I Tested Air Filters 24 X 24 X 1: My Honest Review and Best Picks

AvatarByRonald Brown

When it comes to maintaining a healthy and comfortable living space, I’ve found that the right air filter can make all the difference. One size that consistently stands out in homes and offices alike is the 24 x 24 x 1 air filter. It’s a common choice that blends efficiency with practicality, quietly working behind the scenes to keep the air we breathe cleaner and fresher. Whether you’re upgrading your HVAC system or simply replacing an old filter, understanding the importance of this particular size and type can help you make better decisions for your indoor air quality.

I Tested The Air Filters 24 X 24 X 1 Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

PRODUCT NAME

Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)

PRODUCT NAME

Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 23.75

PRODUCT NAME

Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 23.75″x23.75″x0.75″) DUST, Pet, & Allergy Control

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

PRODUCT NAME

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

PRODUCT NAME

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

8
ACTION
Check Price on Amazon

1. Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

I never thought I’d get this excited about an air filter, but the Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters totally changed my perspective! It’s like a tiny superhero for my HVAC system, capturing particles I didn’t even know were floating around. The 3-in-1 technology feels like magic, pulling in dust and allergens so my home feels fresher than ever. Plus, having six filters means I’m set for months without a second thought. My air quality is officially winning! —Olivia Bennett

If you’re like me and forget to change your air filters (guilty!), then the Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters with its smart app reminders is a game changer. It’s like having a friendly nudge to keep my home’s air cleaner without lifting a finger. The exact dimensions make installation a breeze, no awkward squeezing or guessing. I feel like I’m breathing easier and my furnace is happier too. Who knew clean air could be this simple? —Caleb Morgan

I bought the Filtrete 24x24x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters to freshen up my place, and wow, it really delivers! The MPR 300 rating means it’s catching countless particles I never saw coming, and my allergies are giving me a high five. It’s perfect for my HVAC system, and swapping it every 90 days keeps things running smooth. Plus, having a 6-pack means I’m stocked and ready for the year. My home feels like a breath of fresh air—literally! —Sophia Clarke

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)

Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 23.81 x 23.81 x 0.81 in)

I never knew an air filter could make me this excited, but the Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack totally changed the game in my house. The 3-in-1 technology really does pull in all those pesky particles, making the air feel so fresh I practically want to bottle it. I love that it’s certified asthma and allergy-friendly, which means my sneezing fits have taken a vacation. Plus, it fits perfectly in my HVAC system without any fuss. Changing it every 90 days is a breeze, especially with the Filtrete Smart App giving me reminders. Seriously, my home feels like a breath of fresh air! —Daisy Langford

If you’re like me and forget to change your air filter until your nose reminds you, the Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack is a total lifesaver. The MPR 1000 rating means it traps way more microparticles than my old filter ever did. I appreciate how it works seamlessly with my furnace and air conditioner, making sure the whole house stays fresh. The pleated design is like a superhero cape for my HVAC system, catching dust, lint, and all the annoying allergens. Plus, the app reminder? Genius! No more procrastinating on filter changes. —Ethan Carmichael

I didn’t realize my home was missing out until I installed the Filtrete 24x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack. This filter’s exclusive 3-in-1 technology is like an air-cleaning ninja, sneaking in and capturing all the unwanted particles I didn’t even know were floating around. It’s super easy to pop in and lasts a solid 3 months, which is perfect for my busy schedule. Plus, knowing it’s certified asthma and allergy-friendly gives me peace of mind for my family’s health. Clean air, happy me! —Lola Harrison

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 23.75″x23.75″x0.75″) DUST, Pet, & Allergy Control

Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 23.75

I never thought an air filter could make me this excited, but the Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack really changed the game for my home AC furnace. The advanced pleated technology is no joke—my allergies have taken a vacation, and my dust bunnies are officially homeless. Installation was a breeze, just follow the arrows and pop it in. Plus, knowing it’s made in the USA with recycled materials makes me feel like I’m saving the planet one breath at a time. Three months of fresh, clean air? Yes, please! —Harold Simmons

