Best AC Furnace Air Filter for Pets

We all love our furry companions but managing their shedding cycles and dealing with various pet odors can be challenging. One virtually maintenance-free way of minimizing the pet hair and odors that come from cats and dogs is using high-quality air filters. While most people don’t pay attention to their furnace unless something goes wrong with it, changing out the furnace air filter is one step to eliminating pet dander, pet hair, and any odors. 

Today we will be highlighting a few of the best AC furnace air filters for pets.

Best AC Furnace Filter for Pets Comparison


  • 25x More Effective  
  • Reduces Pet Hair
  • Reduces Allergens
  • Reduces Odor


  • Helps with Allergies
  • Comes in Pack of 4
  • Lasts up to 3 Months
  • MERV 11 Rated Filters


  • MERV 14 Rated Filters
  • Captures Bacteria and Viruses
  • 81% Small Particle Capture
  • Great Performance

Best HVAC Furnace Filter for Pets Reviews

The Filtrate furnace filters features a MERV (minimum efficiency reporting value) 11 filtration factor. They have a factor 1200 MPR which estimates the amount of micro particles that can be effectively filtered out. 

There are nearly a dozen sizes to choose from, all of which are 1″ thick: 14 x 20, 14 x 24, 14 x 25, 14 x 30, 16 x 20, 16 x 25, 18 x 24, 20 x 20, 20 x 25, 20 x 30. They come in either 2-pack, 4-pack, or 6-pack, with the 6-pack offering the best savings.

This model of Filtrate furnace filters are 25 times more effective than standard home air filters, and outperform fiberglass, washable, and non-electrostatic filters. The active carbon layer works as an odor eliminator for a variety of smells, from pet odors and smoke, to cooking, cleaning products, and mildew. 

These filters have a life span of 3 months and are easy to install. Using technology from 3M, they capture unwanted air particles as it flows through the filter, while letting cleaner air flow out. 


  • Effective for reducing the amount of pet hair and dander in your home
  • Attracts and captures lint, pollen, dust, and smoke
  • They can reduce symptoms caused by allergies
  • Comes in many sizes and multiple quantity options


  • Certain online marketplaces have counterfeits, make sure to buy from a reputable source
  • Does not trap bacteria and viruses or other micro-particles

Test Results

After installing the Filtrete filters, we noticed a change in air quality within an hour. The musky smell of the basement apartment that we installed them in was gone, as was the lingering smell of smoke from the previous tenants. It was easy to see how this improve your quality of life, especially if you had pets. After 2 days there was a noticeable difference between being outside and coming into the apartment. Breathing was easier, the air felt cleaner, and living in an area with high pollen counts, it’s easy to see how this filter could help with seasonal allergies as well. 

Coming from the reputable Arm & Hammer, there is an inherent trust that follows their product line and this odor eliminating filter is no exception. 

Arm & Hammer fuses their world-famous, odor eliminating baking soda into every filter, combing that with carbon granules and a proprietary odor reducing ingredient. The results are an electrostatic filter that draws fine particles like pet dander and pet hair, to them. 

Pleated for a wide surface area and enhanced ability to capture micro particles, these filters have a MERV 11 rating which makes them good for trapping dust mites, mold spores, pollen and volatile organic compounds.

These filters come in many sizes, all of which are 1″ thick. They range from 10 x 20, to 24 x 24.


  • Comes with 4 filters
  • Available in a variety of sizes and are easy to install
  • Visibly cleans the air in your home
  • Captures pollen, dust, pet dander, mold spores, and microscopic allergens
  • Eliminates the smell from smoke and pets


  • The cardboard that makes up the filter framing may be too weak for stronger furnaces

Test Results

 The Arm & Hammer Max Allergen and Odor Air Filter for Pets works well at reducing the smell from smoke, pollution, and pets, while cleaning the air of hair and dander. Our pet allergies were greatly reduced 30 minutes after filter installation, and completely eliminated within an hour and a half. With 4 filters per pack, one purchase will last you a year. 

The Filtrete Healthy Living filters feature a pleated, electrostatic design that draws and holds many fine and ultrafine particles. With a rating of MERV 14, these are the highest performing filters in our list. 

The Filtrete Healthy Living Filter is so well constructed that it can filter out pollutants like pet dander, lint and pollen, as well as exhaust particles, bacteria, and viruses. The filters will attract and capture cough and sneeze particles, which makes them perfect for use during flu season, to help minimize the unwanted spread of germs.

Since these filters can eliminate small and micro particles, they are a great choice for homes that have people with severe allergy sensitivities and multiple pets.

These filters work exceptionally well at keeping outdoor contaminants out of the home, and will play a big role in managing the air quality indoors. They have an 81% small particle capture rate, based on ASHRAE 52.2 which tests for .0 to 1 micron particles. 

The Filtrete Healthy Living filters come in a wide range of sizes, all of which are 1″ thick: 14 x 20, 14 x 25, 16 x 20, 16 x 25, 20 x 20, 20 x 25, and 20 x 30. They come in a 2-pack, with the option to buy a bundle pack, which is two sets of different MERV rated filters (2 MERV 13 filters and 2 MERV 14 filters, for instance). 


  • Highly effective, with a MERV 14 rating
  • Best choice to reduce pet allergies and keep bacteria and viruses at bay
  • Great for reducing airborne mold and mildew 
  • Certified asthma and allergy friendly


  • Can be more expensive than other filters
  • Because of their fine mesh quality, they may need to be changed more often than standard filters to achieve desired results
Test Results
It was easy to see why these are one of the top rated filters on the market. The reduction in air contaminants was quick and severe, with a visible reduction within 30 minutes. We went from seeing dancing dust particles in the sunbeams, to a clean room very quickly. Tested during allergy season while all the trees and flowers were in bloom, the reduction in seasonal allergies was immediate. After 1 week of use, the different between indoor and outdoor air quality was significant. 

Benefits of HVAC Furnace Air Filters for Pets

Using a furnace filter is not only about your health and convenience; it helps your pet too. Having a furnace filter installed is almost like having an air purifier running at all times in your home – only, it doesn’t cost you anything extra in electricity bills.

  1. Keeps your home cleaner
  2. Eliminates pet odors effectively
  3. Makes the air you and your pets breathe healthier
  4. Requires very little maintenance

What to Look for in an HVAC Filter for Pets

When it comes to shopping for a furnace air filter for pets, you are going to want to opt for a product that has a MERV rating of at least 11. This will ensure that larger particles like pet hair and pet dander are trapped and that some smaller particles that could cause pet allergies and other irritations are at least minimized.

Frequently Asked Questions

What type of filter is best for HVAC?

For residential HVAC systems, Filtrete makes some of the most reliable and HVAC safe products on the market.

Do Higher MERV filters restrict air flow?

The higher the MERV rating, the more particles are caught. This means your filter may get dirtier quicker which could restrict airflow.

Do pleated air filters restrict airflow?

They can if they get too dirty too quickly or if they are not changed at proper intervals.

Last Words

You don’t have to break your back and spend your precious weekend hours cleaning pet hair off of every surface in your house. Let a quality furnace AC air filter like the ones listed above do most of the work for you. Remember that if you are more/also concerned about pet odors, you should opt for a filter with an activated carbon layer. But any of the filters mentioned above will help you and your pets live a healthier, more comfortable life.

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