How do I know what size air filter for my furnace?

How do I know what size air filter for my furnace?

Follow these 3 easy steps:

  1. Follow these 3 easy steps:
  2. Step 1 – Measuring Length and Width (L x W).
  3. Step 2 – Measure the thickness of your filter from front to back.
  4. Step 3 – Put Your Measurements Together (L x W x D).
  5. It’s as simple as that – You are now ready to buy the right filter for your AC or Furnace.

What are the different sizes of furnace filters?

While there are no standard furnace filter sizes that will fit all models, the most common filter dimensions include:

  • 10 X 20.
  • 14 X 20.
  • 16 X 24.
  • 18 X 30.
  • 12 X 12.
  • 14 X 24.
  • 16 X 25.
  • 20 X 20.

Do furnace filters have to be exact size?

Your filter or HVAC unit should have both the nominal and the actual size written on it. If you can’t find the actual size, it’s a good idea to measure it just in case. Our website categorizes filters by the nominal size, making it easier to navigate and find your filter.

Does my HVAC have 2 filters?

Typically, a house will have 2 air filters in their intake vents. In some cases, there can be more or fewer depending on the square footage of the home or apartment and the number of floors that need to be supported by the central air system.

What is the most common size furnace filter?

10×20
Currently, the most common size furnace filters are 10×20. But should your system need custom sized air filters, note that we offer custom sizing ranging from 8 x 24 x 1 to 25 x 30 x 1.

Are air filters true to size?

Actual Dimensions The actual dimension of an air filter is its exact size. Generally, actual dimensions are smaller numbers than nominal measurements. A 16 x 25 x 1 nominal measurement may have the actual dimensions of 15 1/2 x 24 1/2 x 3/4.

What is the most common air filter size?

The smallest common furnace filter size is 10 inches by 20 inches, according to the Nordic Pure website. This means that the furnace opening and the filter frame at the blower, which moves air through the ductwork, measure 10 inches by 20 inches.

What is the most common filter size?

The most common standard filter sizes for circular filters include 30.5 mm, 37 mm, 40.5 mm, 43 mm, 46 mm, 49 mm, 52 mm, 55 mm, 58 mm, 62 mm, 67 mm, 72 mm, 77 mm, 82 mm, 86 mm, 95 mm, 112 mm and 127 mm.

What is the best HVAC filter?

Top 10 Best HVAC Air Filters for Home in 2019 Reviews 10. Flanders PrecisionAire 84857.011418 NaturalAire Odor Eliminator Air Filter 9. Electrostatic Air Filter Replacement 8. Aprilaire 210 Air Filter for Air Purifier Models 7. E-Z Flow Heavy Duty Air Filter, MERV 6. True Blue Allergen 12x36x1 Air Filter, MERV