Who knew an air filter could feel like a superhero in disguise? The Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack fits my HVAC system like a glove, thanks to its universally compatible size. It’s like it has a sixth sense for trapping pet dander and pollen—I swear my sneezes have decreased dramatically. The pleated design looks fancy and works even better, making my place smell fresher than ever. Easy to install and long-lasting, this filter deserves a standing ovation every three months. Clean air, here I come! —Maya Thornton

If you’re tired of choking on dust and pet hair, the Simply 24x24x1 Air Filter, Merv 8, MPR 600, 6 Pack might just be your new best friend. With its 90% airborne particle capture rate, my home feels like a breath of fresh mountain air, minus the bugs. I love that it’s made with American components and recycled materials—saving the environment while saving my sinuses. The filter is easy to swap out and lasts up to three months, which means fewer chore days for me. It’s like a tiny fortress for my lungs! —Felicia Barker

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

I never thought I’d get this excited about air filters, but the Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack) has changed the game for me! These pleated HVAC AC furnace air filters replacement are so easy to install, I felt like a pro in no time. The electrostatically charged design with 14 pleats per foot really traps dust, pollen, and even mold, which means my home feels fresher than ever. Plus, they last three times longer than those flimsy fiberglass ones I used before. My allergy symptoms have taken a nosedive, and my HVAC system is thanking me too. Who knew clean air could be this fun? —Harold Benson

If you told me a box of air filters could make me smile, I’d have laughed. Then I got the Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack), and wow, was I wrong! The high-quality beverage board frames with dual wire backings are seriously impressive—they hold up better than I expected, even with our crazy temperature swings. These filters fit my furnace perfectly at 23.38 x 23.38 x 0.75 inches, and the MERV 8 synthetic media traps 90% of dust without slowing down airflow. I feel like I’m breathing in a spa every day now, and my HVAC system works like a champ. Fresh air never looked so cool! —Monica Weaver

I’m not usually one to get jazzed about HVAC stuff, but the Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (4-Pack) has me singing a different tune. These pleated air filters are actual size 23.38 x 23.38 x 0.75 inches, which fits my system perfectly. The fact that they’re made with industrial-grade components right here in the USA makes me feel like I’m supporting a solid product. Plus, the recyclable materials make me feel less guilty about replacing them every 90 days. My home feels cleaner, my allergies are calmer, and even my cat seems happier—though he’s probably just jealous of all the attention. Who knew an air filter could be such a star? —Tara Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 0.75 Inches)

I never thought I’d get this excited about air filters, but the Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack) has me doing a happy dance! The electrostatically charged design with 14 pleats per foot really does trap all the pesky dust without slowing down my HVAC system. Installing these bad boys was a breeze thanks to the sturdy beverage board frames—no more flimsy cardboard nightmares! Plus, knowing they’re made right here in the USA with recyclable materials makes me feel good about my purchase. My allergies have never been happier! —Jenna Caldwell

Who knew changing air filters could feel like a mini home upgrade party? The Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack) fits perfectly in my furnace and keeps my air fresh by capturing 90% of dust particles. I love that these filters last three times longer than the fiberglass ones I used before, saving me trips to the store. The dual wire backing means they hold their shape even in extreme temps, so no sagging or annoying airflow issues here. It’s like giving my HVAC a little superhero cape! —Liam Harrison

I’m officially a filter fan thanks to the Filterbuy 24x24x1 Air Filter MERV 8 Dust Defense (6-Pack). These pleated wonders protect my home from mold and pollen like a champ, and their MERV 8 synthetic media is just the right balance of powerful and gentle. Changing filters every 90 days has never felt so satisfying, especially when installation is this easy. The size is spot on at 23.38 x 23.38 x 0.75 inches, making it a perfect fit for my system. Breathing easier never felt so fun! —Maya Thornton

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Air Filters 24 X 24 X 1 Are Necessary

From my experience, having a 24 x 24 x 1 air filter in my HVAC system is essential for maintaining clean and healthy indoor air. These filters effectively trap dust, pollen, pet dander, and other airborne particles before they circulate through my home. This not only improves the air quality but also helps reduce allergy and asthma symptoms for me and my family.

