Top 15 Best Furnace Filters (2023)

Using a furnace to heat your room is definitely a cool thing to do. Not only does it supply the heat energy you badly need but also saves much of your time and money.

Nonetheless, it comes at some cost. It has the potential to suffocate chiefly by way of generating excessive levels of smoke. This is where the furnace filter comes in.

It is basically an accessory that cleans out the air that emanates from the furnace and circulates through the house. That way, it keeps you safer and healthier.

Finding the right one is definitely a critical step. Find reviewed and explained below the best furnace filters at the moment.

Filtrete 16x25x1 Air Filter MPR 1200D MERV 11,...
  • Holds as much dust as 50 dusting wipes** (**Dry dusting wipes in normal use conditions)

15 Best Furnace Filters

#1: Filtrete 16x25x1 AC Furnace Air Filter

Filtrete 16x25x1

Want to regulate the temperature of the heat output? You have this furnace for your takin and consideration. Other than cleansing the air, this one also regulates the degree of hotness of the heat output.


With this filter, it is possible for you to attract and cleanse out all particles regardless of their sizes and stature. The viruses, bacteria, smoke, pet dander, and pollen are top examples of these issues.

Exclusive Filtrate Brand 3-in-1 Technology

It does have the 3-in-1 technology that traps all the unwanted particles from the air. While at it, the filters allow only the cleaner air to pass through it, thus cleansing your environment to a considerable extent.

Uniquely Design

As part of the makeup of this filter, it does comprise a unique design indeed. In particular, the filter comprises some electrostatic charges that attract and trap excessive levels of particles from the air.

  • It is a breeze to control the quality of the output

  • Cleanses the indoor air with each cycle of air

  • Outperforms the fiberglass and other filters

  • Attracts and captures larger dust and mite particles

  • Performs well indeed with regards to filtering particles

  • For residential use only

  • Slightly noisy to operate

  • Limited use and applicability

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#2: Aprilaire 213 Replacement Air Filter for Aprilaire Whole-Home Air Purifiers

Aprilaire 213

Intending to impact and purify the air in your entire room? We suggest that you lay your hands on this specific furnace filter. So strong and powerful it is that it can impact an entire room effectively.

Patented Aprilaire Self-seal Technology

The patented Aprilaire Self-seal technology stands tall among the many goodies that the purifier has to offer. This technology diminishes the levels of impurities in the air to deliver superior protection to your home.

Pretty Effective

On the whole, this purifier is pretty effective in eliminating airborne contaminants that have the potential to comprise the quality of the indoor air in your heating ventilation and air conditioning systems.

Pure Fit Promise

It enjoys the ‘Pure Fit Promise’ backing. Thanks to this backing, you stand to enjoy unparalleled customer service and warranty. These two combine to deliver the peace of mind you need to enjoy full benefits.

  • Traps the common allergens from the air

  • Enjoys an excellent customer service backing

  • Easier to install

  • Manages optimal performances

  • Keeps you in an absolute state of comfort

  • Consumes higher levels of utility

  • Costs a lot more to stay operational

  • Unsuitable for condominiums and apartments

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#3: FilterBuy AFB Silver MERV 8 20x20x1 Pleated AC Furnace Air Filter

FilterBuy AFB Silver

For your maximum convenience, you badly need a furnace filter that has the ability to eliminate many toxins and allergens at any given time. Choose this one as it eliminates mold spores, pollen, dust mites, and dust well.

Advanced Filter

When compared to the other competing appliances, the filters of this one are advanced. Owing to this advancement, the filters are capable of impacting and capturing extra allergens and dust mites.

Strong Frames

Its makeup is pretty strong and resilient. This stems from the fact that they are made of the beverage board that remains strong and resilient under all temperature and humidity levels that are higher.

Factory-direct Filters

Other than being advanced, the filters are also factory direct. On account of this, they are richer in quality and subsequently last longer. In this way, they give your business and home the air quality you need to stay comfortable.

