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Best Filter For Lennox Furnace (2024 Updated)

If you’re looking for a way to keep your Lennox furnace running efficiently, then investing in a high-quality filter can make all the difference. Not only can it help keep your air clean, but it can also help prolong the life of your system. However, with so many options on the market, it can be hard to know which filter is right for you.

When it comes to choosing a filter for your Lennox furnace, there are a few important factors to consider. First and foremost, you’ll want to choose a filter with a high MERV rating, which measures its ability to trap pollutants. Additionally, you’ll want to choose a filter that fits snugly into your furnace, as any gaps can allow dust and debris to bypass the filter. Finally, consider the lifespan of the filter and how frequently it will need to be replaced to ensure that you’re getting the best value for your money.

Are you tired of constantly having to replace your furnace filter? Are you struggling with allergies and poor indoor air quality? Invest in a high-quality filter for your Lennox furnace and see the difference it can make in your home. But with so many options on the market, how do you know which filter is right for you? Consider the MERV rating, fit, and lifespan of the filter to ensure that you’re getting the best possible value. With the right filter in place, you can breathe easy knowing that your furnace is working its best to keep your home comfortable and clean.

10 Best Filter For Lennox Furnace

# Product Image Product Name Product Notes Check Price
1
Ideal for improving indoor air quality and increasing the efficiency of air conditioners/furnaces.
2
The product is ideal for replacing air filters in AC and furnace systems.
3
It is ideal for replacement filters for Honeywell air purifiers or HVAC systems.
4
This product is ideal for improving indoor air quality and removing carbon from the air.
5
This product is ideal for improving indoor air quality by trapping small particles and pollutants.
6
Ideal for replacement of air conditioner/furnace filters with MERV 11 rating, measuring 20x26x5 inches in size, sold in a pack of two.
7
Ideal for improving indoor air quality, removing allergens and contaminants from HVAC system.
8
This product is ideal for improving indoor air quality and reducing allergy symptoms by capturing fine particles, dust, and allergens.
9
The product is ideal for improving air quality by capturing and eliminating household pollutants.
10
Ideal for replacing air filters in Lennox and ABC2000 AC and furnace systems, providing improved air quality.
Ideal for improving indoor air quality and increasing the efficiency of air conditioners/furnaces.
The product is ideal for replacing air filters in AC and furnace systems.
It is ideal for replacement filters for Honeywell air purifiers or HVAC systems.
This product is ideal for improving indoor air quality and removing carbon from the air.
This product is ideal for improving indoor air quality by trapping small particles and pollutants.
Ideal for replacement of air conditioner/furnace filters with MERV 11 rating, measuring 20x26x5 inches in size, sold in a pack of two.
Ideal for improving indoor air quality, removing allergens and contaminants from HVAC system.
This product is ideal for improving indoor air quality and reducing allergy symptoms by capturing fine particles, dust, and allergens.
The product is ideal for improving air quality by capturing and eliminating household pollutants.
Ideal for replacing air filters in Lennox and ABC2000 AC and furnace systems, providing improved air quality.

1. Tier1 Replacement For Lennox X8788 20x26x5 Merv 13 Pleated Air Conditioner/furnace Filter 2-Pack

The 20x25x4 Air Filter is an excellent replacement for the Lennox X8788 model. Its actual size measures 20 inches in length, 25 1/2 inches in width, and 4 3/8 inches in depth, allowing it to fit easily into the air filter slot. The filter's effective filtration system is made of MERV 13 synthetic media, which is comparable to MPR 1500-1900 and FPR 10, and protects homes from the smallest particles and bacteria ranging from .03 to 1 microns.

The air filter features an electrostatically charged, pleated design that captures more particles and prolongs the product's lifespan by three times that of fiberglass models. This high-quality construction ensures that the filter performs efficiently and provides optimal protection against airborne contaminants.

This air filter is proudly made in the USA from eco-friendly materials, ensuring that it meets the highest standards of quality and environmental responsibility. With this air filter, homeowners can enjoy clean air and a healthier living environment.

Overall, the 20x25x4 Air Filter is an excellent product that provides reliable and efficient filtration. Its high-quality construction, effective filtration system, and eco-friendly materials make it a must-have for any homeowner concerned about the air quality in their home.

Pros

  • High-quality construction ensures optimal performance
  • Efficient filtration system captures even the smallest particles
  • Eco-friendly materials and made in the USA

Cons

  • – May not fit all air filter slots

2. Carbon Pleated Air Filters For Lennox Furnace

The Nordic Pure MERV 12 air filter is a high-performance replacement for Lennox X6673 and X6675 media air filters. With nominal dimensions of 20 x 25 x 5 L x RED and actual dimensions of 19 3/4 x 24 3/4 x 4 3/8 (19.75 x 24.75 x 4.38), it is important to measure your air filter to ensure that it fits properly.