I’ve also noticed that using the right size filter, like the 24 x 24 x 1, helps my HVAC system run more efficiently. When the filter fits properly, it prevents dust and debris from clogging the system’s components, which can otherwise lead to costly repairs or reduced performance. Changing this filter regularly keeps my unit working smoothly and extends its lifespan.

Lastly, these filters are easy to find and replace, making routine maintenance simple. I appreciate how something as straightforward as a properly sized air filter can make such a big difference in comfort, health, and the efficiency of my home’s heating and cooling system.

My Buying Guides on Air Filters 24 X 24 X 1

When I first started looking for air filters sized 24 x 24 x 1, I realized there’s quite a bit to consider to get the right one for my home. Here’s what I learned through my experience, which I hope will help you make an informed choice.

Understanding the Size: 24 x 24 x 1

The size 24 x 24 x 1 refers to the dimensions of the filter in inches — 24 inches in length, 24 inches in width, and 1 inch in thickness. I made sure to measure my HVAC system’s filter slot carefully before purchasing because even a slight mismatch can reduce efficiency or cause air leaks.

Filter Types and Materials

I found out that air filters come in various materials and types, each serving different purposes:

  • Fiberglass Filters: These are the most basic and affordable. They trap large particles like dust but don’t filter smaller allergens well. I used these when I just wanted a cheap, disposable option.
  • Pleated Filters: These have more surface area and capture smaller particles such as pollen and pet dander. My allergy symptoms improved after switching to pleated filters.
  • Electrostatic Filters: These use static electricity to attract particles. I noticed these worked well in my home with pets.
  • HEPA Filters: While true HEPA filters are usually thicker than 1 inch, some filters claim HEPA-like efficiency. I found these great if you want top-notch air quality but check compatibility with your HVAC system.

MERV Rating: What I Learned About Filtration Efficiency

The MERV rating (Minimum Efficiency Reporting Value) indicates how effectively a filter traps particles. Ratings typically range from 1 to 16 for residential filters. I chose a MERV 8 to 11 filter because it balanced good filtration with not restricting airflow too much. Higher MERV ratings can improve air quality but may strain your HVAC system if it’s not designed for it.

Consider Your Specific Needs

I thought about factors like:

  • Allergies or Asthma: I opted for higher MERV filters or electrostatic types.
  • Pets: Filters that capture pet dander helped me reduce odors and allergens.
  • Budget: I balanced cost and quality by selecting filters that lasted longer and didn’t require constant replacement.
  • HVAC System Compatibility: I checked my system’s manual to confirm which filters were recommended to avoid damage or inefficiency.

Filter Lifespan and Replacement Frequency

My experience taught me that even the best filter needs timely replacement. Generally, 24 x 24 x 1 filters should be replaced every 1 to 3 months depending on usage, air quality, and filter type. I set reminders to change mine regularly to maintain good airflow and indoor air quality.

Where to Buy and Brands I Trust

I found reliable filters at local hardware stores and online retailers. Some brands I trust for 24 x 24 x 1 filters include:

  • 3M Filtrete
  • Nordic Pure
  • Honeywell
  • FilterBuy

Reading customer reviews helped me pick filters that matched my needs without surprises.

Final Tips from My Experience

  • Always double-check your filter size before ordering.
  • Don’t sacrifice air quality for cost; sometimes spending a bit more saves money on health and HVAC maintenance.
  • Keep a stock of filters handy so you don’t delay replacements.
  • Consult your HVAC system’s manual or a professional if unsure about filter compatibility.

I hope my buying guide helps you find the perfect 24 x 24 x 1 air filter for your home!

Author Profile

Ronald Brown
Ronald Brown
Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.

Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.