  • Makes you breathe much better

  • Traps more air particles at a time

  • Impacts whole households with absolute ease

  • Consumes moderate levels of electrical energy

  • Operates rather quietly

  • Lasts only three months

  • Unsuitable for hallways or larger rooms

  • Slightly complicated to comprehend

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#4: Honeywell FC100A1037 Ultra Efficiency Air Cleaning Filter

Honeywell FC100A1037

Tired of the risks of suffocation and poor air quality? Get hold of this filter and be sure of a better breathing environment. It has the power to eliminate all dust, pet dander, and tobacco.

Ultra-efficient Air Cleaning Filter

All factors considered, the filter of this appliance is ultra-effective insofar as eliminating toxins from the air is concerned. Specifically, it steers clear of the higher noise levels that characterize such operations.

Variable Efficiency Range

With this filter, it is possible for you to operate in many environments and circumstances. It does manage three levels of efficiencies i.e. the E1, E2, and E3. These handle sizes of 0.1 to 10 microns.

Effective Replacement Media Air Cleaner

Its filters are rated the impressive MERV 11. On account of this rating, the filter is able to manage finer filtration outcomes that are devoid of the excessively toxic particles that can harm the lungs.

  • Captures a huge percentage of the household air particles

  • Strong enough to last you longer and further

  • Up to 60X more efficient than your fiberglass filter

  • Fits many models for ease of operations

  • Exceeds many underlying specifications

  • Requires larger space to mount

  • May not allow for smooth movements

  • Its energy consumption is too high

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#5: Nordic Pure 16x25x1 MERV 12 Pleated AC Furnace Air Filter

Nordic Pure 16x25x1

Does your room experience too high levels of intoxication? If so, an effective filter of this kind is all you need. With the higher MERV ratings, no other filter stands to assure you the finer filtration outcomes like this one.

Customized Filtration

Unlike your typical furnace filter, this one lets you determine the levels of filtration you are desirous of. You may shuffle between MERVs 7 through to 15. This way, you get to enjoy unparalleled comfort all along.


It is also hypoallergenic in the sense that it traps and eliminates all allergies and dust particles from the environment. Thus, it spares you from the respiratory disorders that generally come along with these issues.

Recycled Frame

Only recycled materials have been used to make the filter up. In this light, the appliance is friendlier to your environment not to mention being reliable to make good use of. This also translates to added savings on your part.

  • Combats indoor allergens

  • Leaves behind a clean airborne interior

  • Compact enough to fit smaller spaces

  • Does not fidget unnecessarily when handled

  • Its energy efficiency is highly rated

  • Gets too clogged a bit too soon

  • Requires wholesome repairs and operations

  • Tends to overheat when used for too long

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#6: AIRx ALLERGY 20x25x1 MERV 11 Pleated Air Filter

AIRx ALLERGY 20x25x1

Wishing to tackle plenty of dust particles in the air? The filter you use has to comprise more pleats as that is the only way you will be able to accrue reduced energy costs and a better flow of air.

MERV 11 Rating

Its MERV rating is the most outstanding aspect of the filter altogether. Thanks to this rating, the appliance is capable of eliminating almost all the particles that are present in the air of your room.

AiRx Allergy AC Filters

Other than cleaning your air, this filter also eliminates allergens that may be present in the atmosphere. Thus it provides an added layer of protection to you and the occupants of your house.

Excellent Performance

On the whole, the filter performs above-average when compared to many of its counterparts. It is indeed stronger and more effective than the fiberglass filters. Then it is also washable and reusable.

  • Traps all kinds of dirt and allergens

  • Comprises many pleats that conserve energy

  • Impacts an entire house with absolute ease

  • Reduces the levels of molds and other particles in the home

  • Suffers limited energy wastes than most filters

  • Requires constant replacements of parts

  • Prone to heating and friction than other appliances

  • Its motor is not strong enough to guarantee long-term applications

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#7: X6673 Lennox 20x25x5 Merv 11 Filter Media 2 Pack

X6673 Lennox 20x25x5

To be guaranteed the best ever support for long-term applications, you definitely want to work with a company that is reputable. No other brand is better placed for this role than this specific filter.

