Carbon Furnace Filters

One of the most important objects in your home is your furnace. You need to keep it functioning properly and safe, but you also need to save on energy costs by using carbon filters for your furnace. Carbon filters work as an air filter and remove harmful particles from the air that can contribute to health problems like asthma and heart disease. They’re also great for saving money on heating bills because they help reduce emissions from furnaces.

Top Products

Best Overall

Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5

Full Ratings

  • Quality of material
    8.8
  • Value for money
    9.0
  • Size
    9.4
  • Overall satisfaction
    8.5

Why We Like

  • 16x25x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • electrostatic charged, pleated design
  • Capturing 90% of airborne particles

Minor Problems

  • May cut corners.
Editor's Choice

Filterbuy 20x20x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.5

Full Ratings

  • Quality of material
    8.8
  • Value for money
    9.0
  • Size
    9.4
  • Overall satisfaction
    8.5

Why We Like

  • 20x20x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • Captures 90% of airborne particles with no impact on air flow
  • Safe and effective for all types of homes

Minor Problems

  • It may not work.
Best Value

Lennox X6675 MERV 16 Media Air Cleaner, 1 Count (Pack of 1)

Full Ratings

  • Quality of material
    8.8
  • Value for money
    9.0
  • Size
    9.4
  • Overall satisfaction
    8.5

Why We Like

  • MERV 16 filtration
  • Coconut activated and carbon coated fiber matrix
  • Odor removing
  • Whole home HC16 filtration system*
  • Safe and effective on all glossy paints and clear coats

Minor Problems

  • Unit might not work well.
1/18
Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5

Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5

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8.6
Based On 13714 Reviews
  • Easy to use
    9.0
  • Value for money
    8.3
  • Customer support
    8
  • Overall satisfaction
    8.9

Pros

  • 16x25x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • electrostatic charged, pleated design
  • Capturing 90% of airborne particles

Cons

  • May cut corners.
Read More
2/18
Filterbuy 20x20x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.5

Filterbuy 20x20x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.5

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7.3
Based On 13714 Reviews
  • Easy to use
    7.6
  • Value for money
    7.0
  • Customer support
    7
  • Overall satisfaction
    7.4

Pros

  • 20x20x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • Captures 90% of airborne particles with no impact on air flow
  • Safe and effective for all types of homes

Cons

  • It may not work.
Read More
3/18
Lennox X6675 MERV 16 Media Air Cleaner, 1 Count (Pack of 1)

Lennox X6675 MERV 16 Media Air Cleaner, 1 Count (Pack of 1)

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7.7
Based On 3428 Reviews
  • Easy to use
    8.2
  • Value for money
    7.5
  • Customer support
    7
  • Overall satisfaction
    8

Pros

  • MERV 16 filtration
  • Coconut activated and carbon coated fiber matrix
  • Odor removing
  • Whole home HC16 filtration system*
  • Safe and effective on all glossy paints and clear coats

Cons

  • Unit might not work well.
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4/18
Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)

Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)

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7.4
Based On 3428 Reviews
  • Easy to use
    7.8
  • Value for money
    7.2
  • Customer support
    7
  • Overall satisfaction
    7.6

Pros

  • Nominal size
  • Actual size
  • 16" x 25" = 5'6"
  • 4.25" depth at the center of the circle

Cons

  • Can't find the part you're looking for?
  • We can help.
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5/18
Lennox 16x25x5 Furnace Filter, X6672 Filter Replacement, Merv 16 Carbon Clean Filter Media with Homequip Disposal Bag (2 Pack)

Lennox 16x25x5 Furnace Filter, X6672 Filter Replacement, Merv 16 Carbon Clean Filter Media with Homequip Disposal Bag (2 Pack)

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9.3
Based On 523 Reviews
  • Easy to use
    9.7
  • Value for money
    8.9
  • Customer support
    9
  • Overall satisfaction
    9.5

Pros

  • Replacement Filter
  • Minimum Efficiency Reporting Value (MERV) 16
  • Replaces the HCC16-28 model
  • Requires no maintenance except periodic (every 6-12 months), super easy, in-and-out media filter replacement
  • Easy to use

