What Size Filter For My Furnace

All of these ac filter sizes can be found in the air filter size chart.

What size filter for my furnace. Furnace filters come in a range of sizes and different brands and types of furnaces use different filters. What size filter does my furnace use. What size filter does the xb90 trane furnace take. One thing you ll want to be aware of is that the actual size of your filter will vary slightly from what s printed on it sometimes by as much as a half an inch smaller for each dimension.

The numbers are the width the length and the thickness measured in inches. See the chart below. First you need to take a look at the furnace and figure out if it is an upflow furnace or a horizontal furnace. Finding the right furnace filters for the xb90 is a bit complicated but we ll walk you through it.

Consult the documentation or the owner s manual that came with. The chart is a furnace filter size finder just click on the filter sizes and you will see purchase options. This type is probably the most common. The filter you need depends on both the configuration of your furnace and the width of your furnace s cabinet.

Furnace filters come in a lot of shapes and sizes. Determining the furnace filter size is the first step in purchasing a new filter. The numbers are printed on the sides of the filters so it s easy to choose the proper size. Filters are measured by nominal size which is a rounded number that varies by brand so many filters have the part number for each brand they are compatible with listed.

The most common furnace filter sizes are 10 x 20 14 x 20 16 x 24 18 x 30 12 x 12 14 x 24 16 x 25 20 x 20 12 x 20 14 x 25 18 x 18 20 x 24 12 x 24 14 x 30 18 x 20 20 x 25 12 x 30 15 x 20 18 x 24 20 x 30 12 x 36 16 x 20 18 x 25 4 x 24 and 25 x 25 and these sizes. Click on 16x20x1 air filter to see merv 8 filters merv 11 filters and merv 13 filters available in the ac filter sizes. The quickest way to find the size of your filter is to get it off of the old one. Furnace filters are available in many different sizes such as 16x20x1.

There are a few places your filter could be located. What size filter does my lennox furnace take. For example your filter might read 16 x20 x1 but if you measured with a ruler it might be something like 15 1 2 x19 3 4 x3 4. You can find the lennox part number or the lennox furnace filter size on the side of the lennox furnace filter.

The size of your filter will be located on the side of the door on your filter cabinet. The most typical sizes for a furnace filter are 16 x 20 20 x 25 and 16 x 25 however many other sizes are available for purchase on our site.