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Best Allergy Furnace Filter For a Cleaner Home

A lot of us install a premium range air conditioning unit in our houses that result in very expensive monthly utility bills. However, we often disregard the importance of a proper filter on such systems, arguably one of its most important factors.

Without the right filter, you won’t get the best performance from the system, nor will it offer a hygienic and safe output. To avoid that, you need to install an allergy furnace filter on your system. Here are some important things to know about an allergy furnace filter.

  • Material: The material used for the allergy furnace filter is very important to check as the effectiveness of the filter as well as its performance is heavily affected by it. Many manufacturers use materials like paper, fabric, or specially Charged Synthetic Pleated Media to increase the filter’s performance. So if you want the best performance, you should prefer an option made up of such materials.
  • MERV Rating: MERV stands for minimum efficiency reporting value which is basically a unit to measure the ability of the filter to remove allergenic contaminants from the air. As the MERV rating goes up, you can assume that the filter is going to be more effective and efficient. However, you may not always need the most efficient option since the requirement varies based on the overall quality of the air around you. Still, it is better to go with a filter that has a MERV rating of 8 or higher.
  • Compatible Devices: Before you choose an allergy furnace filter, you need to carefully think about your application and make a choice based on that. Even though these are highly versatile options that you can usually pair with many different systems, almost all options mention a list of suitable appliances. So if the system you are using is listed with the filter, you don’t have to worry about the compatibility of the filter. It is also better to double-check the model number of the filter to make the right choice.

 An allergy furnace filter is something that a lot of people do not replace for a long time. As a result, the air conditioning systems fail to deliver a pure and hygienic output. Suppose you are looking forward to replacing the allergy furnace filter in your HVAC system or air conditioner. In that case, you should definitely look at the selection of options we have for you today. These are the best allergy furnace filters that you can possibly find on the market right now. And right after that, we will be including a “Buying Guide” for the best allergy furnace filter so that you can choose the perfect option without any problem.

Best Allergy Furnace Filter Chart

Best Allergy Furnace Filter Reviews

1. Filtrete Allergy Furnace Filter

Filtrete Allergy Furnace FilterFiltrete is one of the top brands on the market that sell a variety of filters and other accessories that you need with air conditioning systems. Apart from basic options, you will also find smart air filters made by Filtrete.

The Filtrete Healthy Living Ultra Allergen Filter set is our 1st choice for this list of the best allergy furnace filters since it is the most popular choice we have come across for this list today. This filter set includes 2 units of standard 16 x 25 inches filters with a MERV rating of 12 and an MPR rating of 1500. These specifications make the filters one of the best options in terms of performance and purity. And if you need more units, you can also find up to 6 units packs from Filtrete. They are also offering various different sizes for the filters for better compatibility.

Coming to the material of the filter, these filters are made up of an electrostatically charged filter media which easily outperforms basic fiberglass options by a huge margin. And the 3-in-1 technology from 3M allows the filter to easily trap most unwanted particles. Once installed, you won’t need to replace this filter for at least 90 days in general conditions. You also get a dedicated smartphone application support to notify you whenever a replacement is necessary.

 Best Features

  • It is made up of electrostatically charged filter media
  • It has a MERV rating of 12
  • Suitable for furnaces
  • The MPR rating is 1500


  • The most popular choice today for an allergy furnace filter
  • Standard dimensions for better compatibility
  • Multiple options are available for different sizes and filter counts


  • Only 2 filters are included in this set

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2. Airx Allergy Furnace Filter

Airx  Allergy Furnace FilterThere are a lot of brands that only offer premium alternatives for replacement accessories such as filters. One such brand is AIRx filters and there are a lot of good choices designed by this brand.

In the 2nd position, we have the AIRx ALLERGY Pleated Air Filter. This is one of the larger filter sets on our list which are designs for long-term use. This set includes 6 filters, all of which offer the standard 16 x 25 inches size. The MERV rating for these filters ranges up to 11, making them ideal for domestic installations. With that, these filters are capable of trapping 1 to 10 micron allergens without any problem. This range includes many harmful air content such as lint, dust, pollen, spores, etc.