Cons

  • May generate sparks
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6/18
Lennox 20x25x5 Furnace Filter, X6675 Filter Replacement, Merv 16 Carbon Clean Filter Media with Homequip Disposal Bag (2 Pack)

Lennox 20x25x5 Furnace Filter, X6675 Filter Replacement, Merv 16 Carbon Clean Filter Media with Homequip Disposal Bag (2 Pack)

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7.6
Based On 523 Reviews
  • Easy to use
    8.0
  • Value for money
    7.4
  • Customer support
    7
  • Overall satisfaction
    7.8

Pros

  • Replacement Filter
  • Minimum Efficiency Reporting Value (MERV) 16
  • Replaces many models with a 16x25x5 filter
  • Requires no maintenance except periodic (every 6-12 months), super easy, in-and-out media filter replacement
  • Easy to replace

Cons

  • One side of the filter was cut off.
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7/18
Nordic Pure 16x25x2 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 3 Pack

Nordic Pure 16x25x2 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 3 Pack

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9.4
Based On 386 Reviews
  • Easy to use
    9.9
  • Value for money
    9.1
  • Customer support
    9
  • Overall satisfaction
    9.7

Pros

  • Nominal Size
  • Actual Size
  • Ideal for customers who not only need odor control but whose daily life demands high filtration
  • Nordic Pure MERV 12 is equivalent to MPR 1500-1900
  • Made in the USA

Cons

  • May not fit all types of furnaces.
Read More
8/18
Nordic Pure 20x25x4 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 2 Pack

Nordic Pure 20x25x4 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 2 Pack

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9.4
Based On 386 Reviews
  • Easy to use
    9.9
  • Value for money
    9.1
  • Customer support
    9
  • Overall satisfaction
    9.7

Pros

  • Actual Size: 19 1/2 x 24 1/2 x 3 5/8
  • Nominal size: 20x25x4
  • Actual size: 19x24x3
  • Nordic Pure MERV 12 is equivalent to MPR 1
  • If you are replacing a Honeywell or Lennox 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 20x25x5 (4 3/8 actual depth)

Cons

  • If the filter is dirty, you may have to clean it before using it.
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9/18
Nordic Pure 16x25x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

Nordic Pure 16x25x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

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8.9
Based On 386 Reviews
  • Easy to use
    9.5
  • Value for money
    8.7
  • Customer support
    8
  • Overall satisfaction
    9.3

Pros

  • Nominal Size
  • Actual Size
  • Ideal for customers who need odor control but whose daily life demands high filtration
  • Nordic Pure MERV 12 is equivalent to MPR 1500-1900
  • Made in the USA

Cons

  • May smell a little unpleasant.
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10/18
Nordic Pure 20x20x5 MERV 12 Plus Carbon Honeywell/Lennox Replacement AC Furnace Air Filters 2 Pack

Nordic Pure 20x20x5 MERV 12 Plus Carbon Honeywell/Lennox Replacement AC Furnace Air Filters 2 Pack

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8.7
Based On 386 Reviews
  • Easy to use
    9.3
  • Value for money
    8.5
  • Customer support
    8
  • Overall satisfaction
    9.1

Pros

  • Nominal Size
  • Actual size is 19 7/8 x 19 8/16 x 4 3/8 (19.63 x 19.88 x 5)
  • Replaces Honeywell 20x20x4 with an MPR rating of 1500-1900
  • Nordic Pure MERV 12 is equivalent to MPR 1400-2100
  • Made in the USA

Cons

  • The filter may not be effective.
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11/18
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1200, Allergen Defense Odor Reduction, 2-Pack (exact dimensions 15.69 x 24.69 x 0.81)

Filtrete 16x25x1, AC Furnace Air Filter, MPR 1200, Allergen Defense Odor Reduction, 2-Pack (exact dimensions 15.69 x 24.69 x 0.81)

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8.2
Based On 386 Reviews
  • Easy to use
    8.6
  • Value for money
    7.9
  • Customer support
    8
  • Overall satisfaction
    8.4

Pros

  • 25 times more effective in odor removal than other national retail home air filters
  • Active Carbon Layer Act as Odor eliminator
  • Washable and non-electric 3-month pleated filter for your furnace, air conditioner or HVAC system
  • designed with extra Excl
  • Fits many models

