The 19 best furnace filter brands
FilterBuy, Filtrete and Nordic Pure lead our ranking of 19 furnace filter brands. Compare what each brand makes, visit its official site, or shop it online.
Furnace Filter brands, ranked
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1
FilterBuy
Stocks many sizes of pleated MERV 8 filters, with thickness and MERV rating listed for each size.
Top products: Dust Defense MERV 8
Website: filterbuy.com |Brands like FilterBuy
Popularity 10.0/10
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2
Filtrete
MPR-rated flat panel and pleated furnace filters, sold in multipacks for common HVAC sizes.
Top products: MPR 300 HVAC Furnace Air Filter· Basic Pleated Furnace Replacement Pad
Website: filtrete.com |Brands like Filtrete
Popularity 7.1/10
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3
Nordic Pure
Custom-cut and standard pleated filters sold for North American furnaces, with MERV ratings listed for each size.
Website: nordicpure.com |Brands like Nordic Pure
Popularity 6.1/10
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4
Aerostar
US-made pleated filters using synthetic electrostatic media, sold in multipacks across MERV 6 to 13.
Top products: MERV 8 Pleated Air Filter
Website: aerostarairfilters.com |Brands like Aerostar
Popularity 3.1/10
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5
Flanders
Inexpensive nested fiberglass panel filters, MERV 1, mostly used as prefilters or in older systems.
Top products: Precisionaire Nested Glass
Popularity 2.4/10
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6
Glasfloss
Family-owned maker whose ZL pleated filters use MERV 10 media, sold as six-packs and cases.
Top products: ZL MERV 10 Pleated
Website: glasfloss.com |Brands like Glasfloss
Popularity 2.3/10
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7
Filters Fast
Sells pleated 2-inch MERV 8 furnace filters in six-packs, including large oversized sizes.
Top products: MERV 8 Pleated HVAC Furnace Air Filter
Website: filtersfast.com |Brands like Filters Fast
Popularity 2.2/10
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8
BestAir Pro
Air pollution is no joke, and especially today, customers are always on the lookout for the best air filters. BestAir Pro is a professional in providing the highest quality filters and parts for your HVAC appliances. The company guarantees to deliver the filters that minimize pressure drop and maximize particulate capture rate to extend the life of your HVAC equipment. BestAir Pro offers massive options to make the best selection made from new technology and offer premium quality. With an industry experience of over fifty years, you can rely on BestAir Pro to provide exceptional customer service throughout.
Website: bestairpro.com |Brands like BestAir Pro
Popularity 1.7/10
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9
Honeywell
Filters sold alongside its thermostats, so filter and controls come from one maker.
Website: honeywell.com |Brands like Honeywell
Popularity 1.6/10
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10
LENNOX
Its PureAir filters and air cleaners fit its own furnaces and air handlers, so match the model before buying.
Website: lennoxpros.com |Brands like LENNOX
Popularity 1.4/10
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11
Aprilaire
Whole-home media filters sized for its humidifiers and air cleaners, with MERV 11 options common.
Website: aprilaire.com |Brands like Aprilaire
Popularity 1.3/10
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12
AIRx Filters
Claims higher efficiency than standard pleated filters using advanced media technologies.
Website: airxfilters.com |Brands like AIRx Filters
Popularity 1.3/10
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13
Air Handler
ACT is committed to improving inside air quality by working with technical contractors, property maintenance, and HVAC professionals to guarantee that their clients have clean, safe, pleasant, and compatible air. Their dedication to detecting and resolving air quality issues distinguishes...
Popularity 1.2/10
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14
Trion
Industrial and commercial air cleaners and media filters, with a US maker history dating to 1947.
Website: trioniaq.com |Brands like Trion
Popularity 0.8/10
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15
Trane
Filtration is mostly sold as CleanEffects air cleaners through dealers rather than standard filters.
Website: trane.com |Brands like Trane
Popularity 0.7/10
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16
GeneralAire
Unlock pure and breathable air with products from General Aire Parts. They began their services in 1999, intending to provide air quality enhancing products to clients all across the globe. Performing factory diagnosis and rebuilding air cleaner power packs is...
Website: generalaireparts.com |Brands like GeneralAire
Popularity 0.6/10
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17
Rheem
Furnace filters sold with its heating and cooling equipment, mostly standard pleated sizes.
Website: rheem.com |Brands like Rheem
Popularity 0.5/10
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18
Accumulair
Accumulair filters come in over 200 different sizes, which suit the customers' every need. Accumulair Refillable MERV 13, APR 2250 Accumulair, Titanium, MERV 13, APR 225, Accumulair Diamond MERV 13, Accumulair Platinum, Accumulair Gold, Emerald Accumulair Carbon Odor Block, Accumulair...
