanent. Disposable air filters are designed to be replaced every few months, whereas permanent air filters require replacement only after several years.

Air filter media

Air filter media is the most important component of an air filter. Media can be made of synthetic or paper materials, or a combination of both. Synthetic media is easy to clean and lasts longer. However, they are expensive. Paper media is affordable and widely available. It is also easier to install.

Air filter efficiency

The efficiency of an air filter depends on the size of the air filter, the type and quality of the media, and the airflow. Air filters are rated using their efficiency in terms of their ability to filter particles in three stages, namely capture, suspension and removal.

Higher efficiency means better air filtration and higher air quality. Air filters with higher efficiency require less energy for airflow. Air filters with higher efficiency have a lower pressure drop and provide better airflow.

Air filter size

Air filters are available in different sizes. Choosing the correct size is important, as an undersized air filter will cause air restriction and an oversized air filter will cause unnecessary energy consumption.

The recommended filter size depends on the airflow and the type of air filter. Air filters with higher efficiency require smaller filter sizes. The recommended filter size can be calculated using the manufacturer’s guidelines.

Air filter installation

Air filters are available either online or offline. In-line air filters are easier to install but require more space and are more expensive. Off-line air filters are compact and cost-effective but difficult to install. Air filters are also available with different connection types, including quick-connect, clamp-on, slide-on, and others.

Air filter cost

Air filters are available at different price points. The price of an air filter depends on the media, efficiency, size, and connection type. The cost of an air filter can be reduced by choosing a smaller size or an efficient air filter with a lower pressure drop. Air filters with a lower pressure drop require less energy for airflow.


Permanent Air Filters For Furnace FAQs

What are the benefits of using a permanent air filter for my furnace?

Permanent air filters are beneficial because they can be used over and over again. Also, they don’t need to be replaced as often as disposable filters.

How often will I need to replace the filter?

There is no definitive answer to this question as it will depend on a number of factors, including the type of filter, the size of the unit, and the amount of use it gets. However, most filters will need to be replaced every few months.

What are the different types of permanent air filters for furnaces?

The most common type of permanent air filter is the pleated air filter. These filters are made of pleated paper or cloth and can be used in a variety of furnace models. Other types of permanent air filters include activated carbon filters and HEPA filters.

What are the pros and cons of using a permanent air filter for my furnace?

The pros of using a permanent air filter for your furnace are that you will never have to replace it and it will save you money in the long run. The cons are that it may not be as effective as a disposable filter and it can be more difficult to clean.

Which permanent air filter for the furnace is the best?

The best permanent air filter for the furnace is the pleated filter.


Conclusion

There are many great permanent air filters for furnaces on the market. Our list of the best permanent air filters for furnaces will help you save time researching and choosing the best one for you.

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