Where to get furnace and air conditioner filters – July 2021 edition

Looking to find the best furnace and air conditioner filters ?

We researched 30 furnace and air conditioner filters , tested 24, and we have done 28 hours of research. The best furnace and air conditioner filters doesn’t have to be complicated to be great. Our first pick is exactly that. No more, no less. It also costs less than any other products we tested.

The best

No. 1
FLANDERS SM100S Furnace Air Conditioner Filter
  • Cut-to-fit, washable air filter for furnace or central air

Intro

Find out where you can get the best furnace and air conditioner filters ! Picking among different existing furnace and air conditioner filters is not always that easy. It can even turn into a lengthy task because of the multiplicity of websites offering this type of product. That’s why on this page we’re giving you a comparison based on the best value for money spent. It’s a ranking thoroughly made to provide you with a comprehensive view and allow you to pick the best furnace and air conditioner filters . You will find a broad selection of models, brands, and prices. Whether you want to spare your wallet or find out what will be the best furnace and air conditioner filters for you, we support you through this comparison, which lists the product based on Amazon customer reviews. To make it practical, we have laid it out as a Top 10 of the furnace and air conditioner filters . On your marks! Start comparing! Pick your furnace and air conditioner filters !

Our picks

No. 1
FLANDERS SM100S Furnace Air Conditioner Filter
  • Cut-to-fit, washable air filter for furnace or central air
No. 2
Think Crucial Replacement for 12x30x1 MERV 11 Allergen Air Furnace & Air Conditioner Filter, Pleated (3 Pack)
  • 3 PACKS HIGH QUALITY AIR FILTER that can replace your furnace or air conditioner's filter. Get back to having a clean air to breathe again! This filter is 12" x 30"x 1" inches.
  • HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't clean your air filter that will be exactly what you'll be doing! Replacing your filter will help clean your furnace or air conditioner's air and allow for a healthier lifestyle!
  • SAVE MONEY by using a new air filter! When your furnace or air conditioner has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill!
  • EASY TO INSTALL so you can get back to breathing in clear air as soon as possible! Simply remove your old filter and put this brand new one in it's place!
  • GUARANTEED SATISFACTION because of a 30 day full money back guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!
No. 3
Universal Cut to Fit Carbon Pad Pre Filter Roll for Air Purifiers Furnace Filters and Air Conditioner Filters
  • Universal activated carbon pre filter can be cut to fit any size filter. A thin 1/16 inch thickness works great
  • Can be cut to size for air purifiers, range hood filters, humidifier filter, vents, grease filter and furnace filter. 16x48 charcoal sheet
  • Can be used with Honeywell, Whirlpool, HEPA, Next Gen and any other air purifier. Fits Honeywell hrf-ap1, Honeywell Round, QuietCare & SilentComfort Series air purifiers; 50000 series, 17000 series, 18150 series, 40100 series, 40200 series & HPA100, HPA200, HPA300 series consoles. winix 5500
  • Pre filter carbon helps reduce household odors and capture big particle such as hair, dust, etc. Protects the HEPA filter and extends its life span
  • It fits Honeywell model: HPA020 series, HPA030 series, HA090 series, HPA090 series, HA100 series, HPA100 series, HPA200 series, HPA250 series, HA300 series, HPA300 series, HPA3100 series, HPA5100-HPA5300 series, 10500 series, 10590 series, 11150 series, 12500 series, 13300 series, 13503, 13520 series, 13530 series, 14500 series, 17000 series, 18100 series, Also fits 40000 series, 50100 series, 50150 series, 50200 series, 50250 series, 50255 , 50300 60500 61000 , 62000 63000

Why you should trust us

This guide represents more than 10 years of experience in researching, testing, and writing about many subject. Our people are experts in all of their fields.
We alors spent 28 hours reading any article we could find on the internet and all the customer reviews at various retailer sites such as those of Amazon, Home Depot or Wallmart. We found many website that was a valuable resource with involved buying guides and detailed furnace and air conditioner filters information.
As for me, I’m very familiar with the furnace and air conditioner filters since I got it from 4 years.