Cons

  • It may not be compatible with this product.
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12/18
Nordic Pure 16x25x4 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 2 Pack

Nordic Pure 16x25x4 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 2 Pack

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8.2
Based On 386 Reviews
  • Easy to use
    8.6
  • Value for money
    7.9
  • Customer support
    8
  • Overall satisfaction
    8.4

Pros

  • nominal size is the actual size
  • fit your air filter for a proper fit
  • compare to our actual size
  • order the exact size you need and make sure it matches your existing filter

Cons

  • The filters may not be effective.
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13/18
Nordic Pure 20x20x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

Nordic Pure 20x20x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

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7.6
Based On 386 Reviews
  • Easy to use
    8.0
  • Value for money
    7.4
  • Customer support
    7
  • Overall satisfaction
    7.8

Pros

  • Nominal Size
  • Actual Size
  • Ideal for customers who not only need odor control but whose daily life demands high filtration
  • Nordic Pure MERV 12 is equivalent to MPR 1500-1900
  • Made in the USA

Cons

  • It may not be the best deal.
Read More
14/18
Nordic Pure 20x25x5 MERV 12 Pleated Plus Carbon Honeywell Replacement AC Furnace Air Filters 2 Pack

Nordic Pure 20x25x5 MERV 12 Pleated Plus Carbon Honeywell Replacement AC Furnace Air Filters 2 Pack

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7.4
Based On 386 Reviews
  • Easy to use
    7.8
  • Value for money
    7.2
  • Customer support
    7
  • Overall satisfaction
    7.6

Pros

  • Nominal Size
  • Actual Size
  • MPR rating
  • Exact fit for your air filter
  • Replaces Honeywell 20x25x4

Cons

  • Not suitable for large items.
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15/18
BestAir, 16

BestAir, 16" x 25" x 4" Air Cleaning Furnace Filter, MERV 11, Carbon Infused to Neutralize Odor, For Honeywell Models, 1 Count (Pack of 1)

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7.3
Based On 386 Reviews
  • Easy to use
    7.6
  • Value for money
    7.0
  • Customer support
    7
  • Overall satisfaction
    7.4

Pros

  • Fits Trion Air Bear Model 435790
  • fits Honeywell Model 203719
  • lasts up to 12 months
  • air filter type: electrostatic
  • 5.Absorbs extreme odors

Cons

  • May cause fire.
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16/18
Nordic Pure 16x25x5 MERV 12 Plus Carbon Honeywell AC Furnace Air Filters 2 Pack

Nordic Pure 16x25x5 MERV 12 Plus Carbon Honeywell AC Furnace Air Filters 2 Pack

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9.4
Based On 74 Reviews
  • Easy to use
    9.9
  • Value for money
    9.1
  • Customer support
    9
  • Overall satisfaction
    9.7

Pros

  • Nominal Size
  • Actual size is the correct size for your air filter
  • saves on cost of replacement filters
  • fits most models
  • replace Honeywell 16x25x4 with Nordic Pure MERV 12

Cons

  • It may not be powerful enough.
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17/18
Nordic Pure 14x20x2 MERV 14 Pleated Plus Carbon AC Furnace Air Filters 3 Pack

Nordic Pure 14x20x2 MERV 14 Pleated Plus Carbon AC Furnace Air Filters 3 Pack

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8.6
Based On 74 Reviews
  • Easy to use
    9.0
  • Value for money
    8.3
  • Customer support
    8
  • Overall satisfaction
    8.9

Pros

  • Nominal Size
  • Actual Size
  • Perfect for customers looking for superior filtration but needing an odor control element
  • Nordic Pure MERV 14 is equivalent to MPR 2800
  • Made in the USA

Cons

  • It may not work.
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18/18
Nordic Pure 16x20x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

Nordic Pure 16x20x1 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 6 Pack

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8.6
Based On 65 Reviews
  • Easy to use
    9.0
  • Value for money
    8.3
  • Customer support
    8
  • Overall satisfaction
    8.9

Pros

  • Nominal Size
  • Actual Size
  • Ideal for customers who not only need odor control but whose daily life demands high filtration
  • Nordic Pure MERV 12 is equivalent to MPR 1500-1900
  • Made in the USA