This is one of the high-quality options that you will come across today since it also includes a moisture-resistant double-wall beverage board. Just like most other options, these filters are also made up of electrostatically charged 100% synthetic material which performs ideally in a temperature range of 180 to 225 degree Fahrenheit. You can easily compare these filters with standard options on the market with MPR rating of 1000, 1085, or even 1200.

 Best Features

  • It is made up of paper
  • It has a MERV rating of 11
  • Suitable for furnaces
  • Traps 1 to 10 microns allergens


  • One of the premium yet popular choices on the market
  • Made up of 100% synthetic material
  • Works in temperature range of 180 to 225 degree Fahrenheit


  • Other options are a bit more affordable

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3. Filterbuy Allergy Furnace Filter

Filterbuy Allergy Furnace FilterApart from the premium alternatives, there are also a lot of affordable options that are also fairly popular due to their high quality features. Filterbuy is also one such brand which makes it possible to get a decent filter set in an affordable price range.

The Filterbuy Dust Defense AC Furnace Air Filters set is our 3rd pick for this list of the best allergy furnace filters. This is the cheapest option you will come across today and it certainly is one of the most popular options considering its specifications. This is a set of 4 filters, each offering a MERV rating of 8 which is what you need for domestic applications if the surrounding air quality is already good. And as for the MPR rating, you can compare these filters with industry-standard options having an MPR rating of about 600.

The Filterbuy Dust Defense filters are also made up of a synthetic material that will easily protect your home from dust, pollens, and other harmful content by trapping nearly 90% of these allergens and passing only pure and hygienic air through the filter. It also brings the advantage of electrostatically charged pleated design which makes the overall lifespan of the filter nearly 300% longer than comparable options.

 Best Features

  • It is made up of synthetic material
  • It has a MERV rating of 8
  • Suitable for Air Conditioner, Heat Pump, Air Cleaner, HVAC System, Furnace
  • Nearly 3 times longer lifespan


  • Comparable with standard options having MPR rating of 600
  • High quality design and construction
  • Industry-grade beverage board frame


  • Not the best option if there are a lot allergens in the surrounding air

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4. Aprilaire Allergy Furnace Filter

Aprilaire Allergy Furnace Filter Aprilaire is also a pretty popular brand for replacement accessories designed for a lot of popular systems including HVAC and air conditioning units. Apart from filters, Aprilaire also designs Radon test kits, water panels, and dehumidifier accessories.

The Aprilaire 313 Replacement Furnace Air Filter is the most premium option that you will come across today on our list of the best allergy furnace filters. This is a single replacement unit for a replacement air filter that goes with the Aprilaire whole home air purifiers. Since it is designed for a larger system, you can expect the filter to last much longer than other basic alternatives. This replacement air filter is compatible with 1310, 2310, 3310, and 4300 air purifier models.

This filter can easily trap allergens circulating in your home and remove almost all types of airborne particles with great effectiveness. The MERV rating of the filter ranges up to 13 which is the highest you can find on this list today. And with the exclusive seal-seal technology of the filter, it also minimizes the air passthrough that can potentially escape without filtering. It also has a unique Aprilaire interlock rail system which makes the performance even better.

 Best Features

  • It is made up of synthetic media
  • It has a MERV rating of 13
  • Suitable for furnaces
  • Designed for whole air purifier models


  • Works with 310, 2310, 3310, and 4300 air purifier models
  • It has a very high MERV rating
  • Very easy to install


  • Specifically designed for Aprilaire purifier models

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5. Nordic Pure Allergy Furnace Filter

Nordic Pure Allergy Furnace FilterSince we are discussing premium choices for an allergy furnace filter replacement option, let us take a look at yet another premium choice on our list from Nordic. This is also one of the options that works best with Honeywell air purifiers.