This air filter is designed for high air filtration and odor control, making it an ideal choice for those who suffer from allergies or other respiratory issues. With a MERV 12 rating, it is equivalent to MPR 1500-1900, providing superior filtration performance.

Made in the USA, this air filter is a reliable and durable option for your home's HVAC system. It is made from high-quality materials that are designed to last and provide consistent performance over time.

Pros

  • High-performance replacement for Lennox X6673 and X6675 media air filters
  • Ideal for high air filtration and odor control
  • Equivalent to MPR 1500-1900
  • Made in the USA
  • Reliable and durable

3. Lennox X6670 Merv 11 Box Replacement Filter Also For Honeywell, 16" H X 25" L X 5" W (3-Pack)

The Genuine Lennox Replacement Filter is a MERV 11 filter that measures 16" x 25" x 5". The actual size of the filter is 15 3/4" x 24 3/4" x 4 3/8". It is designed to replace the X6670 filter for Lennox Model HCF16-10 and HCC16-28. Additionally, it replaces Honeywell FC35A1001, FC100A1029, FC200E1029, EXPXXFIL0016, EXPXXUNV0016, EXPXXLMC0016, FILCCCAR0016, and FILBBCAR0016 filters. It is a high-quality filter that effectively removes a variety of airborne particles, including dust, pollen, and pet dander. The filter is easy to install and is made from durable materials that ensure a long-lasting performance.

This Genuine Lennox Replacement Filter is an excellent choice for those who want to maintain clean indoor air quality. The filter has a high MERV 11 rating, which means it can capture a wide range of airborne particles. It is also compatible with several Lennox and Honeywell models, making it a versatile filter that can be used in many different HVAC systems. The filter is made from high-quality materials that ensure long-lasting performance and is easy to install. Overall, this filter is an excellent investment for anyone who wants to improve their indoor air quality.

Pros

  • High-quality filter that effectively removes a variety of airborne particles
  • Easy to install
  • Made from durable materials that ensure a long-lasting performance
  • Compatible with several Lennox and Honeywell models
  • High MERV 11 rating

4. Lennox Healthy Climate Carbon-Clean Filter Bundle

The MERV 16 rated filter is designed to improve the air quality of your home. It has an actual size of 15-3/4 x 24-3/4 x 4-3/8 and can last up to 1 year depending on individual conditions and home needs. With a Same Day Supply reminder magnet included in the bundle, you will know when it's time to change your filter without having to open your filter cabinet. The filter is shipped in an individual clear plastic bag that can be reused to dispose of your old filter. It removes more than 95% of particles ranging in size down to 0.3 micron and over 90% of particles 0.01 microns and larger.

If you want to ensure the air you breathe is clean and healthy, this filter is an excellent choice. With its high MERV 16 rating, it can effectively remove a wide range of harmful particles from the air, including dust, pollen, and pet dander. Additionally, the filter's long lifespan and included reminder magnet make it easy to maintain and keep track of.

The filter's ability to remove particles as small as 0.01 microns is impressive and ensures that even the tiniest contaminants are filtered out. The individual clear plastic bag that the filter comes in is also a convenient feature, as it can be reused to dispose of your old filter. Overall, this is a great product that can help improve the air quality of your home and keep you and your family healthy.

Pros

  • High MERV 16 rating effectively removes a wide range of harmful particles from the air
  • Long lifespan of up to 1 year
  • Included reminder magnet makes it easy to maintain and keep track of
  • Removes particles as small as 0.01 microns
  • Individual clear plastic bag can be reused to dispose of old filter

5. Lennox Carbon Coated X6672 Healthy Climate Merv 16 Filter (2 Pack)

This air filter has a nominal size of 16" x 25" x 5" and an actual size of 15 7/8" x 24 7/8" x 4 3/8". It is designed to fit perfectly into most HVAC systems and provides excellent air filtration.

Made with high-quality materials, this air filter can effectively capture airborne particles such as dust, pollen, and pet dander. It also helps to improve indoor air quality and prevent the buildup of harmful contaminants.

With its sturdy construction, this air filter is built to last and can provide long-lasting performance. It is also easy to install and replace, making it a convenient and practical choice for homeowners and renters alike.

Pros

  • Effective air filtration for dust, pollen, and pet dander
  • Improves indoor air quality and prevents the buildup of harmful contaminants
  • Sturdy construction for long-lasting performance
  • Easy to install and replace

6. Tier1 Replacement For Lennox X8788 20x26x5 Merv 11 Pleated Air Conditioner/furnace Filter 2-Pack

Improve the air quality in your home with the high-performing and eco-friendly replacement filter for Lennox X8788. Measuring 20 inches in length, 25 1/2 inches in width, and 4 3/8 inches in depth, this filter is designed to effectively filter out pet dander, allergens, and other harmful particles with its MERV 11 synthetic media. This is comparable to MPR 1000 – 1200 and FPR 7 ratings, ensuring that your home is protected from harmful pollutants.