Synthetic Media

The media is synthetic in nature owing to the use of only artificial materials to make it up. Its makeup also sees to it that it provides a larger area that leverages its capacity to hold the dirt and resist air.

Appropriately Certified

It meets and even exceeds the prevailing Underwriter’s Laboratory standards 900. On account of this, the appliance is able to stand tall to all the whims of potential damages and other issues that compromise its stature.

Disposal Makeup

Besides its synthetic makeup, this appliance is also disposable. It does comprise the healthy climate media that are electrostatically charged and disposable. In light of this, the appliance is highly unlikely to pose any serious threats to your environment.

  • Manufactured by a reputable brand

  • Captures all contaminants to 0.3 microns

  • Comes in a compact and space-saving design

  • Comprises two filters in one comprehensive packaging

  • Yields higher returns on the amount invested

  • In need of constant replacements

  • Does cost a lot to maintain in check

  • Unable to pair and communicate with other gadgets

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#8: Aerostar 16x25x1 MERV 11 Pleated Air Filter

Aerostar 16x25x1 MERV

Frequent applications definitely inflict higher levels of utility bills and consumption. Relying on your normal filter might not be a good thing to do. Instead, you want this one that boasts of the highest energy efficiency rating.

Superior Filtration Efficiency

It does have a superior filtration efficiency indeed. The mechanisms comprise the electrostatically charged synthetic materials. These sieve out unwanted debris without the predisposition to fail too soon!


The filter is able to handle the purification of air and the combating of allergens. Thus, it sucks out all the unwanted dirt like the dust, pet dander, mold spores, lint, and pollen, to name but a few!

100% Synthetic Electrostatic Media

Its filtration mechanism proper is wholly synthetic in character. Other than being pretty reliable at combating air impurities, the media also suffers limited spates of airflow resistance to remain resilient.

  • Delivers truly clean interior air quality

  • Frees your interior of any allergens

  • Serves residential, commercial and industrial applications

  • Simple and cost-effective to operationalize

  • Lasts longer than many filters of its kind

  • Requires frequent changes of the filters

  • Too noisy and uncomfortable to engage

  • Too clumsy to fit any furnace taken randomly

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#9: MervFilters 12x12x1 Air Filter

MervFilters 12x12x1

A universally compatible filter of this kind is a ‘must-have’ for the benefit of maximum peace of mind. This item fits and works well with any brand of the furnace on the market at the moment.

Premium Construction

In all, the filter features premium construction. This stems mainly from the use of wholly American components to make it up. On account of this, it lasts longer and manages many incidences of use.

Electrostatically-charged Synthetic Fibers

Its fibers are unlike any others that the markets have to offer. They are electrostatically charged for added performance. This is besides their synthetic fiber makeup that attracts larger particles without absorbing moisture.

Advanced Pleated Technology

Lastly, the filtration mechanism is heavily pleated heavily to add some strength and vitality to it. They jointly deliver extended surface area that further adds to the efficiency of the unit altogether.

  • Truly rich in quality and construction

  • Stands tall in the most rigid conditions

  • Withstands the damages from the smallest particles

  • Does not corrode easily when bombarded with the harshest chemicals

  • Avoids absorbing excess moisture

  • Slightly complicated to handle

  • Quite treacherous to comprehend and engage

  • Likely to cause accidents and shocks

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#10: WEN 90243-027-2 5-Micron Outer Air Filters

WEN 90243-027-2

This is a filter for your choice if you are always on the move? Why you may ask? The appliance is compatible with many of the air filtration systems at the moment. It is hence less likely to let you down.

Remote Controls

The appliance has the added advantage of being controlled remotely. This arrangement is obviously awesome as it allows for use and engagement from wherever you might find yourself in at any time.