Cons

  • May not fit all models.
Read More

Comparison between Top 3 Products

Furnace Filters
Lennox X6675 MERV 16 Media Air Cleaner, 1 Count (Pack of 1)

Lennox X6675 MERV 16 Media Air Cleaner, 1 Count (Pack of 1)

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Filterbuy 20x20x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.5

Filterbuy 20x20x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 19.5

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Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5

Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5

Check Price Now
Ratings
7.7
Based On 3428 Reviews
7.3
Based On 13714 Reviews
8.6
Based On 13714 Reviews
Features
  • Easy to use
    8.2
  • Value for money
    7.5
  • Customer support
    7
  • Overall satisfaction
    8
  • Easy to use
    7.6
  • Value for money
    7.0
  • Customer support
    7
  • Overall satisfaction
    7.4
  • Easy to use
    9.0
  • Value for money
    8.3
  • Customer support
    8
  • Overall satisfaction
    8.9
Pros
  • MERV 16 filtration
  • Coconut activated and carbon coated fiber matrix
  • Odor removing
  • Whole home HC16 filtration system*
  • Safe and effective on all glossy paints and clear coats
  • 20x20x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • Captures 90% of airborne particles with no impact on air flow
  • Safe and effective for all types of homes
  • 16x25x1 Replacement Air Filters
  • MERV 8 (Odor Eliminator) synthetic media
  • High-quality construction
  • electrostatic charged, pleated design
  • Capturing 90% of airborne particles
Cons
  • Unit might not work well.
  • It may not work.
  • May cut corners.
Height19.75 Inches 0.75 Inches 0.75 Inches
Length24.75 Inches 19.50 Inches 15.50 Inches
Width4.38 Inches 19.50 Inches 24.50 Inches
Size1 Count (Pack of 1) 4 Count (Pack of 1) 4 Count (Pack of 1)
UnitCount1 4 4
Color- Black Black
Weight- 2.16 Pounds -

What to Look to have the Best Carbon Furnace Filters?

Carbon furnace filters are a necessary part of a furnace. You should make sure you are investing in a quality product that will protect your air quality. So, here are some tips on how to pick the best carbon furnace filters.

Durability

Your furnace filter needs to be able to withstand the elements. It has to be able to resist dust, dirt, particles, and other dangerous elements that will enter your home. The filters need to be tough enough to last for a long time before they need to be replaced.

Fast Filtering

The best filters will quickly get rid of particles that enter your home, and they will do it more efficiently than other products. It will take a little more effort to filter the air in a home with inferior filters, so you can expect the air quality to be less than optimal.

Efficiency

How efficient are the filters at filtering particles? Are they completely effective at getting rid of all the particles that enter your home? If you’re not sure about how effective they are, you should test one before you purchase it.

Replacement Frequency

How often do you want to replace the filter? The frequency will determine how often you will need to replace your filter. It is best not to use the same filter that is too old.

Conclusion

If you are using a carbon furnace filter, it is important to make sure that thefilter is replaced every 4 years. A dirty or faulty filter can cause significant problems for your furnace and may even require replacement of the entire heating system.

Editor's Note

In this research, we've found many Carbon Furnace Filters products and selected the top 18 among them. Our authorized system has analyzed 39017 reviews with the help of our sophisticated software. Among the product, we've chosen the Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement with Activated Carbon (Actual Size: 15.5 as the best of all Carbon Furnace Filters products.

We've found top brands including Filterbuy, Lennox, HOMEQUIP, Nordic Pure, Filtrete and more. The average rating is 8.31 out of 10.

Authors

Thomas Thomas
Thomas Thomas— Author

Thomas has been working in the building supplies industry for over 10 years, and has experience in a variety of areas, including purchasing, manufacturing, and marketing. He has astrong understanding of the needs and demands of the industry, and has a keen eye for detail. Thomas has a proven track record of success and is highly considered within his field. Thomas is a committed and hardworking individual who takes pride in his work. He is knowledgeable and experienced in all aspects of the building supplies industry, and is a valuable asset to any company. Thomas is a team player who is always willing to go the extra mile, and his knowledge and experience make him an excellent resource. If you are looking for a reliable, experienced supplier in the building supplies industry, look no further than Thomas. He is a qualified, experienced professional with a proven track record of success. Contact Thomas today to learn more about his services.