Constructed with high-quality materials, this filter features an electrostatically charged, pleated design that captures more particles than other models, prolonging its lifespan by up to 3 times that of fiberglass filters. This not only saves you money in the long run but also ensures that your home is protected from harmful particles for an extended period of time.

This filter is proudly made in the USA with eco-friendly materials, ensuring that you are making a responsible choice for your home and the environment. Upgrade to this replacement filter for Lennox X8788 and enjoy clean and healthy air in your home.

Pros

  • Effectively filters out pet dander, allergens, and other harmful particles.
  • High-quality construction with electrostatically charged, pleated design.
  • Prolongs the lifespan by up to 3 times compared to fiberglass filters.
  • Eco-friendly and made in the USA.

7. X6672 Lennox Healthy Climate 16x25x5 Merv 16 Filter

The Merv 16 rated filter is considered to be one of the best filters available in the market. It has been rated as the number 1 filter by Consumer Reports due to its high performance and efficiency. The filter is compatible with various models such as Lennox hcxf16-16, hcf16-16, hcf16-10, Honeywell fc35a1001, fc100a1029, fc200e1029, Carrier/Bryant expxxfil0016, expxxunv0016, expxxlmc0016, filcccar0016.

The Merv 16 rating of the filter indicates that it can capture a wide range of particles, including pet dander, pollen, mold spores, and even bacteria. This makes it an ideal choice for those who suffer from allergies or respiratory problems. The filter is also designed to last longer than other filters and requires less maintenance.

The Lennox hcxf16-16, hcf16-16, hcf16-10, Honeywell fc35a1001, fc100a1029, fc200e1029, Carrier/Bryant expxxfil0016, expxxunv0016, expxxlmc0016, filcccar0016 are some of the popular models that are compatible with the Merv 16 filter. These filters are designed to improve the air quality in your home, and the Merv 16 filter can further enhance their performance.

Overall, the Merv 16 rated filter is an excellent choice for those who want to improve the air quality in their homes. It is highly efficient, long-lasting, and compatible with various models. It can capture a wide range of particles, making it an ideal choice for those who suffer from allergies or respiratory problems.

Pros

  • Highly efficient and long-lasting
  • Compatible with various models
  • Can capture a wide range of particles, including pet dander, pollen, mold spores, and even bacteria
  • Improves the air quality in your home

8. Lennox Clean Air 2-Pack Merv 16 Filter.

The Lennox X6675 Replacement Filter is a high-efficiency filter that measures 20 x 25 x 5 inches and has a Minimum Efficiency Reporting Value (MERV) of 16. This filter is a suitable replacement for the Lennox HCC20-28 model as well as for many Honeywell, Carrier, and Trion Air Bear models that accept a 16x25x5 filter. With its in-and-out media filter replacement, the Lennox X6675 filter requires no maintenance except for periodic replacement every 6-12 months. The HCF20-16 Carbon Clean 16 furnace filter provides filtration throughout your home, ensuring that your indoor air quality is clean and healthy. To properly dispose of your old filter, use the Homequip Filter Disposal Bag.

The Lennox X6675 Replacement Filter is a top-of-the-line filter that provides exceptional filtration for your home. With its MERV 16 rating, it can effectively capture and remove even the tiniest particles from the air, including pollen, dust mites, and pet dander. Its easy-to-replace media filter design makes filter replacement a breeze, and its compatibility with multiple models ensures that you can use it with your existing HVAC system. Additionally, the HCF20-16 Carbon Clean 16 furnace filter provides superior filtration throughout your home, promoting better indoor air quality for you and your family.

If you're looking for a high-quality replacement filter that can provide exceptional filtration for your home, the Lennox X6675 Replacement Filter is an excellent choice. Its easy maintenance and superior filtration capabilities make it a must-have for any homeowner who wants to ensure that their indoor air quality is clean and healthy.

Pros

  • MERV 16 rating for exceptional filtration
  • Compatible with multiple models
  • Easy-to-replace media filter design
  • Superior filtration capabilities promote better indoor air quality
  • Requires no maintenance except for periodic replacement

Cons

  • – May not be compatible with all HVAC systems

9. Lennox Merv 11 Air Filter 2-Pack

The 20 inches (width) x 25.88 (length) x 4.88 inches (depth) air filter is an efficient way to keep your home fresh and clean. With a MERV 11 synthetic media, it provides effective filtration, making it ideal for homes with pets, allergies, and more. This filter is comparable to MPR 1000 – 1200 and FPR 7 rating systems, ensuring that you get the best performance for your home.

