HOW WE BECAME AMERICA’S FAVORITE FILTER

At Filterbuy, we care about the air you breathe because we know how important it is to maintain a healthy lifestyle. This is why we work around the clock to assure that you, your family, and your community have access to clean indoor air, free of allergens and pollutants, that enables you to always live free and breathe freely.

Why we make over 600 stock sizes, plus custom sizes:

Before Filterbuy, replacement filters were hard to find. Most HVAC equipment manufacturers designed equipment with irregular filter dimensions so homeowners had to buy filters from the manufacturer at super high prices.

Adding to the problem, there’s never enough shelf space in local stores to stock every possible size, leaving many homeowners to cut fiberglass filters down to size.

At Filterbuy, we have MERV 8, MERV 11, MERV 13, and carbon lined Odor Eliminators in 600 stock sizes so EVERYONE can find what they need.

Our Most Popular Sizes

Our commitment to service:

We set a high bar for customer service, and we’re committed to providing an excellent shopping experience. Here’s how:

Shipping?

From 1 to 100 filters, they all ship free.

Shipping speed?

Always fast, because we have multiple facilities around the country to fulfill and ship your orders within 24 hrs!

Customer service?

Always available 24 hrs a day.

Filter subscriptions

Choose “auto-ship” so filters arrive when it’s time to change them.
We’ll send you a notification before the next delivery just in case you need to pause.

Are You a Subscription
or Yearly Ordering Person?

Take the quiz to find out (and SAVE 10% on your first order).

TAKE THE QUIZ

Not subscribed?

No worries. We’ll send you replacement and reorder reminders at the right moments.

Savings?

Save between 40%-50% per filter when you buy 6 or more.

How we make it all work:

At our heart, Filterbuy is a logistics company. Our competitive prices and fast shipping is made possible by our 4 regional manufacturing facilities - each serving homeowners and business owners in their region. This means, fast fulfillment and fast deliveries since filters don’t travel the country to reach your doorstep.

Best-in-class filters:

We offer premium features that provide an enhanced filtration experience via a pleated, electrostatic design that captures more particles and a reinforced with a wire backing and a strong beverage board frame to withstand extreme temperatures, humidity, and warping.

Our customers are happy. All 1 million of them.

I am so grateful to have found a quality air filter that is just the right size!

Catie F.

I was extremely pleased with the customer service that I received. I had purchased the wrong size filter and you guys went above and beyond in order to get me the right ones. You’ve got a customer for years to come.

Rigoberto M.

Awesome customer service, fast delivery. I will use them whenever I need new filters and will recommend to my friends!

Shirley O.

The price, delivery, and quality were all excellent. I’m happy to no longer buy from the big box stores! The recurring delivery will help me keep my A/C clean.

Craig M.

One of the best customer service experiences I’ve had. Great product and great service.

C. P.

They are fast and efficient, and the filters they provide are top quality. Their customer service is easy to reach. It just does not get any better.

Gary S.

They always get my filters just in time when I need them. Love it!

Maria R.

Very pleased with the product and the timely delivery. Saved money and I don't have to search for my odd size filters anymore!

Robert M.

Very easy and convenient. FilterBuy even had filter sizes for my furnace unit that I couldn’t find anywhere else. Prices are comparable to what I’d pay for the same filter at the store. With free shipping at my own custom interval, this is really unbeatable. I highly recommend for any homeowner.

Jeremy B.

Convenient way to purchase. Delivered on time and great choices with great prices. Definitely will purchase again. Highly recommend!

Pamela S.

What a fantastic and easy way to get the filters you need when you need them!

John M.

Very good filters, great prices and fast delivery.

LaDon J.