Top 10

No. 1
FLANDERS SM100S Furnace Air Conditioner Filter
  • Cut-to-fit, washable air filter for furnace or central air
No. 2
Think Crucial Replacement for 12x30x1 MERV 11 Allergen Air Furnace & Air Conditioner Filter, Pleated (3 Pack)
  • 3 PACKS HIGH QUALITY AIR FILTER that can replace your furnace or air conditioner's filter. Get back to having a clean air to breathe again! This filter is 12" x 30"x 1" inches.
  • HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't clean your air filter that will be exactly what you'll be doing! Replacing your filter will help clean your furnace or air conditioner's air and allow for a healthier lifestyle!
  • SAVE MONEY by using a new air filter! When your furnace or air conditioner has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill!
  • EASY TO INSTALL so you can get back to breathing in clear air as soon as possible! Simply remove your old filter and put this brand new one in it's place!
  • GUARANTEED SATISFACTION because of a 30 day full money back guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!
No. 3
Universal Cut to Fit Carbon Pad Pre Filter Roll for Air Purifiers Furnace Filters and Air Conditioner Filters
  • Universal activated carbon pre filter can be cut to fit any size filter. A thin 1/16 inch thickness works great
  • Can be cut to size for air purifiers, range hood filters, humidifier filter, vents, grease filter and furnace filter. 16x48 charcoal sheet
  • Can be used with Honeywell, Whirlpool, HEPA, Next Gen and any other air purifier. Fits Honeywell hrf-ap1, Honeywell Round, QuietCare & SilentComfort Series air purifiers; 50000 series, 17000 series, 18150 series, 40100 series, 40200 series & HPA100, HPA200, HPA300 series consoles. winix 5500
  • Pre filter carbon helps reduce household odors and capture big particle such as hair, dust, etc. Protects the HEPA filter and extends its life span
  • It fits Honeywell model: HPA020 series, HPA030 series, HA090 series, HPA090 series, HA100 series, HPA100 series, HPA200 series, HPA250 series, HA300 series, HPA300 series, HPA3100 series, HPA5100-HPA5300 series, 10500 series, 10590 series, 11150 series, 12500 series, 13300 series, 13503, 13520 series, 13530 series, 14500 series, 17000 series, 18100 series, Also fits 40000 series, 50100 series, 50150 series, 50200 series, 50250 series, 50255 , 50300 60500 61000 , 62000 63000
No. 4
Cut to Fit Carbon Pad Pre Filter Roll for Air Purifiers Furnace Filters Trash Cans and Air Conditioner Filters (1)
  • Universal activated carbon pre filter can be cut to fit any size filter. A thin 1/16 inch thickness odor absorber.
  • Removes Dust Lint Smoke Pet hair Common household chemicals Benzene and other VOCs so all you’re left with is fresh, breathable air
  • Can be cut to size for air purifiers, range hood filters, humidifier filter, vents, vent filter, grease filter and furnace filter. 16x48 charcoal sheet
  • Can be used with Honeywell, Whirlpool, HEPA, Next Gen and any other air purifier. Fits Honeywell hrf-ap1, Honeywell Round, QuietCare & SilentComfort Series air purifiers; 50000 series, 17000 series, 18150 series, 40100 series, 40200 series & HPA100, HPA200, HPA300 series consoles. winix 5500
No. 5
Filtrete 12x12x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 11.81 x 11.81 x 0.81)
  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrete 300 MPR (Microparticle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!
  • Packaging and filter media may vary for MPR 300
No. 6
Honeywell FC100A1029 16 x 25 x 4 Media Air Filter (MERV 11)
  • Recommended replacement: every 6 to 12 months
No. 7
Filtrete 14x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 13.81 x 24.81 x 0.81)
  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrete 300 MPR (Microparticle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!
  • Packaging and filter media may vary for MPR 300
No. 8
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 4-Pack (exact dimensions 15.69 x 24.69 x 0.81)
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you!
  • FOR RESIDENTIAL use only
  • CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
No. 9
Filtrete 14x14x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 13.81 x 13.81 x 0.81)
  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrete 300 MPR (Microparticle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!
  • Packaging and filter media may vary for MPR 300
No. 10
Filtrete 18x18x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 17.81 x 17.81 x 0.81)
  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrete 300 MPR (Microparticle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program that works for you!
  • Packaging and filter media may vary for MPR 300

How we tested

We search all the field to find the best furnace and air conditioner filters and all the type for it and get the best alternatives, priced decently, and easy to use. After that we tested all the main parameters we use : These things can separate the great furnace and air conditioner filters from the good.

  • Easy To use
  • Options
  • Quality
  • Longevity

How we picked

We search for all the field to find the best furnace and air conditioner filters and all the type for it and get the best alternatives, priced decently, and easy to use.
The main parameters we use : These things can separate the bad furnace and air conditioner filters from the good.

  • Price
  • Easy To use
  • Customer reviews
  • Quality
  • Longevity
  • Dimensions

Current Offers

SaleNo. 1
Filtrete 20x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 24.69 x 0.81)
  • Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 inches air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrate Brand 3 in 1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrate 300 MPR (Micro particle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
  • For residential use only
  • The higher the MPR, the more micro particles such as pollen, pet dander, smoke, bacteria and viruses your filter will capture from the air passing through it
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool wasting energy; Sign up for a filter change reminder program that works for you
  • Packaging and filter media may vary for MPR 300
SaleNo. 2
Filtrete 16x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 15.719 x 19.719 x 0.84)
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
  • FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
  • FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program that works for you!
  • FOR RESIDENTIAL use only
  • CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter

Conclusion

We hope this ranking has been helpful to you in picking the furnace and air conditioner filters that best suits you. We made it thoroughly and we will update it just as seriously, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, and get an overview of the current market offers. We are here to make it easier for you and to help you make a free and informed choice. If our ranking gave you a clearer view on the diversity of the furnace and air conditioner filters , feel free to let us know in the comments section. We will happily read them.

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Last update on 2021-07-10 at 09:54 / Affiliate links / Images from Amazon Product Advertising API

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