The Nordic Honeywell Replacement AC Furnace Air Filters is yet another premium choice on our picks today that will guarantee a safe and pure air circulation in your house. This is a pack of 2 air filters that measure about 20 x 25 inches in size. But unlike most other options, these filters are about 5 inches thick, making their lifespan much longer than other choices. As the size of these filters is different from the standard options, make sure you double check the size before you put down your order.

Coming to the filtration quality of the unit, the Nordic Replacement air filters have a MERV rating of 12 and comparable MPR rating of about 1500 to 1900. You will also get a better protection level with these filters as they are made up of electrostatically charged synthetic pleated media which is something you will mostly notice on premium models. And since these are long-lasting filters, Nordic recommends replacing these filters once every 3 to 6 months, depending on the surrounding air quality.

 Best Features

  • It is made up of electrostatically charged filter media
  • It has a MERV rating of 12
  • Suitable for furnaces
  • The MPR rating is comparable to 1500 to 1900


  • One set is good enough for over a year of application
  • Comparatively larger and thicker air filters
  • Made up of electrostatically charged media


  • Compatibility is rather limited

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6. BNX Allergy Furnace Filter

BNX Allergy Furnace FilterComing back to budget options for an allergy furnace filter set, we have a decent choice coming from a brand called BNX. Unlike most other brands, BNX is only a major supplier of air filter replacement units.

The BNX HVAC AC Furnace Filters Set is yet another budget choice from our list of the best allergy furnace filters that will be applicable for over a year without any problem. It is possible since the set includes 4 filters, bringing down the effective cost per unit replacement filter. These filters are designed to remove various harmful content from the air such as pollen, mold, bacteria, smoke, and other allergens that are hard to detect. It has a MERV rating of 13, making it one of the best options we have listed today in terms of performance.

 And as for the MPR rating, these filters can be compared with industry standard choices having an MPR rating between 1500 to 1900 MPR and 10 FPR rating. These filters are made up of 100% synthetic material which is quite superior to the fiberglass alternatives. With that, these filters capture nearly 98% of all impurities in the air and supply only fresh air. There are many alternative options present from BNX for size variations so that you can find the perfect option for your purification system.

 Best Features

  • It is made up of Electrostatically Charged Non-woven Polypropylene
  • It has a MERV rating of 13
  • Suitable for Air Conditioner, Furnace
  • Many size variants are available


  • It is offerings very high MERV rating
  • Comparable to filters having an MPR rating of 1500 to 1900
  • Widely compatible with various air purification systems


  • More filter should have been included in the set

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7. Aerostar Allergy Furnace Filter

Aerostar Allergy Furnace FilterIf you have been using an HVAC or central air conditioning system for your home for quite some time now, you must be tired of looking for filter replacement every other month or so. To avoid that, you can choose this set of replacement filters from Aerostar and set yourself up for the next few years.

The Aerostar Pleated Air Filter Replacement Set is the largest option on this list and suitable for years of application and replacements. This is a set of 12 replacement air filters. So even if you consider up to 3 months of replacement period for each filter, this set will be good enough for at least 3 years. As for the size, each of the filters included on this set are about 16 x 25 inches in size, which is compatible with many popular systems on the market. And in terms of quality, you are getting an MERV rating of 13 on this filter with an MPR rating comparable to 1500-1900.

With such high specifications, these filters can easily trap microscopic particles from the filter and make the device suitable for almost all types of applications. The filters are made up of 100% synthetic media to make the performance highly efficient and minimize the resistance to air flow. As for the installation, you simply need to unpack the filters and install them in the slot by simply sliding it in place, and you are good to go.