This air filter is constructed with high-quality materials and features an electrostatically charged, pleated design that captures more particles than traditional fiberglass models. The pleated design also prolongs the life of the filter by three times that of fiberglass models, making it a cost-effective option for your home.

This air filter is proudly made in the USA from eco-friendly materials, making it a responsible and sustainable choice for your home. It is a comparable filter replacement for Lennox X0587, ABC2000, FR2000, and BMAC20-CE, ensuring that you get a high-quality product that is compatible with your existing system.

Pros

  • Efficient filtration for homes with pets, allergies, and more
  • High-quality construction with electrostatically charged, pleated design
  • Prolongs lifespan of the filter by three times that of fiberglass models
  • Made in the USA from eco-friendly materials
  • Comparable filter replacement for Lennox X0587, ABC2000, FR2000, and BMAC20-CE

Best Filter For Lennox Furnace FAQs

Can using the wrong filter damage my Lennox furnace?

Yes, using the wrong filter in your Lennox furnace may potentially cause damage. The filter in your furnace is responsible for trapping dust, dirt, and other particles that can cause damage to the furnace's components. If the wrong filter is used, it may not provide adequate filtration or may restrict air flow, causing the furnace to work harder than necessary. This added strain on the system can lead to increased wear and tear on the furnace's components, potentially resulting in damage or even system failure. It is important to use the filter recommended by the manufacturer to ensure proper filtration and airflow, and to change the filter regularly as recommended. Regular filter changes can help maintain the efficiency and lifespan of your Lennox furnace, while also keeping your indoor air quality clean and healthy.

How do I replace the filter in my Lennox furnace?

To replace the filter in your Lennox furnace, you need to locate the filter cabinet which is typically located near the blower motor. The cabinet can be accessed by removing the cover panel. Once you have located the cabinet, remove the old filter by pulling it out of the slot carefully. It is important to make sure that you note the direction of the airflow indicated on the filter frame. After removing the old filter, replace it with a new one that matches the size and rating of the old filter. Ensure that the arrow on the filter frame aligns with the direction of the airflow. Finally, replace the cover panel and switch on the furnace. It is recommended that you replace the filter every one to three months depending on the usage of your furnace. This will ensure that your furnace continues to operate efficiently and that the air in your home is clean and healthy.

How often should I change the filter in my Lennox furnace?

As a homeowner, it's important to maintain your heating system, including changing the air filter regularly. When it comes to Lennox furnace, the frequency of filter changes will depend on several factors such as the type of filter used, the size of the house, the number of people living in the house, and the presence of pets.

Generally, it is recommended to change Lennox furnace filters every three months. However, if you have pets or someone in your household has allergies, it is advisable to change the filters every one to two months. This will ensure that the air quality in your home is healthy and free from allergens, dust, and other particles.

It's also important to note that a clogged or dirty filter can cause your furnace to work harder, leading to higher energy bills and potential damage to your system. Therefore, regular filter replacement will not only improve air quality but also increase the efficiency and lifespan of your Lennox furnace.

In summary, changing the filter in your Lennox furnace every three months is recommended, but it may need to be done more frequently based on the factors mentioned above.

What is the purpose of a filter in a Lennox furnace?

The purpose of a filter in a Lennox furnace is to prevent the build-up of dust, dirt, and other debris in the furnace's heating system. The filter helps to keep the air clean and free of contaminants, which can reduce the risk of allergies, asthma, and other respiratory problems. A clean filter also helps to improve the efficiency of the furnace, as it allows air to flow freely through the system, reducing the workload on the furnace and helping to lower energy costs. Regularly replacing or cleaning the filter is important to ensure that the furnace is running at peak performance and to avoid potential breakdowns or malfunctions. In short, the filter is an essential component of the Lennox furnace that helps to maintain indoor air quality and optimize the furnace's performance.

What type of filter is best for a Lennox furnace?

When it comes to choosing the best filter for your Lennox furnace, there are several options available. The type of filter you choose will largely depend on your individual needs and budget. However, the most commonly recommended filter for a Lennox furnace is a high-efficiency pleated filter. These filters are designed to trap a wide variety of airborne particles, including dust, pollen, and pet dander. They also have a high MERV rating, which means they are able to capture smaller particles than traditional filters. Another option to consider is an electrostatic filter, which uses a static charge to attract and trap particles. These filters are more expensive than traditional filters but are more effective at removing pollutants from the air. Ultimately, the best filter for your Lennox furnace will depend on your specific needs and budget. It's important to consult with a professional HVAC technician to determine which type of filter is best suited for your furnace.

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