Website: accumulair.com |Brands like Accumulair
Popularity 0.5/10
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19
Camfil
Starting in 1963, Camfil naturally expanded its creation of top-tier, harmless to the ecosystem air filtration items and administrations for the European market prior to turning into the main provider of clean air arrangements on the planet. The organization indicates...
Website: camfil.com |Brands like Camfil
Popularity 0.4/10
Official websites and social accounts
| Brand | Website | X / Twitter | YouTube | ||
|---|---|---|---|---|---|
| FilterBuy | filterbuy.com | /filterbuy | filterbuy | @filterbuy | Filterbuy |
| Filtrete | filtrete.com | – | – | – | – |
| Nordic Pure | nordicpure.com | – | – | – | – |
| Aerostar | aerostarairfilters.com | – | – | – | – |
| Glasfloss | glasfloss.com | /Glasfloss-Industries-196826716996758 | – | – | – |
| Filters Fast | filtersfast.com | /Filters-Fast | filtersfastllc | @FiltersFast | FiltersFast |
| BestAir Pro | bestairpro.com | – | – | – | – |
| Honeywell | honeywell.com | /Honeywell | honeywell | @honeywell | honeywell |
| LENNOX | lennoxpros.com | – | – | – | – |
Furnace Filters Buying Guide
Introduction
When it comes to maintaining a comfortable and healthy indoor environment, one of the most important factors is air quality. Your furnace plays a crucial role in air quality by distributing warm air throughout your home or office. However, without proper filtration, your furnace can also circulate dust, allergens, and other harmful particles.
The solution to this problem is a furnace filter. Furnace filters trap pollutants and debris, preventing them from being recirculated into the air. However, choosing the right furnace filter can be challenging, as there are many types and sizes to choose from. This guide will provide an overview of furnace filters and help you make an informed decision regarding which filter to purchase.
Types of Furnace Filters
There are several types of furnace filters available, each with its benefits and drawbacks. Here is a list of the most common furnace filters:
- Disposable Fiberglass Filters: These filters are the most basic type of filter and are the least expensive. However, they provide the lowest level of filtration, only trapping large particles such as dust and debris. They also need to be replaced frequently.
- Washable Electrostatic Filters: These filters use an electrostatic charge to attract and trap particles. They are more effective than disposable fiberglass filters but need to be washed regularly.
- Pleated Filters: These filters are made of densely packed paper or polyester fibers and trap smaller particles than fiberglass filters. They are more expensive than disposable fiberglass filters but need to be replaced less often.
- HEPA Filters: These filters are the most effective at trapping particles, including allergens and bacteria. They are also the most expensive and may require modifications to your furnace to ensure proper airflow.
- UV Filters: These filters use ultraviolet light to kill airborne bacteria, viruses, and other pollutants. They are typically used in combination with other furnace filters.
When choosing a furnace filter, consider your budget, the level of filtration you require, and the frequency at which you are willing to replace or maintain the filter.
Furnace Filter Sizes
Furnace filters come in different sizes, and it is essential to purchase the correct size for your furnace. A filter that is too small will allow debris to bypass the filter, while a filter that is too large will not fit in your furnace or restrict airflow.
To determine the correct filter size for your furnace, check the existing filter or consult your furnace manual. Filters are typically labeled with measurements of length, width, and depth in inches. Standard sizes include 16x25x1, 20x25x1, and 24x24x1. However, if your furnace is an unusual size, you may need to purchase a custom filter.
MERV Ratings
Another important factor to consider when purchasing a furnace filter is its MERV rating. MERV stands for Minimum Efficiency Reporting Value and is a standard used to rate the effectiveness of air filters. The higher the MERV rating, the more particles a filter can trap.
| MERV Rating | Particle Size | Typical Applications |
|---|---|---|
| 1-4 | Pollen, dust mites, sanding dust | Residential use |
| 5-8 | Mold spores, pet dander, automotive emissions | Residential use, light commercial use |
| 9-12 | Humidifier dust, lead dust, Legionella bacteria | Commercial and industrial use |
| 13-16 | Smoke, viruses, bacteria, odors | Hospitals, clean rooms, other sensitive environments |
| 17-20 | Ultrafine particles such as those found in nuclear power plants | Special applications |
It is essential to choose a filter with a MERV rating that is appropriate for your needs. However, higher MERV ratings can also restrict airflow, so if your furnace has a low-powered blower, you may need to select a filter with a lower rating.
Conclusion
Furnace filters play a crucial role in maintaining healthy indoor air quality, and selecting the right filter can have a significant impact on your comfort and health. When choosing a filter, consider your budget, the level of filtration you require, and the size and MERV rating appropriate for your furnace. With the right filter, you can enjoy clean and comfortable air in your home or office.
"Improving indoor air quality can lead to better health outcomes and increased productivity. Investing in a quality furnace filter is a small step towards achieving these benefits."