WEN 5-Micron Outer Air Filters

Its quality is also impeccable mostly owing to the use of the WEN 5-Micron Outer Air Filters. With these accessories, you may rest assured that the appliance shall filter out all impurities from the air without leaving any behind.

Extremely Powerful

Finally, the power output is also not left out as it is truly awesome as well. Thanks to the awesome power output, the filter can handle all kinds of debris and trash without faltering as is the norm with others.

  • Eliminates particles that are as small as 5 microns

  • Combats all respiratory pathogens

  • Cuts down the health risks that may arise in a room

  • Reduces the costs of health and wellbeing

  • Improve the visibility of your workspace as well

  • Prolonged use is likely to break it down

  • Calls for too much attention on your part

  • Costly to maintain in the right stature

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#11: Flanders NaturalAire Odor Eliminator Air Filter with Baking Soda

Flanders NaturalAire

Searching for a filter to use in your workshop? It is important that the one you choose to be comprehensive in scope and functionality. Choose this one. It controls, absorbs, and eliminates offensive odors.


Its pleats are shaped in the form of letter ‘V.’ Owing to this wonderful shape, the filter provides a larger media surface area that in turn allows for the effective filtration of all unwanted dirt and impurities.

MERV 8 Rating

The filter is rated 8, meaning that it performs above average. Pick and make use of it to handle all of your interior house cleaning chores. This, in fact, is the one that makes it capable of handling the allergens stated above.

Clay-coated Filter Frame

The frame bears the clay coating. This coating makes the frame stronger and more reliable in the long run. This also reduces the possibilities of breakdowns and the associated higher repair costs that follow.

  • Maintains its efficacy for a duration of 90 days

  • Compatible with many other systems

  • Traps and neutralizes household dirt

  • Gets rid of the unpleasant odor as well

  • Offers adequate protection from respiratory illnesses

  • Quite bulky to carry around

  • Too clumsy to fit any available space

  • Incompatible with many filters and likeminded appliances

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#12: Trion Air Bear 255649-102 Replacement Filter – 20x25x5, Three per Box

Trion Air Bear 255649-102

You can never afford to waste too much of your time when impacting larger hallways and rooms. To be assured that feat, you want to lay your hands on a filter that operates faster, like this one here.

Faster Airflow Rating

The filter manages to discharge the flow of air at a rate that is faster than usual. This stands at 2,000 cubic feet per minute. With this awesome arrangement, you may be sure to enjoy unprecedented outcomes.

Air Bear filters

Its filters proper are bearish. On account of this makeup, they are able to capture and hold pollutants for quite some time before disposing of the same. After they are through, they dump the dirt conveniently.

Higher Dirt-holding Capacity

Its dirt-holding capacity, when weighed against that of its competitors, is higher than average. For this reason, it operates for durations that are longer than many of the filters you would settle for.

  • Filters dirt of varying sizes and shades

  • Achieves finer filtration outcomes

  • Manages peak efficiency and filtration

  • Lower energy efficiency rating

  • Works harder than many other filters

  • Unsuitable for use at home

  • Likely to interfere with the room occupants

  • Interferes with the airflow

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#13: Arm & Hammer Max Allergen & Odor Reduction 20x25x1 Air and Furnace Filter

Arm & Hammer

Other than unwanted impurities, the typical indoor space suffers from allergens and foul stench. It is important for you to save yourself a bit of time and effort by choosing multipurpose equipment of this kind.

Built-in Carbon Granules

Some Carbon granules are embedded in the system. These ones absorb the foul odors that are typically present in the room altogether. They do have a pretty large capacity to manage this feat.


As hinted earlier, the filters are multipurpose in the sense that it can handle both odor and allergens at the same time. This combines with the long-lasting character that lets it operate smoothly for a period of 3 months.