 Best Features

  • It is made up of pleated material
  • It has a MERV rating of 13
  • Suitable for furnaces
  • The MPR rating is comparable to 1500-1900


  • Works for 60 to 90 days without needing a replacement
  • One of the most efficiency options on this list
  • Largest pack of allergy furnace replacement filters


  • Filters have comparatively lower thickness

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8. AllergyZone Allergy Furnace Filter

AllergyZone Allergy Furnace FilterIn the end, we are bringing yet another premium choice on our list for the best allergy furnace filter from AllergyZone. This is also a brand that only designs air purifier filters and humidifier accessories.

Finishing up our picks for the best allergy furnace filters, we have the AllergyZone Furnace Filter replacement set. This is also a set of 4 filters with a higher MER rating of 12 that ensures an efficient performance without any noticeable problems. However, these are 14 x 25 inches filters, making them slightly smaller than the market standard 16 x 25 inches options, so keep that in mind.

 But apart from that, these are still highly efficient disposable filters designed for indoor applications that you can use with an air cleaner or the furnace of your HVAC system. These filters have also performed very well during the clinical trials, further ensuring their safety and reliability for you and your family. Just a single set of the AllergyZone Furnace Filter replacement set can easily convert your home’s heating or air conditioning system into a whole house cleaner.

 Best Features

  • It is made up of plastic material
  • It has a MERV rating of 12
  • Suitable for Air Cleaner, Furnace
  • Improves overall indoor air quality


  • 4 different options are available for size variations
  • Highly-efficient indoor disposable air filters
  • Recommended by leading allergy & asthma physicians


  • Size may not be compatible with standard systems

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Buying Guide For The Best Allergy Furnace Filter

These are special types of filters that can be installed on almost any air conditioning system. Apart from that, you can also use these filters with central HVAC systems and furnaces. These filters can effectively remove allergens from the air such as pollens, dust, and organic material that can cause discomfort and nausea. And to make it possible, these filters often offer multiple filtration layers so that no particles can escape through it.

Here, you will find the best allergy furnace filters on the market along with a detailed review of each option. But in order to choose the right unit for your system, you need to know some important qualities of the filter and how it can affect the performance. And for that, we are bringing this helpful buying guide for the best allergy furnace filter.

1. MERV Rating

The MERV rating is the most important factor for an allergy furnace filter. It basically tells you about the overall capability of the filter to remove the contaminants from the air and as you can expect, this is the most important quality of an allergy furnace filter. The MERV or minimum efficiency reporting value of an allergy furnace filter. Usually, the MERV rating for an allergy furnace filter ranges between 0 to 16, 16 being the highest rating provided to the most efficient options.

For standard domestic applications, an allergy furnace filter should have a MERV rating of at least 8. Anything below that would be a bad choice as it can allow some harmful allergens through the air ducts. But, it also does not mean that you need the filter with the highest MERV rating. If the air quality around your home is already pretty good, even a filter with 10 to 13 rating would be good.

2. Filter Material

The material used for the filter is also a factor that directly affects its filtration quality and overall compatibility with different applications. Different filters made up of different materials vary in terms of filtration quality due to variations in physical properties such as density of material and entrapment quality. A lot of popular options offer allergy furnace filters designed with HEPA filters for the most effective performance.

These filters are capable of trapping particles as small as 0.3 microns in size. This should make you safe from common allergens such as dust, pollen and animal dander. Some brands also offer electrostatic filters that use an electric charge to trap the harmful particles. As you can imagine, this is a much more effective technology which can further enhance the performance of your system.

3. Filter Size

Unlike other properties, the size of the allergy furnace filter would affect the compatibility of the unit with your system rather than its performance. If you wish to get the best performance, you need to make sure that the filter fits perfectly inside in its position and there are no gaps around the edges. Otherwise, the allergens can escape through the gap, defeating the purpose of the allergy furnace filter altogether.

On the other hand, if the filter is too large for installation, you can’t install it in your system without making some additional adjustments. Therefore, it is essential to check the size of the filter before you make a choice. You will find the exact size and dimensions of the filters mentioned alongside the product which should make your job much easier. You can also check the size of your existing filter if you are replacing it and get the one that perfectly matches its size to avoid any compatibility issues.

