What Size Air Filter Do I Need

What are the Most Common Filter Sizes?

What are the most mutual HVAC filter, furnace filter, and ac filter sizes? Standard air filter sizes typically range from 1 inch to 6 inches in depth, as far equally the length and width you can discover the associated air filter sizes beneath sorted according to the depth. Complete listing of the most common air filters:

ane" Air Filters: 10x30x1, 12x12x1, 12x20x1, 12x24x1, 12x30x1, 14x14x1, 14x18x1, 14x20x1, 14x24x1, 14x25x1, 14x30x1, 15x20x1, 16x16x1, 16x20x1, 16x24x1, 16x25x1, 16x30x1, 18x18x1, 18x20x1, 18x24x1, 18x30x1, 20x20x1, 20x22x1, 20x23x1, 20x24x1, 20x25x1, 20x30x1, 24x24x1, 24x30x1, 25x25x1

ii" Air Filters: 16x25x2, 20x20x2, 20x25x2

3" Air Filters: 16x25x3

4" Air Filters: 16x20x4, 16x25x4, 20x20x4, 20x25x4

v" Air Filters: 16x25x5, 20x25x5

6" Air Filters: 20x25x6

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Air Filter Sizes for Your Home Tin can Exist Frustrating

Measuring for an Air Filter Size | Standard Air Filter Size Image

Yous've inverse your air filter earlier (we promise), just practice you remember what size you used? Since you probably only modify information technology every 30-90 days (or maybe longer), you probably have to check the size every time it's time to supersede information technology.

Of class, this sounds piece of cake when yous hear the term "standard air filter size"; you might think that if your air filter is standard, it will be easy to notice when yous get to the shop. Unfortunately, that's not the case – there are about 20 "standard sizes" for air filters, and none accept the same measurements.

Why is getting a correctly sized air filter then important? Because incorrectly sized (and incorrectly installed) air filters cause air seepage and subtract filter effectiveness. Even worse, incorrectly sized air filters can place undue stress on your HVAC arrangement, damaging it and increasing your free energy bills.

Then how do you notice the right air filter?

How To Measure Air Filters? Don't forget to Mensurate!

Follow these three easy steps to accurately measure out your air filter size:

i. Measure the Length

2. Mensurate the Width

three. Measure the Depth

= L ten West ten D

Sometimes, the size is written on the air filter, in which case yous can only head to the store or shop hither and go the 1 that's the same size.

If it's not, the all-time way to make up one's mind the size you demand is to measure the filter that'due south already in there – bold it'south the right size. If it has crushed corners or is bent, information technology was probable as well large and you lot should get down a size.

Standard Air Filter Sizes May Vary Slightly

Air filters aren't meant to exist snug. In fact, if y'all take to strength an air filter in or out, it's the wrong size, which is why standard sizes are often half an inch smaller than they're advertised. This can be disruptive because if you lot demand a 16 ten 25 filter, you'll find it measures 15 1/two 10 24 1/2.

JUST Recollect: ROUND Upwardly to the next WHOLE NUMBER to detect the Right AIR FILTER SIZE

Take the Easy Road & Club Your Correct Air Filter Sizes With United states

OR you could try FilterTime. We offer 4 filter types (4 MERV ratings, which is another blog) and approximately 50 "standard" sizes for each blazon, plus custom sizes – and you don't have to leave your house! Choose your air filter, choose a commitment schedule, and sit back and wait for your filters to arrive at your door with our filter subscription service.

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to learn how to get the air filters y'all need when y'all need them.