Maximum Efficiency

Its efficacy, when weighed against those of the many filters is pretty high. As a matter of fact, it is capable of operating at a level of 60-65% higher than those of the many alternatives that exist at the moment.

  • Maintains its cleanliness and stature for an extended amount of time

  • Keeps your energy bills and expenses low enough

  • Reduces maximum levels of odor possible

  • Filters out allergens to keep your air safer to breathe

  • Its effects last up to 90 days

  • Demands frequent and regular changing of the filters

  • May cost too much when devoted to commercial purposes

  • Its speeds are too low to deliver prompt outcomes

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#14: BetterVent Replacement Polyester Filters, 6 pack


As part of your preparing for a prolonged cold season, you definitely need to arm yourself with many filters. This is a good one to consider leveraging as it comprises six filters that have the ability to take you longer.

Double Filter System

Its filtration mechanism comprises two filters. These ones capture every bit of dirt, dust, and lint. Thanks to this makeup, you will be able to enjoy healthier indoor and outdoor habitability and overall wellbeing.

Safety Vent Flap

A safety vent flap does exist. Its role is to keep reminding you of the need to cleanse your filter and rid it of any impurities. This prevents the dirt from piling up and possibly clogging your systems unnecessarily.

Six Filters

We have already hinted that the package comes about with some six filters. These filters are color-coded to allow for easier identification and subsequent utilization.

  • Made a reputable and reliable firm

  • Quite authentic for indoor applications

  • Relatively simpler to clean and maintain

  • Traps the finer dust and lint particles

  • Eliminates the need for messy cleanups

  • Clutters your room and workshop

  • Suffers pilferage and losses arbitrarily

  • Calls for too much attention on your part

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#15: True Blue Allergen 14x30x1 Air Filter

True Blue Allergen 14x30x1

Many filters fall short of the ability to eliminate finer particles from the air. You nonetheless have a good companion in this one. It does have the ability to get rid of the extremely small particles to leave your air completely breathable.

100% Synthetic Filter Media

In its entirety, this media is synthetic in makeup and structure. It is hence better placed to stifle the growth of fungi, mold, and bacteria. As such, it suits normal everyday applications appropriately.

True Blue Allergen Air Filter

It is no secret that the True Blue Allergen air filter is good enough for whole families as it combats allergies in both pets and persons. You have it for taking if you have the needs of many people to meet.

Performance Allergen-reduction Filter

On the whole, this item is a performance allergen-reduction filter. It does perform better than many others that exist chiefly due to its strength, durability, and the ability to perform well in many places.

  • 53 times more effective than fiberglass filters

  • Lasts for around 4 months when engaged

  • Stands shocks and other elements of damage easily

  • Handles many kinds of allergens

  • Brings about higher returns on investments

  • Inflicts higher levels of utility bills

  • Incompatible with many of the accessories available

  • Requires extensive cleanup to maintain in the best shape

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Frequently Asked Questions (FAQs)

Do more expensive air filters work better?

Not necessarily! More expensive filters are generally higher in quality. However, this rule might never hold for all filters out there. That is why you have to care for the qualitative aspects of the filters over and above the costs.

Do higher MERV filters restrict airflow?

In the short run, NO. In the long run, YES! As these filters attract both small and large particles, they are more likely to suffer the consequences of clogging much faster than their lowly-rated counterparts. In the long run, the clogging restricts the flow of air.

Are electrostatic air filters better?

NOT really! They are generally good at capturing and filtering out larger particles. However, they tend to fall short of the finer particles and allergens. For this reason, they are really not better than your ordinary filters.

Which way does the furnace filter go?

The arrow that signifies the furnace filter usually points to the direction opposite that of the return duct but towards the furnace itself.

Do better furnace filters make a difference?

YES, they do! They demand limited changing of the filters themselves. To add to that, they also tend to be smaller and more likely to fit many of the furnaces that are in existence at the moment. This is not to mention limited damages to the motor.

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Last update on 2023-09-30 / Affiliate links / Images from Amazon Product Advertising API

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