4. No. of Filters

Depending upon your usage and the surrounding air quality, you may need to replace the allergy furnace filter quite often. Therefore, you should buy these filters in a bulk. And since these filters can be stored for as long as you want, you don’t have to worry about any problems later on. But, you need to make sure that you are storing the filter in a safe and hygienic place to maintain its integrity.

To make it possible, almost all manufacturers ship these allergy furnace filters in a set. Depending upon the brand you are choosing, you will find options that include up to 6 filters in a single pack, some offering even more units. But, if you won’t be replacing the filters for months at a time, then it won’t be wise to store these many filters as you can always get new filters when needed.

Allergy Furnace Filter FAQs

1. How often should you replace your allergy furnace filter?

Ans: Almost every HVAC professional will suggest you replace the allergy furnace filter within 90 days or so to maintain hygienic performance of the system. But, it is certainly not a compulsion and you may need to change the filter much earlier based on its quality and the quality of the surrounding air. It also depends upon the thickness of the filter itself as thicker options are capable of collecting more dust and allergens over time.

2. Is it okay to wash and reuse the same filter?

Ans: Whether you can reuse a filter or not depends upon the type of filter you are using and whether the manufacturer recommends doing it or not. Almost all HEPA filters are designed to be replaced after a certain period of time since the filters cannot be cleaned once they are full of dust. However, there are a few options that you can wash and reuse, but it is a good practice to replace the filter for best results.

3. When should you replace your allergy furnace filter?

Ans: Upon visual inspection of the filter, once could easily determine if the filter needs a replacement or not. You will also notice severe loss of air quality once the filter has run its course, indicating the need for a replacement. Most manufacturers also mention a specific period after which you would have to replace the filter if you wish to keep the system in the best condition. Some premium options also have a special indicator that changes color when a replacement is needed.


There are many different types of filters designed for air conditioners and HVAc systems that perform various important tasks. The most basic options are simple dust and dirt filters which are capable of keeping the air clean. But to keep the air hygienic, you will need advanced filters such as allergy furnace filters. These are somewhat advanced filters that are capable of removing much smaller allergens from the air such as pollen and fungal spores. So, you should always keep the allergy furnace of your system clean and replace it on time to keep the performance at its best. And for that, you will find the best options for allergy furnace filters right here. You can also check out our buying guide for the best allergy furnace filters where we have discussed some of the most important qualities of an allergy furnace filter. But if you are still not sure which of these options is right for you, you can go with one of our top recommendations listed here.

  • If you are wondering whether you will find a set of allergy furnace filters at an affordable price range, don’t worry. The Filterbuy Allergy Furnace Filter set is going to be the right choice for you since it is the cheapest option on our picks today. Still, you will find 4 filters on this set, each measuring about 16 x 25 inches in size. It also has a MERV 8 rating which is the bare minimum for domestic installations. The high quality construction of the filter also introduces an electrostatically charged design which makes the filter life up to 3 times longer than standard models.

  • Since popular options are always a better choice for accessories such as filters, we will suggest going with the Filtrete Allergy Furnace Filter set if you want a reliable choice. This is a set of 2 filters which is preferred by tens of thousands of buyers and offers a satisfying performance. The filter has 16 x 25 standard measurements and you can find up to 6-pack options from Filtrete in case you want a long-term option. However, the MERV rating of the filter is 12 while the MPR rating is 1500. These ratings make the filters one of the most effective options we have listed today.

  • A lot of you might be looking for a long-term option that will cover you for years to come as long as filter replacements are concerned. If yes, then theAerostar Allergy Furnace Filter is going to be the ideal option for you. This is a pack of 12 filters, offering 12 units of 16 x 25 inches size. As for the performance of the filter, you can trust the filter as it has an MPR rating of 13. The filter is made up of 100% synthetic electrostatic media to make the performance more efficient.

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